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CERTFR-2022-AVI-323
Vulnerability from certfr_avis
De multiples vulnérabilités ont été découvertes dans le noyau Linux d'Ubuntu. Certaines d'entre elles permettent à un attaquant de provoquer une exécution de code arbitraire, un déni de service et une atteinte à l'intégrité des données.
Solution
Se référer au bulletin de sécurité de l'éditeur pour l'obtention des correctifs (cf. section Documentation).
NoneReferences
Title | Publication Time | Tags | |||
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{ "$ref": "https://www.cert.ssi.gouv.fr/openapi.json", "affected_systems": [ { "description": "Ubuntu 20.04 LTS", "product": { "name": "Ubuntu", "vendor": { "name": "Ubuntu", "scada": false } } } ], "affected_systems_content": null, "content": "## Solution\n\nSe r\u00e9f\u00e9rer au bulletin de s\u00e9curit\u00e9 de l\u0027\u00e9diteur pour l\u0027obtention des\ncorrectifs (cf. section Documentation).\n", "cves": [ { "name": "CVE-2021-45095", "url": "https://www.cve.org/CVERecord?id=CVE-2021-45095" }, { "name": "CVE-2022-27666", "url": "https://www.cve.org/CVERecord?id=CVE-2022-27666" }, { "name": "CVE-2021-28711", "url": "https://www.cve.org/CVERecord?id=CVE-2021-28711" }, { "name": "CVE-2021-43975", "url": "https://www.cve.org/CVERecord?id=CVE-2021-43975" }, { "name": "CVE-2021-4135", "url": "https://www.cve.org/CVERecord?id=CVE-2021-4135" }, { "name": "CVE-2021-28713", "url": "https://www.cve.org/CVERecord?id=CVE-2021-28713" }, { "name": "CVE-2021-45402", "url": "https://www.cve.org/CVERecord?id=CVE-2021-45402" }, { "name": "CVE-2022-0264", "url": "https://www.cve.org/CVERecord?id=CVE-2022-0264" }, { "name": "CVE-2021-44733", "url": "https://www.cve.org/CVERecord?id=CVE-2021-44733" }, { "name": "CVE-2021-28712", "url": "https://www.cve.org/CVERecord?id=CVE-2021-28712" }, { "name": "CVE-2022-0516", "url": "https://www.cve.org/CVERecord?id=CVE-2022-0516" }, { "name": "CVE-2021-45480", "url": "https://www.cve.org/CVERecord?id=CVE-2021-45480" }, { "name": "CVE-2022-0492", "url": "https://www.cve.org/CVERecord?id=CVE-2022-0492" }, { "name": "CVE-2021-39685", "url": "https://www.cve.org/CVERecord?id=CVE-2021-39685" }, { "name": "CVE-2022-1055", "url": "https://www.cve.org/CVERecord?id=CVE-2022-1055" }, { "name": "CVE-2022-0435", "url": "https://www.cve.org/CVERecord?id=CVE-2022-0435" }, { "name": "CVE-2021-39698", "url": "https://www.cve.org/CVERecord?id=CVE-2021-39698" }, { "name": "CVE-2022-0382", "url": "https://www.cve.org/CVERecord?id=CVE-2022-0382" }, { "name": "CVE-2021-28714", "url": "https://www.cve.org/CVERecord?id=CVE-2021-28714" }, { "name": "CVE-2021-28715", "url": "https://www.cve.org/CVERecord?id=CVE-2021-28715" }, { "name": "CVE-2021-4197", "url": "https://www.cve.org/CVERecord?id=CVE-2021-4197" }, { "name": "CVE-2022-23222", "url": "https://www.cve.org/CVERecord?id=CVE-2022-23222" }, { "name": "CVE-2022-0742", "url": "https://www.cve.org/CVERecord?id=CVE-2022-0742" } ], "initial_release_date": "2022-04-08T00:00:00", "last_revision_date": "2022-04-08T00:00:00", "links": [], "reference": "CERTFR-2022-AVI-323", "revisions": [ { "description": "Version initiale", "revision_date": "2022-04-08T00:00:00.000000" } ], "risks": [ { "description": "Atteinte \u00e0 l\u0027int\u00e9grit\u00e9 des donn\u00e9es" }, { "description": "Ex\u00e9cution de code arbitraire" }, { "description": "D\u00e9ni de service" }, { "description": "Atteinte \u00e0 la confidentialit\u00e9 des donn\u00e9es" }, { "description": "\u00c9l\u00e9vation de privil\u00e8ges" } ], "summary": "De multiples vuln\u00e9rabilit\u00e9s ont \u00e9t\u00e9 d\u00e9couvertes dans le noyau Linux\nd\u0027Ubuntu. Certaines d\u0027entre elles permettent \u00e0 un attaquant de provoquer\nune ex\u00e9cution de code arbitraire, un d\u00e9ni de service et une atteinte \u00e0\nl\u0027int\u00e9grit\u00e9 des donn\u00e9es.\n", "title": "Multiples vuln\u00e9rabilit\u00e9s dans le noyau Linux d\u0027Ubuntu", "vendor_advisories": [ { "published_at": null, "title": "Bulletin de s\u00e9curit\u00e9 Ubuntu USN-5368-1 du 06 avril 2022", "url": "https://ubuntu.com/security/notices/USN-5368-1" } ] }
CVE-2021-45480 (GCVE-0-2021-45480)
Vulnerability from cvelistv5
Published
2021-12-24 22:55
Modified
2024-08-04 04:39
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- n/a
Summary
An issue was discovered in the Linux kernel before 5.15.11. There is a memory leak in the __rds_conn_create() function in net/rds/connection.c in a certain combination of circumstances.
References
URL | Tags | ||||||||||||||||
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CVE-2022-27666 (GCVE-0-2022-27666)
Vulnerability from cvelistv5
Published
2022-03-23 05:07
Modified
2024-08-03 05:32
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- n/a
Summary
A heap buffer overflow flaw was found in IPsec ESP transformation code in net/ipv4/esp4.c and net/ipv6/esp6.c. This flaw allows a local attacker with a normal user privilege to overwrite kernel heap objects and may cause a local privilege escalation threat.
References
URL | Tags | ||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
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CVE-2021-4135 (GCVE-0-2021-4135)
Vulnerability from cvelistv5
Published
2022-07-14 19:30
Modified
2024-08-03 17:16
Severity ?
VLAI Severity ?
EPSS score ?
CWE
Summary
A memory leak vulnerability was found in the Linux kernel's eBPF for the Simulated networking device driver in the way user uses BPF for the device such that function nsim_map_alloc_elem being called. A local user could use this flaw to get unauthorized access to some data.
References
URL | Tags | |
---|---|---|
Impacted products
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CVE-2022-0435 (GCVE-0-2022-0435)
Vulnerability from cvelistv5
Published
2022-03-25 00:00
Modified
2024-08-02 23:25
Severity ?
VLAI Severity ?
EPSS score ?
CWE
Summary
A stack overflow flaw was found in the Linux kernel's TIPC protocol functionality in the way a user sends a packet with malicious content where the number of domain member nodes is higher than the 64 allowed. This flaw allows a remote user to crash the system or possibly escalate their privileges if they have access to the TIPC network.
References
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CVE-2021-39698 (GCVE-0-2021-39698)
Vulnerability from cvelistv5
Published
2022-03-16 14:04
Modified
2024-08-04 02:13
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- Elevation of privilege
Summary
In aio_poll_complete_work of aio.c, there is a possible memory corruption due to a use after free. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android kernelAndroid ID: A-185125206References: Upstream kernel
References
URL | Tags | ||||
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CVE-2021-43975 (GCVE-0-2021-43975)
Vulnerability from cvelistv5
Published
2021-11-17 16:32
Modified
2024-08-04 04:10
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- n/a
Summary
In the Linux kernel through 5.15.2, hw_atl_utils_fw_rpc_wait in drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_utils.c allows an attacker (who can introduce a crafted device) to trigger an out-of-bounds write via a crafted length value.
References
URL | Tags | ||||||||||||||||||||||
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|
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"FEDORA-2021-eab8c5a263", "refsource": "FEDORA", "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/X24M7KDC4OJOZNS3RDSYC7ELNELOLQ2N/" }, { "name": "FEDORA-2021-c09b851eb0", "refsource": "FEDORA", "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/YODMYMGZYDXQKGJGX7TJG4XV4L5YLLBD/" }, { "name": "https://security.netapp.com/advisory/ntap-20211210-0001/", "refsource": "CONFIRM", "url": "https://security.netapp.com/advisory/ntap-20211210-0001/" }, { "name": "[debian-lts-announce] 20220309 [SECURITY] [DLA 2941-1] linux-4.19 security update", "refsource": "MLIST", "url": "https://lists.debian.org/debian-lts-announce/2022/03/msg00012.html" }, { "name": "DSA-5096", "refsource": "DEBIAN", "url": "https://www.debian.org/security/2022/dsa-5096" } ] } } } }, "cveMetadata": { "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "assignerShortName": "mitre", "cveId": "CVE-2021-43975", 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CVE-2021-28711 (GCVE-0-2021-28711)
Vulnerability from cvelistv5
Published
2022-01-05 16:10
Modified
2024-08-03 21:47
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- unknown
Summary
Rogue backends can cause DoS of guests via high frequency events T[his CNA information record relates to multiple CVEs; the text explains which aspects/vulnerabilities correspond to which CVE.] Xen offers the ability to run PV backends in regular unprivileged guests, typically referred to as "driver domains". Running PV backends in driver domains has one primary security advantage: if a driver domain gets compromised, it doesn't have the privileges to take over the system. However, a malicious driver domain could try to attack other guests via sending events at a high frequency leading to a Denial of Service in the guest due to trying to service interrupts for elongated amounts of time. There are three affected backends: * blkfront patch 1, CVE-2021-28711 * netfront patch 2, CVE-2021-28712 * hvc_xen (console) patch 3, CVE-2021-28713
References
URL | Tags | ||||||||||||||||
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|
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The\nvulnerability is not affecting the host, but the guests." } ] } } }, "credit": { "credit_data": { "description": { "description_data": [ { "lang": "eng", "value": "This issue was discovered by J\u00fcrgen Gro\u00df of SUSE." } ] } } }, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": { "description_data": [ { "lang": "eng", "value": "Rogue backends can cause DoS of guests via high frequency events T[his CNA information record relates to multiple CVEs; the text explains which aspects/vulnerabilities correspond to which CVE.] Xen offers the ability to run PV backends in regular unprivileged guests, typically referred to as \"driver domains\". Running PV backends in driver domains has one primary security advantage: if a driver domain gets compromised, it doesn\u0027t have the privileges to take over the system. 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CVE-2022-0742 (GCVE-0-2022-0742)
Vulnerability from cvelistv5
Published
2022-03-18 11:20
Modified
2025-04-21 13:55
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-275 - Permission Issues
Summary
Memory leak in icmp6 implementation in Linux Kernel 5.13+ allows a remote attacker to DoS a host by making it go out-of-memory via icmp6 packets of type 130 or 131. We recommend upgrading past commit 2d3916f3189172d5c69d33065c3c21119fe539fc.
References
URL | Tags | |
---|---|---|
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CVE-2021-39685 (GCVE-0-2021-39685)
Vulnerability from cvelistv5
Published
2022-03-16 14:04
Modified
2024-08-04 02:13
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- Elevation of privilege
Summary
In various setup methods of the USB gadget subsystem, there is a possible out of bounds write due to an incorrect flag check. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android kernelAndroid ID: A-210292376References: Upstream kernel
References
URL | Tags | ||||
---|---|---|---|---|---|
|
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CVE-2021-4197 (GCVE-0-2021-4197)
Vulnerability from cvelistv5
Published
2022-03-23 19:46
Modified
2024-08-03 17:16
Severity ?
VLAI Severity ?
EPSS score ?
CWE
Summary
An unprivileged write to the file handler flaw in the Linux kernel's control groups and namespaces subsystem was found in the way users have access to some less privileged process that are controlled by cgroups and have higher privileged parent process. It is actually both for cgroup2 and cgroup1 versions of control groups. A local user could use this flaw to crash the system or escalate their privileges on the system.
References
URL | Tags | |||||||||||||||||||
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|
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CVE-2021-28715 (GCVE-0-2021-28715)
Vulnerability from cvelistv5
Published
2022-01-06 17:06
Modified
2025-05-22 18:34
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- unknown
Summary
Guest can force Linux netback driver to hog large amounts of kernel memory T[his CNA information record relates to multiple CVEs; the text explains which aspects/vulnerabilities correspond to which CVE.] Incoming data packets for a guest in the Linux kernel's netback driver are buffered until the guest is ready to process them. There are some measures taken for avoiding to pile up too much data, but those can be bypassed by the guest: There is a timeout how long the client side of an interface can stop consuming new packets before it is assumed to have stalled, but this timeout is rather long (60 seconds by default). Using a UDP connection on a fast interface can easily accumulate gigabytes of data in that time. (CVE-2021-28715) The timeout could even never trigger if the guest manages to have only one free slot in its RX queue ring page and the next package would require more than one free slot, which may be the case when using GSO, XDP, or software hashing. (CVE-2021-28714)
References
URL | Tags | ||||||||||||||||
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|
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(CVE-2021-28714)" } ], "metrics": [ { "other": { "content": { "description": { "description_data": [ { "lang": "eng", "value": "The Linux kernel\u0027s xen-netback backend driver can be forced by guests\nto queue arbitrary amounts of network data, finally causing an out of\nmemory situation in the domain the backend is running in (usually dom0)." } ] } }, "type": "unknown" } } ], "problemTypes": [ { "descriptions": [ { "description": "unknown", "lang": "en", "type": "text" } ] } ], "providerMetadata": { "dateUpdated": "2022-03-10T02:07:03.000Z", "orgId": "23aa2041-22e1-471f-9209-9b7396fa234f", "shortName": "XEN" }, "references": [ { "tags": [ "x_refsource_MISC" ], "url": "https://xenbits.xenproject.org/xsa/advisory-392.txt" }, { "name": "DSA-5050", "tags": [ "vendor-advisory", "x_refsource_DEBIAN" ], "url": "https://www.debian.org/security/2022/dsa-5050" }, { "name": "[debian-lts-announce] 20220309 [SECURITY] [DLA 2940-1] linux security update", "tags": [ "mailing-list", "x_refsource_MLIST" ], "url": "https://lists.debian.org/debian-lts-announce/2022/03/msg00011.html" }, { "name": "[debian-lts-announce] 20220309 [SECURITY] [DLA 2941-1] linux-4.19 security update", "tags": [ "mailing-list", "x_refsource_MLIST" ], "url": "https://lists.debian.org/debian-lts-announce/2022/03/msg00012.html" }, { "name": "DSA-5096", "tags": [ "vendor-advisory", "x_refsource_DEBIAN" ], "url": "https://www.debian.org/security/2022/dsa-5096" } ], "x_legacyV4Record": { "CVE_data_meta": { "ASSIGNER": "security@xen.org", "ID": "CVE-2021-28715", "STATE": "PUBLIC" }, "affects": { "vendor": { "vendor_data": [ { "product": { "product_data": [ { "product_name": "Linux", "version": { "version_data": [ { "version_affected": "?", "version_value": "consult Xen advisory XSA-392" } ] } } ] }, "vendor_name": "Linux" } ] } }, "configuration": { "configuration_data": { "description": { "description_data": [ { "lang": "eng", "value": "All systems using the Linux kernel based network backend xen-netback\nare vulnerable." } ] } } }, "credit": { "credit_data": { "description": { "description_data": [ { "lang": "eng", "value": "This issue was discovered by J\u00fcrgen Gro\u00df of SUSE." } ] } } }, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": { "description_data": [ { "lang": "eng", "value": "Guest can force Linux netback driver to hog large amounts of kernel memory T[his CNA information record relates to multiple CVEs; the text explains which aspects/vulnerabilities correspond to which CVE.] Incoming data packets for a guest in the Linux kernel\u0027s netback driver are buffered until the guest is ready to process them. There are some measures taken for avoiding to pile up too much data, but those can be bypassed by the guest: There is a timeout how long the client side of an interface can stop consuming new packets before it is assumed to have stalled, but this timeout is rather long (60 seconds by default). Using a UDP connection on a fast interface can easily accumulate gigabytes of data in that time. (CVE-2021-28715) The timeout could even never trigger if the guest manages to have only one free slot in its RX queue ring page and the next package would require more than one free slot, which may be the case when using GSO, XDP, or software hashing. (CVE-2021-28714)" } ] }, "impact": { "impact_data": { "description": { "description_data": [ { "lang": "eng", "value": "The Linux kernel\u0027s xen-netback backend driver can be forced by guests\nto queue arbitrary amounts of network data, finally causing an out of\nmemory situation in the domain the backend is running in (usually dom0)." } ] } } }, "problemtype": { "problemtype_data": [ { "description": [ { "lang": "eng", "value": "unknown" } ] } ] }, "references": { "reference_data": [ { "name": "https://xenbits.xenproject.org/xsa/advisory-392.txt", "refsource": "MISC", "url": "https://xenbits.xenproject.org/xsa/advisory-392.txt" }, { "name": "DSA-5050", "refsource": "DEBIAN", "url": "https://www.debian.org/security/2022/dsa-5050" }, { "name": "[debian-lts-announce] 20220309 [SECURITY] [DLA 2940-1] linux security update", "refsource": "MLIST", "url": "https://lists.debian.org/debian-lts-announce/2022/03/msg00011.html" }, { "name": "[debian-lts-announce] 20220309 [SECURITY] [DLA 2941-1] linux-4.19 security update", "refsource": "MLIST", "url": "https://lists.debian.org/debian-lts-announce/2022/03/msg00012.html" }, { "name": "DSA-5096", "refsource": "DEBIAN", "url": "https://www.debian.org/security/2022/dsa-5096" } ] }, "workaround": { "workaround_data": { "description": { "description_data": [ { "lang": "eng", "value": "Using another PV network backend (e.g. the qemu based \"qnic\" backend)\nwill mitigate the problem.\n\nUsing a dedicated network driver domain per guest will mitigate the\nproblem." } ] } } } } } }, "cveMetadata": { "assignerOrgId": "23aa2041-22e1-471f-9209-9b7396fa234f", "assignerShortName": "XEN", "cveId": "CVE-2021-28715", "datePublished": "2022-01-06T17:06:05.000Z", "dateReserved": "2021-03-18T00:00:00.000Z", "dateUpdated": "2025-05-22T18:34:45.221Z", "state": "PUBLISHED" }, "dataType": "CVE_RECORD", "dataVersion": "5.1" }
CVE-2021-28713 (GCVE-0-2021-28713)
Vulnerability from cvelistv5
Published
2022-01-05 16:10
Modified
2024-08-03 21:55
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- unknown
Summary
Rogue backends can cause DoS of guests via high frequency events T[his CNA information record relates to multiple CVEs; the text explains which aspects/vulnerabilities correspond to which CVE.] Xen offers the ability to run PV backends in regular unprivileged guests, typically referred to as "driver domains". Running PV backends in driver domains has one primary security advantage: if a driver domain gets compromised, it doesn't have the privileges to take over the system. However, a malicious driver domain could try to attack other guests via sending events at a high frequency leading to a Denial of Service in the guest due to trying to service interrupts for elongated amounts of time. There are three affected backends: * blkfront patch 1, CVE-2021-28711 * netfront patch 2, CVE-2021-28712 * hvc_xen (console) patch 3, CVE-2021-28713
References
URL | Tags | ||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
{ "containers": { "adp": [ { "providerMetadata": { "dateUpdated": "2024-08-03T21:55:11.785Z", "orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE" }, "references": [ { "tags": [ "x_refsource_MISC", "x_transferred" ], "url": "https://xenbits.xenproject.org/xsa/advisory-391.txt" }, { "name": "DSA-5050", "tags": [ "vendor-advisory", "x_refsource_DEBIAN", "x_transferred" ], "url": "https://www.debian.org/security/2022/dsa-5050" }, { "name": "[debian-lts-announce] 20220309 [SECURITY] [DLA 2940-1] linux security update", "tags": [ "mailing-list", "x_refsource_MLIST", "x_transferred" ], "url": "https://lists.debian.org/debian-lts-announce/2022/03/msg00011.html" }, { "name": "[debian-lts-announce] 20220309 [SECURITY] [DLA 2941-1] linux-4.19 security update", "tags": [ "mailing-list", "x_refsource_MLIST", "x_transferred" ], "url": "https://lists.debian.org/debian-lts-announce/2022/03/msg00012.html" }, { "name": "DSA-5096", "tags": [ "vendor-advisory", "x_refsource_DEBIAN", "x_transferred" ], "url": "https://www.debian.org/security/2022/dsa-5096" } ], "title": "CVE Program Container" } ], "cna": { "affected": [ { "product": "Linux", "vendor": "Linux", "versions": [ { "status": "unknown", "version": "consult Xen advisory XSA-391" } ] } ], "credits": [ { "lang": "en", "value": "{\u0027credit_data\u0027: {\u0027description\u0027: {\u0027description_data\u0027: [{\u0027lang\u0027: \u0027eng\u0027, \u0027value\u0027: \u0027This issue was discovered by J\u00fcrgen Gro\u00df of SUSE.\u0027}]}}}" } ], "descriptions": [ { "lang": "en", "value": "Rogue backends can cause DoS of guests via high frequency events T[his CNA information record relates to multiple CVEs; the text explains which aspects/vulnerabilities correspond to which CVE.] Xen offers the ability to run PV backends in regular unprivileged guests, typically referred to as \"driver domains\". Running PV backends in driver domains has one primary security advantage: if a driver domain gets compromised, it doesn\u0027t have the privileges to take over the system. However, a malicious driver domain could try to attack other guests via sending events at a high frequency leading to a Denial of Service in the guest due to trying to service interrupts for elongated amounts of time. There are three affected backends: * blkfront patch 1, CVE-2021-28711 * netfront patch 2, CVE-2021-28712 * hvc_xen (console) patch 3, CVE-2021-28713" } ], "metrics": [ { "other": { "content": { "description": { "description_data": [ { "lang": "eng", "value": "Potentially malicious PV backends can cause guest DoS due to unhardened\nfrontends in the guests, even though this ought to have been prevented by\ncontaining them within a driver domain." } ] } }, "type": "unknown" } } ], "problemTypes": [ { "descriptions": [ { "description": "unknown", "lang": "en", "type": "text" } ] } ], "providerMetadata": { "dateUpdated": "2022-03-10T02:06:49", "orgId": "23aa2041-22e1-471f-9209-9b7396fa234f", "shortName": "XEN" }, "references": [ { "tags": [ "x_refsource_MISC" ], "url": "https://xenbits.xenproject.org/xsa/advisory-391.txt" }, { "name": "DSA-5050", "tags": [ "vendor-advisory", "x_refsource_DEBIAN" ], "url": "https://www.debian.org/security/2022/dsa-5050" }, { "name": "[debian-lts-announce] 20220309 [SECURITY] [DLA 2940-1] linux security update", "tags": [ "mailing-list", "x_refsource_MLIST" ], "url": "https://lists.debian.org/debian-lts-announce/2022/03/msg00011.html" }, { "name": "[debian-lts-announce] 20220309 [SECURITY] [DLA 2941-1] linux-4.19 security update", "tags": [ "mailing-list", "x_refsource_MLIST" ], "url": "https://lists.debian.org/debian-lts-announce/2022/03/msg00012.html" }, { "name": "DSA-5096", "tags": [ "vendor-advisory", "x_refsource_DEBIAN" ], "url": "https://www.debian.org/security/2022/dsa-5096" } ], "x_legacyV4Record": { "CVE_data_meta": { "ASSIGNER": "security@xen.org", "ID": "CVE-2021-28713", "STATE": "PUBLIC" }, "affects": { "vendor": { "vendor_data": [ { "product": { "product_data": [ { "product_name": "Linux", "version": { "version_data": [ { "version_affected": "?", "version_value": "consult Xen advisory XSA-391" } ] } } ] }, "vendor_name": "Linux" } ] } }, "configuration": { "configuration_data": { "description": { "description_data": [ { "lang": "eng", "value": "All guests being serviced by potentially malicious backends are vulnerable,\neven if those backends are running in a less privileged environment. The\nvulnerability is not affecting the host, but the guests." } ] } } }, "credit": { "credit_data": { "description": { "description_data": [ { "lang": "eng", "value": "This issue was discovered by J\u00fcrgen Gro\u00df of SUSE." } ] } } }, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": { "description_data": [ { "lang": "eng", "value": "Rogue backends can cause DoS of guests via high frequency events T[his CNA information record relates to multiple CVEs; the text explains which aspects/vulnerabilities correspond to which CVE.] Xen offers the ability to run PV backends in regular unprivileged guests, typically referred to as \"driver domains\". Running PV backends in driver domains has one primary security advantage: if a driver domain gets compromised, it doesn\u0027t have the privileges to take over the system. However, a malicious driver domain could try to attack other guests via sending events at a high frequency leading to a Denial of Service in the guest due to trying to service interrupts for elongated amounts of time. There are three affected backends: * blkfront patch 1, CVE-2021-28711 * netfront patch 2, CVE-2021-28712 * hvc_xen (console) patch 3, CVE-2021-28713" } ] }, "impact": { "impact_data": { "description": { "description_data": [ { "lang": "eng", "value": "Potentially malicious PV backends can cause guest DoS due to unhardened\nfrontends in the guests, even though this ought to have been prevented by\ncontaining them within a driver domain." } ] } } }, "problemtype": { "problemtype_data": [ { "description": [ { "lang": "eng", "value": "unknown" } ] } ] }, "references": { "reference_data": [ { "name": "https://xenbits.xenproject.org/xsa/advisory-391.txt", "refsource": "MISC", "url": "https://xenbits.xenproject.org/xsa/advisory-391.txt" }, { "name": "DSA-5050", "refsource": "DEBIAN", "url": "https://www.debian.org/security/2022/dsa-5050" }, { "name": "[debian-lts-announce] 20220309 [SECURITY] [DLA 2940-1] linux security update", "refsource": "MLIST", "url": "https://lists.debian.org/debian-lts-announce/2022/03/msg00011.html" }, { "name": "[debian-lts-announce] 20220309 [SECURITY] [DLA 2941-1] linux-4.19 security update", "refsource": "MLIST", "url": "https://lists.debian.org/debian-lts-announce/2022/03/msg00012.html" }, { "name": "DSA-5096", "refsource": "DEBIAN", "url": "https://www.debian.org/security/2022/dsa-5096" } ] }, "workaround": { "workaround_data": { "description": { "description_data": [ { "lang": "eng", "value": "There is no known mitigation available." } ] } } } } } }, "cveMetadata": { "assignerOrgId": "23aa2041-22e1-471f-9209-9b7396fa234f", "assignerShortName": "XEN", "cveId": "CVE-2021-28713", "datePublished": "2022-01-05T16:10:24", "dateReserved": "2021-03-18T00:00:00", "dateUpdated": "2024-08-03T21:55:11.785Z", "state": "PUBLISHED" }, "dataType": "CVE_RECORD", "dataVersion": "5.1" }
CVE-2021-45095 (GCVE-0-2021-45095)
Vulnerability from cvelistv5
Published
2021-12-16 03:37
Modified
2024-08-04 04:32
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- n/a
Summary
pep_sock_accept in net/phonet/pep.c in the Linux kernel through 5.15.8 has a refcount leak.
References
URL | Tags | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
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CVE-2022-0264 (GCVE-0-2022-0264)
Vulnerability from cvelistv5
Published
2022-02-04 00:00
Modified
2024-08-02 23:25
Severity ?
VLAI Severity ?
EPSS score ?
CWE
Summary
A vulnerability was found in the Linux kernel's eBPF verifier when handling internal data structures. Internal memory locations could be returned to userspace. A local attacker with the permissions to insert eBPF code to the kernel can use this to leak internal kernel memory details defeating some of the exploit mitigations in place for the kernel. This flaws affects kernel versions < v5.16-rc6
References
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CVE-2022-0382 (GCVE-0-2022-0382)
Vulnerability from cvelistv5
Published
2022-02-11 00:00
Modified
2024-08-02 23:25
Severity ?
VLAI Severity ?
EPSS score ?
CWE
Summary
An information leak flaw was found due to uninitialized memory in the Linux kernel's TIPC protocol subsystem, in the way a user sends a TIPC datagram to one or more destinations. This flaw allows a local user to read some kernel memory. This issue is limited to no more than 7 bytes, and the user cannot control what is read. This flaw affects the Linux kernel versions prior to 5.17-rc1.
References
Impacted products
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CVE-2021-28712 (GCVE-0-2021-28712)
Vulnerability from cvelistv5
Published
2022-01-05 16:10
Modified
2024-08-03 21:55
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- unknown
Summary
Rogue backends can cause DoS of guests via high frequency events T[his CNA information record relates to multiple CVEs; the text explains which aspects/vulnerabilities correspond to which CVE.] Xen offers the ability to run PV backends in regular unprivileged guests, typically referred to as "driver domains". Running PV backends in driver domains has one primary security advantage: if a driver domain gets compromised, it doesn't have the privileges to take over the system. However, a malicious driver domain could try to attack other guests via sending events at a high frequency leading to a Denial of Service in the guest due to trying to service interrupts for elongated amounts of time. There are three affected backends: * blkfront patch 1, CVE-2021-28711 * netfront patch 2, CVE-2021-28712 * hvc_xen (console) patch 3, CVE-2021-28713
References
URL | Tags | ||||||||||||||||
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|
{ "containers": { "adp": [ { "providerMetadata": { "dateUpdated": "2024-08-03T21:55:11.592Z", "orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE" }, "references": [ { "tags": [ "x_refsource_MISC", "x_transferred" ], "url": "https://xenbits.xenproject.org/xsa/advisory-391.txt" }, { "name": "DSA-5050", "tags": [ "vendor-advisory", "x_refsource_DEBIAN", "x_transferred" ], "url": "https://www.debian.org/security/2022/dsa-5050" }, { "name": "[debian-lts-announce] 20220309 [SECURITY] [DLA 2940-1] linux security update", "tags": [ "mailing-list", "x_refsource_MLIST", "x_transferred" ], "url": "https://lists.debian.org/debian-lts-announce/2022/03/msg00011.html" }, { "name": "[debian-lts-announce] 20220309 [SECURITY] [DLA 2941-1] linux-4.19 security update", "tags": [ "mailing-list", "x_refsource_MLIST", "x_transferred" ], "url": "https://lists.debian.org/debian-lts-announce/2022/03/msg00012.html" }, { "name": "DSA-5096", "tags": [ "vendor-advisory", "x_refsource_DEBIAN", "x_transferred" ], "url": "https://www.debian.org/security/2022/dsa-5096" } ], "title": "CVE Program Container" } ], "cna": { "affected": [ { "product": "Linux", "vendor": "Linux", "versions": [ { "status": "unknown", "version": "consult Xen advisory XSA-391" } ] } ], "credits": [ { "lang": "en", "value": "{\u0027credit_data\u0027: {\u0027description\u0027: {\u0027description_data\u0027: [{\u0027lang\u0027: \u0027eng\u0027, \u0027value\u0027: \u0027This issue was discovered by J\u00fcrgen Gro\u00df of SUSE.\u0027}]}}}" } ], "descriptions": [ { "lang": "en", "value": "Rogue backends can cause DoS of guests via high frequency events T[his CNA information record relates to multiple CVEs; the text explains which aspects/vulnerabilities correspond to which CVE.] Xen offers the ability to run PV backends in regular unprivileged guests, typically referred to as \"driver domains\". Running PV backends in driver domains has one primary security advantage: if a driver domain gets compromised, it doesn\u0027t have the privileges to take over the system. However, a malicious driver domain could try to attack other guests via sending events at a high frequency leading to a Denial of Service in the guest due to trying to service interrupts for elongated amounts of time. There are three affected backends: * blkfront patch 1, CVE-2021-28711 * netfront patch 2, CVE-2021-28712 * hvc_xen (console) patch 3, CVE-2021-28713" } ], "metrics": [ { "other": { "content": { "description": { "description_data": [ { "lang": "eng", "value": "Potentially malicious PV backends can cause guest DoS due to unhardened\nfrontends in the guests, even though this ought to have been prevented by\ncontaining them within a driver domain." } ] } }, "type": "unknown" } } ], "problemTypes": [ { "descriptions": [ { "description": "unknown", "lang": "en", "type": "text" } ] } ], "providerMetadata": { "dateUpdated": "2022-03-10T02:06:52", "orgId": "23aa2041-22e1-471f-9209-9b7396fa234f", "shortName": "XEN" }, "references": [ { "tags": [ "x_refsource_MISC" ], "url": "https://xenbits.xenproject.org/xsa/advisory-391.txt" }, { "name": "DSA-5050", "tags": [ "vendor-advisory", "x_refsource_DEBIAN" ], "url": "https://www.debian.org/security/2022/dsa-5050" }, { "name": "[debian-lts-announce] 20220309 [SECURITY] [DLA 2940-1] linux security update", "tags": [ "mailing-list", "x_refsource_MLIST" ], "url": "https://lists.debian.org/debian-lts-announce/2022/03/msg00011.html" }, { "name": "[debian-lts-announce] 20220309 [SECURITY] [DLA 2941-1] linux-4.19 security update", "tags": [ "mailing-list", "x_refsource_MLIST" ], "url": "https://lists.debian.org/debian-lts-announce/2022/03/msg00012.html" }, { "name": "DSA-5096", "tags": [ "vendor-advisory", "x_refsource_DEBIAN" ], "url": "https://www.debian.org/security/2022/dsa-5096" } ], "x_legacyV4Record": { "CVE_data_meta": { "ASSIGNER": "security@xen.org", "ID": "CVE-2021-28712", "STATE": "PUBLIC" }, "affects": { "vendor": { "vendor_data": [ { "product": { "product_data": [ { "product_name": "Linux", "version": { "version_data": [ { "version_affected": "?", "version_value": "consult Xen advisory XSA-391" } ] } } ] }, "vendor_name": "Linux" } ] } }, "configuration": { "configuration_data": { "description": { "description_data": [ { "lang": "eng", "value": "All guests being serviced by potentially malicious backends are vulnerable,\neven if those backends are running in a less privileged environment. The\nvulnerability is not affecting the host, but the guests." } ] } } }, "credit": { "credit_data": { "description": { "description_data": [ { "lang": "eng", "value": "This issue was discovered by J\u00fcrgen Gro\u00df of SUSE." } ] } } }, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": { "description_data": [ { "lang": "eng", "value": "Rogue backends can cause DoS of guests via high frequency events T[his CNA information record relates to multiple CVEs; the text explains which aspects/vulnerabilities correspond to which CVE.] Xen offers the ability to run PV backends in regular unprivileged guests, typically referred to as \"driver domains\". Running PV backends in driver domains has one primary security advantage: if a driver domain gets compromised, it doesn\u0027t have the privileges to take over the system. However, a malicious driver domain could try to attack other guests via sending events at a high frequency leading to a Denial of Service in the guest due to trying to service interrupts for elongated amounts of time. There are three affected backends: * blkfront patch 1, CVE-2021-28711 * netfront patch 2, CVE-2021-28712 * hvc_xen (console) patch 3, CVE-2021-28713" } ] }, "impact": { "impact_data": { "description": { "description_data": [ { "lang": "eng", "value": "Potentially malicious PV backends can cause guest DoS due to unhardened\nfrontends in the guests, even though this ought to have been prevented by\ncontaining them within a driver domain." } ] } } }, "problemtype": { "problemtype_data": [ { "description": [ { "lang": "eng", "value": "unknown" } ] } ] }, "references": { "reference_data": [ { "name": "https://xenbits.xenproject.org/xsa/advisory-391.txt", "refsource": "MISC", "url": "https://xenbits.xenproject.org/xsa/advisory-391.txt" }, { "name": "DSA-5050", "refsource": "DEBIAN", "url": "https://www.debian.org/security/2022/dsa-5050" }, { "name": "[debian-lts-announce] 20220309 [SECURITY] [DLA 2940-1] linux security update", "refsource": "MLIST", "url": "https://lists.debian.org/debian-lts-announce/2022/03/msg00011.html" }, { "name": "[debian-lts-announce] 20220309 [SECURITY] [DLA 2941-1] linux-4.19 security update", "refsource": "MLIST", "url": "https://lists.debian.org/debian-lts-announce/2022/03/msg00012.html" }, { "name": "DSA-5096", "refsource": "DEBIAN", "url": "https://www.debian.org/security/2022/dsa-5096" } ] }, "workaround": { "workaround_data": { "description": { "description_data": [ { "lang": "eng", "value": "There is no known mitigation available." } ] } } } } } }, "cveMetadata": { "assignerOrgId": "23aa2041-22e1-471f-9209-9b7396fa234f", "assignerShortName": "XEN", "cveId": "CVE-2021-28712", "datePublished": "2022-01-05T16:10:23", "dateReserved": "2021-03-18T00:00:00", "dateUpdated": "2024-08-03T21:55:11.592Z", "state": "PUBLISHED" }, "dataType": "CVE_RECORD", "dataVersion": "5.1" }
CVE-2021-28714 (GCVE-0-2021-28714)
Vulnerability from cvelistv5
Published
2022-01-06 17:06
Modified
2024-08-03 21:55
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- unknown
Summary
Guest can force Linux netback driver to hog large amounts of kernel memory T[his CNA information record relates to multiple CVEs; the text explains which aspects/vulnerabilities correspond to which CVE.] Incoming data packets for a guest in the Linux kernel's netback driver are buffered until the guest is ready to process them. There are some measures taken for avoiding to pile up too much data, but those can be bypassed by the guest: There is a timeout how long the client side of an interface can stop consuming new packets before it is assumed to have stalled, but this timeout is rather long (60 seconds by default). Using a UDP connection on a fast interface can easily accumulate gigabytes of data in that time. (CVE-2021-28715) The timeout could even never trigger if the guest manages to have only one free slot in its RX queue ring page and the next package would require more than one free slot, which may be the case when using GSO, XDP, or software hashing. (CVE-2021-28714)
References
URL | Tags | ||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
{ "containers": { "adp": [ { "providerMetadata": { "dateUpdated": "2024-08-03T21:55:11.570Z", "orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE" }, "references": [ { "tags": [ "x_refsource_MISC", "x_transferred" ], "url": "https://xenbits.xenproject.org/xsa/advisory-392.txt" }, { "name": "DSA-5050", "tags": [ "vendor-advisory", "x_refsource_DEBIAN", "x_transferred" ], "url": "https://www.debian.org/security/2022/dsa-5050" }, { "name": "[debian-lts-announce] 20220309 [SECURITY] [DLA 2940-1] linux security update", "tags": [ "mailing-list", "x_refsource_MLIST", "x_transferred" ], "url": "https://lists.debian.org/debian-lts-announce/2022/03/msg00011.html" }, { "name": "[debian-lts-announce] 20220309 [SECURITY] [DLA 2941-1] linux-4.19 security update", "tags": [ "mailing-list", "x_refsource_MLIST", "x_transferred" ], "url": "https://lists.debian.org/debian-lts-announce/2022/03/msg00012.html" }, { "name": "DSA-5096", "tags": [ "vendor-advisory", "x_refsource_DEBIAN", "x_transferred" ], "url": "https://www.debian.org/security/2022/dsa-5096" } ], "title": "CVE Program Container" } ], "cna": { "affected": [ { "product": "Linux", "vendor": "Linux", "versions": [ { "status": "unknown", "version": "consult Xen advisory XSA-392" } ] } ], "credits": [ { "lang": "en", "value": "{\u0027credit_data\u0027: {\u0027description\u0027: {\u0027description_data\u0027: [{\u0027lang\u0027: \u0027eng\u0027, \u0027value\u0027: \u0027This issue was discovered by J\u00fcrgen Gro\u00df of SUSE.\u0027}]}}}" } ], "descriptions": [ { "lang": "en", "value": "Guest can force Linux netback driver to hog large amounts of kernel memory T[his CNA information record relates to multiple CVEs; the text explains which aspects/vulnerabilities correspond to which CVE.] Incoming data packets for a guest in the Linux kernel\u0027s netback driver are buffered until the guest is ready to process them. There are some measures taken for avoiding to pile up too much data, but those can be bypassed by the guest: There is a timeout how long the client side of an interface can stop consuming new packets before it is assumed to have stalled, but this timeout is rather long (60 seconds by default). Using a UDP connection on a fast interface can easily accumulate gigabytes of data in that time. (CVE-2021-28715) The timeout could even never trigger if the guest manages to have only one free slot in its RX queue ring page and the next package would require more than one free slot, which may be the case when using GSO, XDP, or software hashing. (CVE-2021-28714)" } ], "metrics": [ { "other": { "content": { "description": { "description_data": [ { "lang": "eng", "value": "The Linux kernel\u0027s xen-netback backend driver can be forced by guests\nto queue arbitrary amounts of network data, finally causing an out of\nmemory situation in the domain the backend is running in (usually dom0)." } ] } }, "type": "unknown" } } ], "problemTypes": [ { "descriptions": [ { "description": "unknown", "lang": "en", "type": "text" } ] } ], "providerMetadata": { "dateUpdated": "2022-03-10T02:07:11", "orgId": "23aa2041-22e1-471f-9209-9b7396fa234f", "shortName": "XEN" }, "references": [ { "tags": [ "x_refsource_MISC" ], "url": "https://xenbits.xenproject.org/xsa/advisory-392.txt" }, { "name": "DSA-5050", "tags": [ "vendor-advisory", "x_refsource_DEBIAN" ], "url": "https://www.debian.org/security/2022/dsa-5050" }, { "name": "[debian-lts-announce] 20220309 [SECURITY] [DLA 2940-1] linux security update", "tags": [ "mailing-list", "x_refsource_MLIST" ], "url": "https://lists.debian.org/debian-lts-announce/2022/03/msg00011.html" }, { "name": "[debian-lts-announce] 20220309 [SECURITY] [DLA 2941-1] linux-4.19 security update", "tags": [ "mailing-list", "x_refsource_MLIST" ], "url": "https://lists.debian.org/debian-lts-announce/2022/03/msg00012.html" }, { "name": "DSA-5096", "tags": [ "vendor-advisory", "x_refsource_DEBIAN" ], "url": "https://www.debian.org/security/2022/dsa-5096" } ], "x_legacyV4Record": { "CVE_data_meta": { "ASSIGNER": "security@xen.org", "ID": "CVE-2021-28714", "STATE": "PUBLIC" }, "affects": { "vendor": { "vendor_data": [ { "product": { "product_data": [ { "product_name": "Linux", "version": { "version_data": [ { "version_affected": "?", "version_value": "consult Xen advisory XSA-392" } ] } } ] }, "vendor_name": "Linux" } ] } }, "configuration": { "configuration_data": { "description": { "description_data": [ { "lang": "eng", "value": "All systems using the Linux kernel based network backend xen-netback\nare vulnerable." } ] } } }, "credit": { "credit_data": { "description": { "description_data": [ { "lang": "eng", "value": "This issue was discovered by J\u00fcrgen Gro\u00df of SUSE." } ] } } }, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": { "description_data": [ { "lang": "eng", "value": "Guest can force Linux netback driver to hog large amounts of kernel memory T[his CNA information record relates to multiple CVEs; the text explains which aspects/vulnerabilities correspond to which CVE.] Incoming data packets for a guest in the Linux kernel\u0027s netback driver are buffered until the guest is ready to process them. There are some measures taken for avoiding to pile up too much data, but those can be bypassed by the guest: There is a timeout how long the client side of an interface can stop consuming new packets before it is assumed to have stalled, but this timeout is rather long (60 seconds by default). Using a UDP connection on a fast interface can easily accumulate gigabytes of data in that time. (CVE-2021-28715) The timeout could even never trigger if the guest manages to have only one free slot in its RX queue ring page and the next package would require more than one free slot, which may be the case when using GSO, XDP, or software hashing. (CVE-2021-28714)" } ] }, "impact": { "impact_data": { "description": { "description_data": [ { "lang": "eng", "value": "The Linux kernel\u0027s xen-netback backend driver can be forced by guests\nto queue arbitrary amounts of network data, finally causing an out of\nmemory situation in the domain the backend is running in (usually dom0)." } ] } } }, "problemtype": { "problemtype_data": [ { "description": [ { "lang": "eng", "value": "unknown" } ] } ] }, "references": { "reference_data": [ { "name": "https://xenbits.xenproject.org/xsa/advisory-392.txt", "refsource": "MISC", "url": "https://xenbits.xenproject.org/xsa/advisory-392.txt" }, { "name": "DSA-5050", "refsource": "DEBIAN", "url": "https://www.debian.org/security/2022/dsa-5050" }, { "name": "[debian-lts-announce] 20220309 [SECURITY] [DLA 2940-1] linux security update", "refsource": "MLIST", "url": "https://lists.debian.org/debian-lts-announce/2022/03/msg00011.html" }, { "name": "[debian-lts-announce] 20220309 [SECURITY] [DLA 2941-1] linux-4.19 security update", "refsource": "MLIST", "url": "https://lists.debian.org/debian-lts-announce/2022/03/msg00012.html" }, { "name": "DSA-5096", "refsource": "DEBIAN", "url": "https://www.debian.org/security/2022/dsa-5096" } ] }, "workaround": { "workaround_data": { "description": { "description_data": [ { "lang": "eng", "value": "Using another PV network backend (e.g. the qemu based \"qnic\" backend)\nwill mitigate the problem.\n\nUsing a dedicated network driver domain per guest will mitigate the\nproblem." } ] } } } } } }, "cveMetadata": { "assignerOrgId": "23aa2041-22e1-471f-9209-9b7396fa234f", "assignerShortName": "XEN", "cveId": "CVE-2021-28714", "datePublished": "2022-01-06T17:06:04", "dateReserved": "2021-03-18T00:00:00", "dateUpdated": "2024-08-03T21:55:11.570Z", "state": "PUBLISHED" }, "dataType": "CVE_RECORD", "dataVersion": "5.1" }
CVE-2022-1055 (GCVE-0-2022-1055)
Vulnerability from cvelistv5
Published
2022-03-29 15:05
Modified
2024-08-02 23:47
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-416 - Use After Free
Summary
A use-after-free exists in the Linux Kernel in tc_new_tfilter that could allow a local attacker to gain privilege escalation. The exploit requires unprivileged user namespaces. We recommend upgrading past commit 04c2a47ffb13c29778e2a14e414ad4cb5a5db4b5
References
{ "containers": { "adp": [ { "affected": [ { "cpes": [ "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*" ], "defaultStatus": "unaffected", "product": "linux_kernel", "vendor": "linux", "versions": [ { "lessThan": "5.17_rc3", "status": "affected", "version": "0", "versionType": "custom" } ] } ], "metrics": [ { "other": { "content": { "id": "CVE-2022-1055", "options": [ { "Exploitation": "poc" }, { "Automatable": "no" }, { "Technical Impact": "total" } ], "role": "CISA Coordinator", "timestamp": "2024-05-21T17:47:41.220831Z", "version": "2.0.3" }, "type": "ssvc" } } ], "providerMetadata": { "dateUpdated": "2024-07-24T16:10:14.757Z", "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP" }, "title": "CISA ADP Vulnrichment" }, { "providerMetadata": { "dateUpdated": "2024-08-02T23:47:43.302Z", "orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE" }, "references": [ { "tags": [ "x_refsource_MISC", "x_transferred" ], "url": "https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=04c2a47ffb13c29778e2a14e414ad4cb5a5db4b5" }, { "tags": [ "x_refsource_MISC", "x_transferred" ], "url": "https://syzkaller.appspot.com/bug?id=2212474c958978ab86525fe6832ac8102c309ffc" }, { "tags": [ "x_refsource_MISC", "x_transferred" ], "url": "https://kernel.dance/#04c2a47ffb13c29778e2a14e414ad4cb5a5db4b5" }, { "tags": [ "x_refsource_CONFIRM", "x_transferred" ], "url": "https://security.netapp.com/advisory/ntap-20220506-0007/" }, { "tags": [ "x_refsource_MISC", "x_transferred" ], "url": "http://packetstormsecurity.com/files/167386/Kernel-Live-Patch-Security-Notice-LSN-0086-1.html" } ], "title": "CVE Program Container" } ], "cna": { "affected": [ { "defaultStatus": "unaffected", "product": "Kernel", "vendor": "Linux", "versions": [ { "lessThan": "v5.17-rc3", "status": "affected", "version": "0", "versionType": "custom" }, { "status": "unaffected", "version": "04c2a47ffb13c29778e2a14e414ad4cb5a5db4b5", "versionType": "git" } ] } ], "descriptions": [ { "lang": "en", "supportingMedia": [ { "base64": false, "type": "text/html", "value": "\u003cp\u003eA use-after-free exists in the Linux Kernel in tc_new_tfilter that could allow a local attacker to gain privilege escalation. The exploit requires unprivileged user namespaces. We recommend upgrading past commit 04c2a47ffb13c29778e2a14e414ad4cb5a5db4b5\u003c/p\u003e" } ], "value": "A use-after-free exists in the Linux Kernel in tc_new_tfilter that could allow a local attacker to gain privilege escalation. The exploit requires unprivileged user namespaces. 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CVE-2021-44733 (GCVE-0-2021-44733)
Vulnerability from cvelistv5
Published
2021-12-22 00:00
Modified
2024-08-04 04:32
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- n/a
Summary
A use-after-free exists in drivers/tee/tee_shm.c in the TEE subsystem in the Linux kernel through 5.15.11. This occurs because of a race condition in tee_shm_get_from_id during an attempt to free a shared memory object.
References
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CVE-2022-0516 (GCVE-0-2022-0516)
Vulnerability from cvelistv5
Published
2022-03-08 14:06
Modified
2024-08-02 23:32
Severity ?
VLAI Severity ?
EPSS score ?
CWE
Summary
A vulnerability was found in kvm_s390_guest_sida_op in the arch/s390/kvm/kvm-s390.c function in KVM for s390 in the Linux kernel. This flaw allows a local attacker with a normal user privilege to obtain unauthorized memory write access. This flaw affects Linux kernel versions prior to 5.17-rc4.
References
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Impacted products
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CVE-2022-23222 (GCVE-0-2022-23222)
Vulnerability from cvelistv5
Published
2022-01-14 00:00
Modified
2024-08-03 03:36
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- n/a
Summary
kernel/bpf/verifier.c in the Linux kernel through 5.15.14 allows local users to gain privileges because of the availability of pointer arithmetic via certain *_OR_NULL pointer types.
References
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"x_transferred" ], "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FCR3LIRUEXR7CA63W5M2HT3K63MZGKBR/" }, { "name": "FEDORA-2022-edbd74424e", "tags": [ "vendor-advisory", "x_transferred" ], "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/Z5VTIZZUPC73IEJNZX66BY2YCBRZAELB/" }, { "name": "[oss-security] 20220601 Re: Linux Kernel eBPF Improper Input Validation Vulnerability", "tags": [ "mailing-list", "x_transferred" ], "url": "http://www.openwall.com/lists/oss-security/2022/06/01/1" }, { "name": "[oss-security] 20220604 Re: Linux Kernel eBPF Improper Input Validation Vulnerability", "tags": [ "mailing-list", "x_transferred" ], "url": "http://www.openwall.com/lists/oss-security/2022/06/04/3" }, { "name": "[oss-security] 20220607 Re: Linux Kernel eBPF Improper Input Validation Vulnerability", "tags": [ "mailing-list", "x_transferred" ], "url": "http://www.openwall.com/lists/oss-security/2022/06/07/3" }, { "tags": [ "x_transferred" ], "url": "https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=64620e0a1e712a778095bd35cbb277dc2259281f" }, { "tags": [ "x_transferred" ], "url": "https://bugzilla.suse.com/show_bug.cgi?id=1194765" } ], "title": "CVE Program Container" } ], "cna": { "affected": [ { "product": "n/a", "vendor": "n/a", "versions": [ { "status": "affected", "version": "n/a" } ] } ], "descriptions": [ { "lang": "en", "value": "kernel/bpf/verifier.c in the Linux kernel through 5.15.14 allows local users to gain privileges because of the availability of pointer arithmetic via certain *_OR_NULL pointer types." } ], "problemTypes": [ { "descriptions": [ { "description": "n/a", "lang": "en", "type": "text" } ] } ], "providerMetadata": { "dateUpdated": "2024-03-25T00:10:53.963364", "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "shortName": "mitre" }, "references": [ { "url": "https://www.openwall.com/lists/oss-security/2022/01/13/1" }, { "name": "[oss-security] 20220114 Re: Linux Kernel eBPF Improper Input Validation Vulnerability", "tags": [ "mailing-list" ], "url": "http://www.openwall.com/lists/oss-security/2022/01/14/1" }, { "name": "[oss-security] 20220118 Re: Linux Kernel eBPF Improper Input Validation Vulnerability", "tags": [ "mailing-list" ], "url": "http://www.openwall.com/lists/oss-security/2022/01/18/2" }, { "name": "DSA-5050", "tags": [ "vendor-advisory" ], "url": "https://www.debian.org/security/2022/dsa-5050" }, { "url": "https://security.netapp.com/advisory/ntap-20220217-0002/" }, { "name": "FEDORA-2022-952bb7b856", "tags": [ "vendor-advisory" ], "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FCR3LIRUEXR7CA63W5M2HT3K63MZGKBR/" }, { "name": "FEDORA-2022-edbd74424e", "tags": [ "vendor-advisory" ], "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/Z5VTIZZUPC73IEJNZX66BY2YCBRZAELB/" }, { "name": "[oss-security] 20220601 Re: Linux Kernel eBPF Improper Input Validation Vulnerability", "tags": [ "mailing-list" ], "url": "http://www.openwall.com/lists/oss-security/2022/06/01/1" }, { "name": "[oss-security] 20220604 Re: Linux Kernel eBPF Improper Input Validation Vulnerability", "tags": [ "mailing-list" ], "url": "http://www.openwall.com/lists/oss-security/2022/06/04/3" }, { "name": "[oss-security] 20220607 Re: Linux Kernel eBPF Improper Input Validation Vulnerability", "tags": [ "mailing-list" ], "url": "http://www.openwall.com/lists/oss-security/2022/06/07/3" }, { "url": "https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=64620e0a1e712a778095bd35cbb277dc2259281f" }, { "url": "https://bugzilla.suse.com/show_bug.cgi?id=1194765" } ] } }, "cveMetadata": { "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "assignerShortName": "mitre", "cveId": "CVE-2022-23222", "datePublished": "2022-01-14T00:00:00", "dateReserved": "2022-01-14T00:00:00", "dateUpdated": "2024-08-03T03:36:20.302Z", "state": "PUBLISHED" }, "dataType": "CVE_RECORD", "dataVersion": "5.1" }
CVE-2021-45402 (GCVE-0-2021-45402)
Vulnerability from cvelistv5
Published
2022-02-11 14:36
Modified
2024-08-04 04:39
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- n/a
Summary
The check_alu_op() function in kernel/bpf/verifier.c in the Linux kernel through v5.16-rc5 did not properly update bounds while handling the mov32 instruction, which allows local users to obtain potentially sensitive address information, aka a "pointer leak."
References
URL | Tags | ||||||||||
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{ "containers": { "adp": [ { "providerMetadata": { "dateUpdated": "2024-08-04T04:39:20.900Z", "orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE" }, "references": [ { "tags": [ "x_refsource_MISC", "x_transferred" ], "url": "https://git.kernel.org/pub/scm/linux/kernel/git/netdev/net.git/commit/?id=3cf2b61eb06765e27fec6799292d9fb46d0b7e60" }, { "tags": [ "x_refsource_MISC", "x_transferred" ], "url": "https://git.kernel.org/pub/scm/linux/kernel/git/netdev/net.git/commit/?id=e572ff80f05c33cd0cb4860f864f5c9c044280b6" }, { "tags": [ "x_refsource_MISC", "x_transferred" ], "url": "https://git.kernel.org/pub/scm/linux/kernel/git/netdev/net.git/commit/?id=b1a7288dedc6caf9023f2676b4f5ed34cf0d4029" } ], "title": "CVE Program Container" } ], "cna": { "affected": [ { "product": "n/a", "vendor": "n/a", "versions": [ { "status": "affected", "version": "n/a" } ] } ], "descriptions": [ { "lang": "en", "value": "The check_alu_op() function in kernel/bpf/verifier.c in the Linux kernel through v5.16-rc5 did not properly update bounds while handling the mov32 instruction, which allows local users to obtain potentially sensitive address information, aka a \"pointer leak.\"" } ], "problemTypes": [ { "descriptions": [ { "description": "n/a", "lang": "en", "type": "text" } ] } ], "providerMetadata": { "dateUpdated": "2022-02-11T14:36:29", "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "shortName": "mitre" }, "references": [ { "tags": [ "x_refsource_MISC" ], "url": "https://git.kernel.org/pub/scm/linux/kernel/git/netdev/net.git/commit/?id=3cf2b61eb06765e27fec6799292d9fb46d0b7e60" }, { "tags": [ "x_refsource_MISC" ], "url": "https://git.kernel.org/pub/scm/linux/kernel/git/netdev/net.git/commit/?id=e572ff80f05c33cd0cb4860f864f5c9c044280b6" }, { "tags": [ "x_refsource_MISC" ], "url": "https://git.kernel.org/pub/scm/linux/kernel/git/netdev/net.git/commit/?id=b1a7288dedc6caf9023f2676b4f5ed34cf0d4029" } ], "x_legacyV4Record": { "CVE_data_meta": { "ASSIGNER": "cve@mitre.org", "ID": "CVE-2021-45402", "STATE": "PUBLIC" }, "affects": { "vendor": { "vendor_data": [ { "product": { "product_data": [ { "product_name": "n/a", "version": { "version_data": [ { "version_value": "n/a" } ] } } ] }, "vendor_name": "n/a" } ] } }, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": { "description_data": [ { "lang": "eng", "value": "The check_alu_op() function in kernel/bpf/verifier.c in the Linux kernel through v5.16-rc5 did not properly update bounds while handling the mov32 instruction, which allows local users to obtain potentially sensitive address information, aka a \"pointer leak.\"" } ] }, "problemtype": { "problemtype_data": [ { "description": [ { "lang": "eng", "value": "n/a" } ] } ] }, "references": { "reference_data": [ { "name": "https://git.kernel.org/pub/scm/linux/kernel/git/netdev/net.git/commit/?id=3cf2b61eb06765e27fec6799292d9fb46d0b7e60", "refsource": "MISC", "url": "https://git.kernel.org/pub/scm/linux/kernel/git/netdev/net.git/commit/?id=3cf2b61eb06765e27fec6799292d9fb46d0b7e60" }, { "name": "https://git.kernel.org/pub/scm/linux/kernel/git/netdev/net.git/commit/?id=e572ff80f05c33cd0cb4860f864f5c9c044280b6", "refsource": "MISC", "url": "https://git.kernel.org/pub/scm/linux/kernel/git/netdev/net.git/commit/?id=e572ff80f05c33cd0cb4860f864f5c9c044280b6" }, { "name": "https://git.kernel.org/pub/scm/linux/kernel/git/netdev/net.git/commit/?id=b1a7288dedc6caf9023f2676b4f5ed34cf0d4029", "refsource": "MISC", "url": "https://git.kernel.org/pub/scm/linux/kernel/git/netdev/net.git/commit/?id=b1a7288dedc6caf9023f2676b4f5ed34cf0d4029" } ] } } } }, "cveMetadata": { "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "assignerShortName": "mitre", "cveId": "CVE-2021-45402", "datePublished": "2022-02-11T14:36:29", "dateReserved": "2021-12-20T00:00:00", "dateUpdated": "2024-08-04T04:39:20.900Z", "state": "PUBLISHED" }, "dataType": "CVE_RECORD", "dataVersion": "5.1" }
CVE-2022-0492 (GCVE-0-2022-0492)
Vulnerability from cvelistv5
Published
2022-03-03 00:00
Modified
2024-08-02 23:32
Severity ?
VLAI Severity ?
EPSS score ?
CWE
Summary
A vulnerability was found in the Linux kernel’s cgroup_release_agent_write in the kernel/cgroup/cgroup-v1.c function. This flaw, under certain circumstances, allows the use of the cgroups v1 release_agent feature to escalate privileges and bypass the namespace isolation unexpectedly.
References
URL | Tags | |||||||||||||||||||||||||||||||
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{ "containers": { "adp": [ { "providerMetadata": { "dateUpdated": "2024-08-02T23:32:45.292Z", "orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE" }, "references": [ { "tags": [ "x_transferred" ], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2051505" }, { "tags": [ "x_transferred" ], "url": "https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=24f6008564183aa120d07c03d9289519c2fe02af" }, { "name": "[debian-lts-announce] 20220309 [SECURITY] [DLA 2940-1] linux security update", "tags": [ "mailing-list", "x_transferred" ], "url": "https://lists.debian.org/debian-lts-announce/2022/03/msg00011.html" }, { "name": "[debian-lts-announce] 20220309 [SECURITY] [DLA 2941-1] linux-4.19 security update", "tags": [ "mailing-list", "x_transferred" ], "url": "https://lists.debian.org/debian-lts-announce/2022/03/msg00012.html" }, { "name": "DSA-5095", "tags": [ "vendor-advisory", "x_transferred" ], "url": "https://www.debian.org/security/2022/dsa-5095" }, { "name": "DSA-5096", "tags": [ "vendor-advisory", "x_transferred" ], "url": "https://www.debian.org/security/2022/dsa-5096" }, { "tags": [ "x_transferred" ], "url": "http://packetstormsecurity.com/files/166444/Kernel-Live-Patch-Security-Notice-LSN-0085-1.html" }, { "tags": [ "x_transferred" ], "url": "https://security.netapp.com/advisory/ntap-20220419-0002/" }, { "tags": [ "x_transferred" ], "url": "http://packetstormsecurity.com/files/167386/Kernel-Live-Patch-Security-Notice-LSN-0086-1.html" }, { "tags": [ "x_transferred" ], "url": "http://packetstormsecurity.com/files/176099/Docker-cgroups-Container-Escape.html" } ], "title": "CVE Program Container" } ], "cna": { "affected": [ { "product": "kernel", "vendor": "n/a", "versions": [ { "status": "affected", "version": "kernel 5.17 rc3" } ] } ], "descriptions": [ { "lang": "en", "value": "A vulnerability was found in the Linux kernel\u2019s cgroup_release_agent_write in the kernel/cgroup/cgroup-v1.c function. This flaw, under certain circumstances, allows the use of the cgroups v1 release_agent feature to escalate privileges and bypass the namespace isolation unexpectedly." } ], "problemTypes": [ { "descriptions": [ { "cweId": "CWE-287", "description": "CWE-287", "lang": "en", "type": "CWE" } ] } ], "providerMetadata": { "dateUpdated": "2023-12-07T15:06:18.421771", "orgId": "53f830b8-0a3f-465b-8143-3b8a9948e749", "shortName": "redhat" }, "references": [ { "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2051505" }, { "url": "https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=24f6008564183aa120d07c03d9289519c2fe02af" }, { "name": "[debian-lts-announce] 20220309 [SECURITY] [DLA 2940-1] linux security update", "tags": [ "mailing-list" ], "url": "https://lists.debian.org/debian-lts-announce/2022/03/msg00011.html" }, { "name": "[debian-lts-announce] 20220309 [SECURITY] [DLA 2941-1] linux-4.19 security update", "tags": [ "mailing-list" ], "url": "https://lists.debian.org/debian-lts-announce/2022/03/msg00012.html" }, { "name": "DSA-5095", "tags": [ "vendor-advisory" ], "url": "https://www.debian.org/security/2022/dsa-5095" }, { "name": "DSA-5096", "tags": [ "vendor-advisory" ], "url": "https://www.debian.org/security/2022/dsa-5096" }, { "url": "http://packetstormsecurity.com/files/166444/Kernel-Live-Patch-Security-Notice-LSN-0085-1.html" }, { "url": "https://security.netapp.com/advisory/ntap-20220419-0002/" }, { "url": "http://packetstormsecurity.com/files/167386/Kernel-Live-Patch-Security-Notice-LSN-0086-1.html" }, { "url": "http://packetstormsecurity.com/files/176099/Docker-cgroups-Container-Escape.html" } ] } }, "cveMetadata": { "assignerOrgId": "53f830b8-0a3f-465b-8143-3b8a9948e749", "assignerShortName": "redhat", "cveId": "CVE-2022-0492", "datePublished": "2022-03-03T00:00:00", "dateReserved": "2022-02-04T00:00:00", "dateUpdated": "2024-08-02T23:32:45.292Z", "state": "PUBLISHED" }, "dataType": "CVE_RECORD", "dataVersion": "5.1" }
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Sightings
Author | Source | Type | Date |
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Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.
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