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CERTFR-2022-AVI-162
Vulnerability from certfr_avis
De multiples vulnérabilités ont été découvertes dans le noyau Linux de SUSE. Elles permettent à un attaquant de provoquer un déni de service, une atteinte à la confidentialité des données et une élévation de privilèges.
Solution
Se référer au bulletin de sécurité de l'éditeur pour l'obtention des correctifs (cf. section Documentation).
NoneImpacted products
| Vendor | Product | Description | ||
|---|---|---|---|---|
| SUSE | SUSE Linux Enterprise Server | SUSE Linux Enterprise Server 12-SP2-BCL |
References
| Title | Publication Time | Tags | |||
|---|---|---|---|---|---|
|
|||||
{
"$ref": "https://www.cert.ssi.gouv.fr/openapi.json",
"affected_systems": [
{
"description": "SUSE Linux Enterprise Server 12-SP2-BCL",
"product": {
"name": "SUSE Linux Enterprise Server",
"vendor": {
"name": "SUSE",
"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-2021-45485",
"url": "https://www.cve.org/CVERecord?id=CVE-2021-45485"
},
{
"name": "CVE-2021-4202",
"url": "https://www.cve.org/CVERecord?id=CVE-2021-4202"
},
{
"name": "CVE-2021-39657",
"url": "https://www.cve.org/CVERecord?id=CVE-2021-39657"
},
{
"name": "CVE-2018-25020",
"url": "https://www.cve.org/CVERecord?id=CVE-2018-25020"
},
{
"name": "CVE-2021-45095",
"url": "https://www.cve.org/CVERecord?id=CVE-2021-45095"
},
{
"name": "CVE-2021-28711",
"url": "https://www.cve.org/CVERecord?id=CVE-2021-28711"
},
{
"name": "CVE-2020-35519",
"url": "https://www.cve.org/CVERecord?id=CVE-2020-35519"
},
{
"name": "CVE-2021-28713",
"url": "https://www.cve.org/CVERecord?id=CVE-2021-28713"
},
{
"name": "CVE-2021-4002",
"url": "https://www.cve.org/CVERecord?id=CVE-2021-4002"
},
{
"name": "CVE-2021-4083",
"url": "https://www.cve.org/CVERecord?id=CVE-2021-4083"
},
{
"name": "CVE-2021-45486",
"url": "https://www.cve.org/CVERecord?id=CVE-2021-45486"
},
{
"name": "CVE-2022-0330",
"url": "https://www.cve.org/CVERecord?id=CVE-2022-0330"
},
{
"name": "CVE-2021-28712",
"url": "https://www.cve.org/CVERecord?id=CVE-2021-28712"
},
{
"name": "CVE-2021-33098",
"url": "https://www.cve.org/CVERecord?id=CVE-2021-33098"
},
{
"name": "CVE-2021-4155",
"url": "https://www.cve.org/CVERecord?id=CVE-2021-4155"
},
{
"name": "CVE-2021-3564",
"url": "https://www.cve.org/CVERecord?id=CVE-2021-3564"
},
{
"name": "CVE-2021-43976",
"url": "https://www.cve.org/CVERecord?id=CVE-2021-43976"
},
{
"name": "CVE-2021-0935",
"url": "https://www.cve.org/CVERecord?id=CVE-2021-0935"
},
{
"name": "CVE-2021-4149",
"url": "https://www.cve.org/CVERecord?id=CVE-2021-4149"
},
{
"name": "CVE-2019-0136",
"url": "https://www.cve.org/CVERecord?id=CVE-2019-0136"
},
{
"name": "CVE-2021-28715",
"url": "https://www.cve.org/CVERecord?id=CVE-2021-28715"
},
{
"name": "CVE-2021-39648",
"url": "https://www.cve.org/CVERecord?id=CVE-2021-39648"
},
{
"name": "CVE-2021-4197",
"url": "https://www.cve.org/CVERecord?id=CVE-2021-4197"
}
],
"initial_release_date": "2022-02-18T00:00:00",
"last_revision_date": "2022-02-18T00:00:00",
"links": [],
"reference": "CERTFR-2022-AVI-162",
"revisions": [
{
"description": "Version initiale",
"revision_date": "2022-02-18T00:00:00.000000"
}
],
"risks": [
{
"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 de\nSUSE. Elles permettent \u00e0 un attaquant de provoquer un d\u00e9ni de service,\nune atteinte \u00e0 la confidentialit\u00e9 des donn\u00e9es et une \u00e9l\u00e9vation de\nprivil\u00e8ges.\n",
"title": "Multiples vuln\u00e9rabilit\u00e9s dans le noyau Linux de SUSE",
"vendor_advisories": [
{
"published_at": null,
"title": "Bulletin de s\u00e9curit\u00e9 SUSE 20220477-1 du 17 f\u00e9vrier 2022",
"url": "https://www.suse.com/support/update/announcement/2022/suse-su-20220477-1/"
}
]
}
CVE-2021-4155 (GCVE-0-2021-4155)
Vulnerability from cvelistv5
Published
2022-08-24 15:10
Modified
2024-08-03 17:16
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-131 - - Incorrect Calculation of Buffer Size
Summary
A data leak flaw was found in the way XFS_IOC_ALLOCSP IOCTL in the XFS filesystem allowed for size increase of files with unaligned size. A local attacker could use this flaw to leak data on the XFS filesystem otherwise not accessible to them.
References
| URL | Tags | ||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||
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CVE-2021-39648 (GCVE-0-2021-39648)
Vulnerability from cvelistv5
Published
2021-12-15 18:05
Modified
2024-08-04 02:13
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- Information disclosure
Summary
In gadget_dev_desc_UDC_show of configfs.c, there is a possible disclosure of kernel heap memory due to a race condition. This could lead to local information disclosure with System execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android kernelAndroid ID: A-160822094References: Upstream kernel
References
| URL | Tags | ||||
|---|---|---|---|---|---|
|
|||||
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CVE-2021-4149 (GCVE-0-2021-4149)
Vulnerability from cvelistv5
Published
2022-03-23 19:46
Modified
2024-08-03 17:16
Severity ?
VLAI Severity ?
EPSS score ?
CWE
Summary
A vulnerability was found in btrfs_alloc_tree_b in fs/btrfs/extent-tree.c in the Linux kernel due to an improper lock operation in btrfs. In this flaw, a user with a local privilege may cause a denial of service (DOS) due to a deadlock problem.
References
| URL | Tags | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||
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CVE-2021-33098 (GCVE-0-2021-33098)
Vulnerability from cvelistv5
Published
2021-11-17 19:12
Modified
2024-08-03 23:42
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- denial of service
Summary
Improper input validation in the Intel(R) Ethernet ixgbe driver for Linux before version 3.17.3 may allow an authenticated user to potentially enable denial of service via local access.
References
| URL | Tags | |||||||
|---|---|---|---|---|---|---|---|---|
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||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| n/a | Intel(R) Ethernet ixgbe driver for Linux |
Version: before version 3.17.3 |
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CVE-2021-4202 (GCVE-0-2021-4202)
Vulnerability from cvelistv5
Published
2022-03-25 18:02
Modified
2024-08-03 17:16
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-362 - ->CWE-416
Summary
A use-after-free flaw was found in nci_request in net/nfc/nci/core.c in NFC Controller Interface (NCI) in the Linux kernel. This flaw could allow a local attacker with user privileges to cause a data race problem while the device is getting removed, leading to a privilege escalation problem.
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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
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CVE-2021-45485 (GCVE-0-2021-45485)
Vulnerability from cvelistv5
Published
2021-12-25 01:05
Modified
2024-08-04 04:39
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- n/a
Summary
In the IPv6 implementation in the Linux kernel before 5.13.3, net/ipv6/output_core.c has an information leak because of certain use of a hash table which, although big, doesn't properly consider that IPv6-based attackers can typically choose among many IPv6 source addresses.
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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
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CVE-2019-0136 (GCVE-0-2019-0136)
Vulnerability from cvelistv5
Published
2019-06-13 15:36
Modified
2024-08-04 17:44
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- Denial of Service
Summary
Insufficient access control in the Intel(R) PROSet/Wireless WiFi Software driver before version 21.10 may allow an unauthenticated user to potentially enable denial of service via adjacent access.
References
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| n/a | Intel® PROSet/Wireless WiFi Software |
Version: Please see reference document. |
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CVE-2018-25020 (GCVE-0-2018-25020)
Vulnerability from cvelistv5
Published
2021-12-08 04:47
Modified
2024-08-05 12:26
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- n/a
Summary
The BPF subsystem in the Linux kernel before 4.17 mishandles situations with a long jump over an instruction sequence where inner instructions require substantial expansions into multiple BPF instructions, leading to an overflow. This affects kernel/bpf/core.c and net/core/filter.c.
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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)
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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
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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.
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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
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CVE-2021-3564 (GCVE-0-2021-3564)
Vulnerability from cvelistv5
Published
2021-06-08 11:59
Modified
2024-08-03 17:01
Severity ?
VLAI Severity ?
EPSS score ?
CWE
Summary
A flaw double-free memory corruption in the Linux kernel HCI device initialization subsystem was found in the way user attach malicious HCI TTY Bluetooth device. A local user could use this flaw to crash the system. This flaw affects all the Linux kernel versions starting from 3.13.
References
| URL | Tags | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||
Impacted products
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CVE-2021-4083 (GCVE-0-2021-4083)
Vulnerability from cvelistv5
Published
2022-01-18 16:51
Modified
2024-08-03 17:16
Severity ?
VLAI Severity ?
EPSS score ?
CWE
Summary
A read-after-free memory flaw was found in the Linux kernel's garbage collection for Unix domain socket file handlers in the way users call close() and fget() simultaneously and can potentially trigger a race condition. This flaw allows a local user to crash the system or escalate their privileges on the system. This flaw affects Linux kernel versions prior to 5.16-rc4.
References
| URL | Tags | ||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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CVE-2021-43976 (GCVE-0-2021-43976)
Vulnerability from cvelistv5
Published
2021-11-17 00:00
Modified
2024-08-04 04:10
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- n/a
Summary
In the Linux kernel through 5.15.2, mwifiex_usb_recv in drivers/net/wireless/marvell/mwifiex/usb.c allows an attacker (who can connect a crafted USB device) to cause a denial of service (skb_over_panic).
References
| URL | Tags | |||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||||||||||||||
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CVE-2022-0330 (GCVE-0-2022-0330)
Vulnerability from cvelistv5
Published
2022-03-25 00:00
Modified
2024-08-02 23:25
Severity ?
VLAI Severity ?
EPSS score ?
CWE
Summary
A random memory access flaw was found in the Linux kernel's GPU i915 kernel driver functionality in the way a user may run malicious code on the GPU. This flaw allows a local user to crash the system or escalate their privileges on the system.
References
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CVE-2021-39657 (GCVE-0-2021-39657)
Vulnerability from cvelistv5
Published
2021-12-15 18:06
Modified
2024-08-04 02:13
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- Information disclosure
Summary
In ufshcd_eh_device_reset_handler of ufshcd.c, there is a possible out of bounds read due to a missing bounds check. This could lead to local information disclosure with System execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android kernelAndroid ID: A-194696049References: Upstream kernel
References
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CVE-2021-4002 (GCVE-0-2021-4002)
Vulnerability from cvelistv5
Published
2022-03-03 21:42
Modified
2024-08-03 17:16
Severity ?
VLAI Severity ?
EPSS score ?
CWE
Summary
A memory leak flaw in the Linux kernel's hugetlbfs memory usage was found in the way the user maps some regions of memory twice using shmget() which are aligned to PUD alignment with the fault of some of the memory pages. A local user could use this flaw to get unauthorized access to some data.
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Impacted products
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CVE-2021-0935 (GCVE-0-2021-0935)
Vulnerability from cvelistv5
Published
2021-10-25 13:20
Modified
2024-08-03 15:55
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- Elevation of privilege
Summary
In ip6_xmit of ip6_output.c, there is a possible out of bounds write due to a use after free. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android kernelAndroid ID: A-168607263References: Upstream kernel
References
| URL | Tags | ||||
|---|---|---|---|---|---|
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CVE-2021-45486 (GCVE-0-2021-45486)
Vulnerability from cvelistv5
Published
2021-12-25 01:04
Modified
2024-08-04 04:39
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- n/a
Summary
In the IPv4 implementation in the Linux kernel before 5.12.4, net/ipv4/route.c has an information leak because the hash table is very small.
References
| URL | Tags | |||||||||||||
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CVE-2020-35519 (GCVE-0-2020-35519)
Vulnerability from cvelistv5
Published
2021-05-06 14:18
Modified
2024-08-04 17:02
Severity ?
VLAI Severity ?
EPSS score ?
CWE
Summary
An out-of-bounds (OOB) memory access flaw was found in x25_bind in net/x25/af_x25.c in the Linux kernel version v5.12-rc5. A bounds check failure allows a local attacker with a user account on the system to gain access to out-of-bounds memory, leading to a system crash or a leak of internal kernel information. The highest threat from this vulnerability is to confidentiality, integrity, as well as system availability.
References
| URL | Tags | |||||||
|---|---|---|---|---|---|---|---|---|
|
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Sightings
| Author | Source | Type | Date |
|---|
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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