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CERTFR-2021-AVI-785
Vulnerability from certfr_avis
De multiples vulnérabilités ont été découvertes dans le noyau Linux de SUSE. Certaines d'entre elles permettent à un attaquant de provoquer une exécution de code arbitraire, un déni de service à distance et un contournement de la politique de sécurité.
Solution
Se référer au bulletin de sécurité de l'éditeur pour l'obtention des correctifs (cf. section Documentation).
NoneImpacted products
| Vendor | Product | Description | ||
|---|---|---|---|---|
| SUSE | N/A | SUSE Linux Enterprise High Availability 15-SP3 | ||
| SUSE | N/A | SUSE Linux Enterprise Module for Live Patching 15-SP3 | ||
| SUSE | N/A | SUSE MicroOS 5.1 | ||
| SUSE | N/A | SUSE Linux Enterprise Module for Basesystem 15-SP3 | ||
| SUSE | N/A | SUSE Linux Enterprise High Availability 12-SP5 | ||
| SUSE | N/A | SUSE Linux Enterprise Module for Development Tools 15-SP3 | ||
| SUSE | SUSE Linux Enterprise Live Patching | SUSE Linux Enterprise Live Patching 12-SP5 | ||
| SUSE | N/A | SUSE Linux Enterprise Module for Realtime 15-SP2 | ||
| SUSE | SUSE Linux Enterprise Real Time | SUSE Linux Enterprise Real Time Extension 12-SP5 | ||
| SUSE | N/A | SUSE Linux Enterprise Module for Realtime 15-SP3 | ||
| SUSE | N/A | SUSE Linux Enterprise Software Development Kit 12-SP5 | ||
| SUSE | SUSE Linux Enterprise Server | SUSE Linux Enterprise Server 12-SP5 | ||
| SUSE | N/A | SUSE MicroOS 5.0 | ||
| SUSE | N/A | SUSE Linux Enterprise Module for Public Cloud 15-SP3 | ||
| SUSE | N/A | SUSE Linux Enterprise Module for Live Patching 15-SP1 | ||
| SUSE | N/A | SUSE Linux Enterprise Workstation Extension 15-SP3 | ||
| SUSE | N/A | SUSE Linux Enterprise Module for Live Patching 15 | ||
| SUSE | N/A | SUSE Linux Enterprise Module for Legacy Software 15-SP3 | ||
| SUSE | N/A | SUSE Linux Enterprise Module for Public Cloud 15-SP2 | ||
| SUSE | N/A | SUSE Linux Enterprise Module for Live Patching 15-SP2 | ||
| SUSE | SUSE Linux Enterprise Live Patching | SUSE Linux Enterprise Live Patching 12-SP4 | ||
| SUSE | N/A | SUSE Linux Enterprise Workstation Extension 12-SP5 |
References
{
"$ref": "https://www.cert.ssi.gouv.fr/openapi.json",
"affected_systems": [
{
"description": "SUSE Linux Enterprise High Availability 15-SP3",
"product": {
"name": "N/A",
"vendor": {
"name": "SUSE",
"scada": false
}
}
},
{
"description": "SUSE Linux Enterprise Module for Live Patching 15-SP3",
"product": {
"name": "N/A",
"vendor": {
"name": "SUSE",
"scada": false
}
}
},
{
"description": "SUSE MicroOS 5.1",
"product": {
"name": "N/A",
"vendor": {
"name": "SUSE",
"scada": false
}
}
},
{
"description": "SUSE Linux Enterprise Module for Basesystem 15-SP3",
"product": {
"name": "N/A",
"vendor": {
"name": "SUSE",
"scada": false
}
}
},
{
"description": "SUSE Linux Enterprise High Availability 12-SP5",
"product": {
"name": "N/A",
"vendor": {
"name": "SUSE",
"scada": false
}
}
},
{
"description": "SUSE Linux Enterprise Module for Development Tools 15-SP3",
"product": {
"name": "N/A",
"vendor": {
"name": "SUSE",
"scada": false
}
}
},
{
"description": "SUSE Linux Enterprise Live Patching 12-SP5",
"product": {
"name": "SUSE Linux Enterprise Live Patching",
"vendor": {
"name": "SUSE",
"scada": false
}
}
},
{
"description": "SUSE Linux Enterprise Module for Realtime 15-SP2",
"product": {
"name": "N/A",
"vendor": {
"name": "SUSE",
"scada": false
}
}
},
{
"description": "SUSE Linux Enterprise Real Time Extension 12-SP5",
"product": {
"name": "SUSE Linux Enterprise Real Time",
"vendor": {
"name": "SUSE",
"scada": false
}
}
},
{
"description": "SUSE Linux Enterprise Module for Realtime 15-SP3",
"product": {
"name": "N/A",
"vendor": {
"name": "SUSE",
"scada": false
}
}
},
{
"description": "SUSE Linux Enterprise Software Development Kit 12-SP5",
"product": {
"name": "N/A",
"vendor": {
"name": "SUSE",
"scada": false
}
}
},
{
"description": "SUSE Linux Enterprise Server 12-SP5",
"product": {
"name": "SUSE Linux Enterprise Server",
"vendor": {
"name": "SUSE",
"scada": false
}
}
},
{
"description": "SUSE MicroOS 5.0",
"product": {
"name": "N/A",
"vendor": {
"name": "SUSE",
"scada": false
}
}
},
{
"description": "SUSE Linux Enterprise Module for Public Cloud 15-SP3",
"product": {
"name": "N/A",
"vendor": {
"name": "SUSE",
"scada": false
}
}
},
{
"description": "SUSE Linux Enterprise Module for Live Patching 15-SP1",
"product": {
"name": "N/A",
"vendor": {
"name": "SUSE",
"scada": false
}
}
},
{
"description": "SUSE Linux Enterprise Workstation Extension 15-SP3",
"product": {
"name": "N/A",
"vendor": {
"name": "SUSE",
"scada": false
}
}
},
{
"description": "SUSE Linux Enterprise Module for Live Patching 15",
"product": {
"name": "N/A",
"vendor": {
"name": "SUSE",
"scada": false
}
}
},
{
"description": "SUSE Linux Enterprise Module for Legacy Software 15-SP3",
"product": {
"name": "N/A",
"vendor": {
"name": "SUSE",
"scada": false
}
}
},
{
"description": "SUSE Linux Enterprise Module for Public Cloud 15-SP2",
"product": {
"name": "N/A",
"vendor": {
"name": "SUSE",
"scada": false
}
}
},
{
"description": "SUSE Linux Enterprise Module for Live Patching 15-SP2",
"product": {
"name": "N/A",
"vendor": {
"name": "SUSE",
"scada": false
}
}
},
{
"description": "SUSE Linux Enterprise Live Patching 12-SP4",
"product": {
"name": "SUSE Linux Enterprise Live Patching",
"vendor": {
"name": "SUSE",
"scada": false
}
}
},
{
"description": "SUSE Linux Enterprise Workstation Extension 12-SP5",
"product": {
"name": "N/A",
"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-2021-38207",
"url": "https://www.cve.org/CVERecord?id=CVE-2021-38207"
},
{
"name": "CVE-2021-38205",
"url": "https://www.cve.org/CVERecord?id=CVE-2021-38205"
},
{
"name": "CVE-2020-12770",
"url": "https://www.cve.org/CVERecord?id=CVE-2020-12770"
},
{
"name": "CVE-2021-34556",
"url": "https://www.cve.org/CVERecord?id=CVE-2021-34556"
},
{
"name": "CVE-2021-38209",
"url": "https://www.cve.org/CVERecord?id=CVE-2021-38209"
},
{
"name": "CVE-2021-3739",
"url": "https://www.cve.org/CVERecord?id=CVE-2021-3739"
},
{
"name": "CVE-2021-3679",
"url": "https://www.cve.org/CVERecord?id=CVE-2021-3679"
},
{
"name": "CVE-2020-3702",
"url": "https://www.cve.org/CVERecord?id=CVE-2020-3702"
},
{
"name": "CVE-2021-31440",
"url": "https://www.cve.org/CVERecord?id=CVE-2021-31440"
},
{
"name": "CVE-2021-38204",
"url": "https://www.cve.org/CVERecord?id=CVE-2021-38204"
},
{
"name": "CVE-2021-38166",
"url": "https://www.cve.org/CVERecord?id=CVE-2021-38166"
},
{
"name": "CVE-2021-3573",
"url": "https://www.cve.org/CVERecord?id=CVE-2021-3573"
},
{
"name": "CVE-2021-38160",
"url": "https://www.cve.org/CVERecord?id=CVE-2021-38160"
},
{
"name": "CVE-2021-3753",
"url": "https://www.cve.org/CVERecord?id=CVE-2021-3753"
},
{
"name": "CVE-2021-3759",
"url": "https://www.cve.org/CVERecord?id=CVE-2021-3759"
},
{
"name": "CVE-2021-40490",
"url": "https://www.cve.org/CVERecord?id=CVE-2021-40490"
},
{
"name": "CVE-2021-3656",
"url": "https://www.cve.org/CVERecord?id=CVE-2021-3656"
},
{
"name": "CVE-2021-3669",
"url": "https://www.cve.org/CVERecord?id=CVE-2021-3669"
},
{
"name": "CVE-2021-3640",
"url": "https://www.cve.org/CVERecord?id=CVE-2021-3640"
},
{
"name": "CVE-2021-38198",
"url": "https://www.cve.org/CVERecord?id=CVE-2021-38198"
},
{
"name": "CVE-2021-3715",
"url": "https://www.cve.org/CVERecord?id=CVE-2021-3715"
},
{
"name": "CVE-2021-3752",
"url": "https://www.cve.org/CVERecord?id=CVE-2021-3752"
},
{
"name": "CVE-2021-38206",
"url": "https://www.cve.org/CVERecord?id=CVE-2021-38206"
},
{
"name": "CVE-2021-3732",
"url": "https://www.cve.org/CVERecord?id=CVE-2021-3732"
},
{
"name": "CVE-2021-3764",
"url": "https://www.cve.org/CVERecord?id=CVE-2021-3764"
},
{
"name": "CVE-2021-35477",
"url": "https://www.cve.org/CVERecord?id=CVE-2021-35477"
},
{
"name": "CVE-2021-3744",
"url": "https://www.cve.org/CVERecord?id=CVE-2021-3744"
},
{
"name": "CVE-2021-3653",
"url": "https://www.cve.org/CVERecord?id=CVE-2021-3653"
},
{
"name": "CVE-2021-3743",
"url": "https://www.cve.org/CVERecord?id=CVE-2021-3743"
}
],
"initial_release_date": "2021-10-14T00:00:00",
"last_revision_date": "2021-10-14T00:00:00",
"links": [],
"reference": "CERTFR-2021-AVI-785",
"revisions": [
{
"description": "Version initiale",
"revision_date": "2021-10-14T00:00:00.000000"
}
],
"risks": [
{
"description": "D\u00e9ni de service \u00e0 distance"
},
{
"description": "Atteinte \u00e0 l\u0027int\u00e9grit\u00e9 des donn\u00e9es"
},
{
"description": "Ex\u00e9cution de code arbitraire"
},
{
"description": "Contournement de la politique de s\u00e9curit\u00e9"
},
{
"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. Certaines d\u0027entre elles permettent \u00e0 un attaquant de provoquer une\nex\u00e9cution de code arbitraire, un d\u00e9ni de service \u00e0 distance et un\ncontournement de la politique de s\u00e9curit\u00e9.\n",
"title": "Multiples vuln\u00e9rabilit\u00e9s dans le noyau Linux de SUSE",
"vendor_advisories": [
{
"published_at": null,
"title": "Bulletin de s\u00e9curit\u00e9 SUSE suse-su-20213388-1 du 13 octobre 2021",
"url": "https://www.suse.com/support/update/announcement/2021/suse-su-20213388-1/"
},
{
"published_at": null,
"title": "Bulletin de s\u00e9curit\u00e9 SUSE suse-su-20213374-1 du 13 octobre 2021",
"url": "https://www.suse.com/support/update/announcement/2021/suse-su-20213374-1/"
},
{
"published_at": null,
"title": "Bulletin de s\u00e9curit\u00e9 SUSE suse-su-20213338-1 du 12 octobre 2021",
"url": "https://www.suse.com/support/update/announcement/2021/suse-su-20213338-1/"
},
{
"published_at": null,
"title": "Bulletin de s\u00e9curit\u00e9 SUSE suse-su-20213387-1 du 13 octobre 2021",
"url": "https://www.suse.com/support/update/announcement/2021/suse-su-20213387-1/"
},
{
"published_at": null,
"title": "Bulletin de s\u00e9curit\u00e9 SUSE suse-su-20213205-2 du 13 octobre 2021",
"url": "https://www.suse.com/support/update/announcement/2021/suse-su-20213205-2/"
},
{
"published_at": null,
"title": "Bulletin de s\u00e9curit\u00e9 SUSE suse-su-20213337-1 du 12 octobre 2021",
"url": "https://www.suse.com/support/update/announcement/2021/suse-su-20213337-1/"
},
{
"published_at": null,
"title": "Bulletin de s\u00e9curit\u00e9 SUSE suse-su-20213371-1 du 13 octobre 2021",
"url": "https://www.suse.com/support/update/announcement/2021/suse-su-20213371-1/"
},
{
"published_at": null,
"title": "Bulletin de s\u00e9curit\u00e9 SUSE suse-su-20213360-1 du 13 octobre 2021",
"url": "https://www.suse.com/support/update/announcement/2021/suse-su-20213360-1/"
},
{
"published_at": null,
"title": "Bulletin de s\u00e9curit\u00e9 SUSE suse-su-20213339-1 du 12 octobre 2021",
"url": "https://www.suse.com/support/update/announcement/2021/suse-su-20213339-1/"
},
{
"published_at": null,
"title": "Bulletin de s\u00e9curit\u00e9 SUSE suse-su-20213401-1 du 13 octobre 2021",
"url": "https://www.suse.com/support/update/announcement/2021/suse-su-20213401-1/"
},
{
"published_at": null,
"title": "Bulletin de s\u00e9curit\u00e9 SUSE suse-su-20213415-1 du 14 octobre 2021",
"url": "https://www.suse.com/support/update/announcement/2021/suse-su-20213415-1/"
},
{
"published_at": null,
"title": "Bulletin de s\u00e9curit\u00e9 SUSE suse-su-20213386-1 du 13 octobre 2021",
"url": "https://www.suse.com/support/update/announcement/2021/suse-su-20213386-1/"
},
{
"published_at": null,
"title": "Bulletin de s\u00e9curit\u00e9 SUSE suse-su-20213389-1 du 13 octobre 2021",
"url": "https://www.suse.com/support/update/announcement/2021/suse-su-20213389-1/"
},
{
"published_at": null,
"title": "Bulletin de s\u00e9curit\u00e9 SUSE suse-su-20213361-1 du 13 octobre 2021",
"url": "https://www.suse.com/support/update/announcement/2021/suse-su-20213361-1/"
}
]
}
CVE-2021-38166 (GCVE-0-2021-38166)
Vulnerability from cvelistv5
Published
2021-08-07 17:50
Modified
2024-08-04 01:37
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- n/a
Summary
In kernel/bpf/hashtab.c in the Linux kernel through 5.13.8, there is an integer overflow and out-of-bounds write when many elements are placed in a single bucket. NOTE: exploitation might be impractical without the CAP_SYS_ADMIN capability.
References
| URL | Tags | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||
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CVE-2021-3744 (GCVE-0-2021-3744)
Vulnerability from cvelistv5
Published
2022-03-04 15:55
Modified
2024-08-03 17:01
Severity ?
VLAI Severity ?
EPSS score ?
CWE
Summary
A memory leak flaw was found in the Linux kernel in the ccp_run_aes_gcm_cmd() function in drivers/crypto/ccp/ccp-ops.c, which allows attackers to cause a denial of service (memory consumption). This vulnerability is similar with the older CVE-2019-18808.
References
| URL | Tags | ||||||||||||||||||||||||||||||||||
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CVE-2021-31440 (GCVE-0-2021-31440)
Vulnerability from cvelistv5
Published
2021-05-21 14:30
Modified
2024-08-03 22:55
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-682 - Incorrect Calculation
Summary
This vulnerability allows local attackers to escalate privileges on affected installations of Linux Kernel 5.11.15. An attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability. The specific flaw exists within the handling of eBPF programs. The issue results from the lack of proper validation of user-supplied eBPF programs prior to executing them. An attacker can leverage this vulnerability to escalate privileges and execute arbitrary code in the context of the kernel. Was ZDI-CAN-13661.
References
| URL | Tags | |
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CVE-2021-38198 (GCVE-0-2021-38198)
Vulnerability from cvelistv5
Published
2021-08-08 19:28
Modified
2024-08-04 01:37
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- n/a
Summary
arch/x86/kvm/mmu/paging_tmpl.h in the Linux kernel before 5.12.11 incorrectly computes the access permissions of a shadow page, leading to a missing guest protection page fault.
References
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CVE-2021-3739 (GCVE-0-2021-3739)
Vulnerability from cvelistv5
Published
2022-03-07 15:19
Modified
2024-08-03 17:01
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-476 - - NULL Pointer Dereference
Summary
A NULL pointer dereference flaw was found in the btrfs_rm_device function in fs/btrfs/volumes.c in the Linux Kernel, where triggering the bug requires ‘CAP_SYS_ADMIN’. This flaw allows a local attacker to crash the system or leak kernel internal information. The highest threat from this vulnerability is to system availability.
References
| URL | Tags | |||||||||||||||||||
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CVE-2021-3679 (GCVE-0-2021-3679)
Vulnerability from cvelistv5
Published
2021-08-05 19:54
Modified
2024-08-03 17:01
Severity ?
VLAI Severity ?
EPSS score ?
CWE
Summary
A lack of CPU resource in the Linux kernel tracing module functionality in versions prior to 5.14-rc3 was found in the way user uses trace ring buffer in a specific way. Only privileged local users (with CAP_SYS_ADMIN capability) could use this flaw to starve the resources causing denial of service.
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CVE-2021-38204 (GCVE-0-2021-38204)
Vulnerability from cvelistv5
Published
2021-08-08 19:25
Modified
2024-08-04 01:37
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- n/a
Summary
drivers/usb/host/max3421-hcd.c in the Linux kernel before 5.13.6 allows physically proximate attackers to cause a denial of service (use-after-free and panic) by removing a MAX-3421 USB device in certain situations.
References
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CVE-2021-3640 (GCVE-0-2021-3640)
Vulnerability from cvelistv5
Published
2022-03-03 22:04
Modified
2024-08-03 17:01
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-362 - - Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition'), CWE-416 - Use After Free.
Summary
A flaw use-after-free in function sco_sock_sendmsg() of the Linux kernel HCI subsystem was found in the way user calls ioct UFFDIO_REGISTER or other way triggers race condition of the call sco_conn_del() together with the call sco_sock_sendmsg() with the expected controllable faulting memory page. A privileged local user could use this flaw to crash the system or escalate their privileges on the system.
References
| URL | Tags | ||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||||||||||||||
Impacted products
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CVE-2021-34556 (GCVE-0-2021-34556)
Vulnerability from cvelistv5
Published
2021-08-02 04:02
Modified
2024-08-04 00:12
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- n/a
Summary
In the Linux kernel through 5.13.7, an unprivileged BPF program can obtain sensitive information from kernel memory via a Speculative Store Bypass side-channel attack because the protection mechanism neglects the possibility of uninitialized memory locations on the BPF stack.
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CVE-2021-35477 (GCVE-0-2021-35477)
Vulnerability from cvelistv5
Published
2021-08-02 03:57
Modified
2024-08-04 00:40
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- n/a
Summary
In the Linux kernel through 5.13.7, an unprivileged BPF program can obtain sensitive information from kernel memory via a Speculative Store Bypass side-channel attack because a certain preempting store operation does not necessarily occur before a store operation that has an attacker-controlled value.
References
| URL | Tags | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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CVE-2021-3743 (GCVE-0-2021-3743)
Vulnerability from cvelistv5
Published
2022-03-04 15:52
Modified
2024-08-03 17:01
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-125 - - Out-of-bounds Read
Summary
An out-of-bounds (OOB) memory read flaw was found in the Qualcomm IPC router protocol in the Linux kernel. A missing sanity check allows a local attacker 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 system availability.
References
| URL | Tags | |||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||||||||
Impacted products
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CVE-2020-12770 (GCVE-0-2020-12770)
Vulnerability from cvelistv5
Published
2020-05-09 20:16
Modified
2024-08-04 12:04
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- n/a
Summary
An issue was discovered in the Linux kernel through 5.6.11. sg_write lacks an sg_remove_request call in a certain failure case, aka CID-83c6f2390040.
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CVE-2021-3656 (GCVE-0-2021-3656)
Vulnerability from cvelistv5
Published
2022-03-04 18:41
Modified
2024-08-03 17:01
Severity ?
VLAI Severity ?
EPSS score ?
CWE
Summary
A flaw was found in the KVM's AMD code for supporting SVM nested virtualization. The flaw occurs when processing the VMCB (virtual machine control block) provided by the L1 guest to spawn/handle a nested guest (L2). Due to improper validation of the "virt_ext" field, this issue could allow a malicious L1 to disable both VMLOAD/VMSAVE intercepts and VLS (Virtual VMLOAD/VMSAVE) for the L2 guest. As a result, the L2 guest would be allowed to read/write physical pages of the host, resulting in a crash of the entire system, leak of sensitive data or potential guest-to-host escape.
References
| URL | Tags | |||||||||||||
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CVE-2021-3732 (GCVE-0-2021-3732)
Vulnerability from cvelistv5
Published
2022-03-07 13:56
Modified
2024-08-03 17:01
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-200 - - Exposure of Sensitive Information to an Unauthorized Actor
Summary
A flaw was found in the Linux kernel's OverlayFS subsystem in the way the user mounts the TmpFS filesystem with OverlayFS. This flaw allows a local user to gain access to hidden files that should not be accessible.
References
| URL | Tags | |||||||||||||
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CVE-2021-38160 (GCVE-0-2021-38160)
Vulnerability from cvelistv5
Published
2021-08-07 03:31
Modified
2024-08-04 01:37
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- n/a
Summary
In drivers/char/virtio_console.c in the Linux kernel before 5.13.4, data corruption or loss can be triggered by an untrusted device that supplies a buf->len value exceeding the buffer size. NOTE: the vendor indicates that the cited data corruption is not a vulnerability in any existing use case; the length validation was added solely for robustness in the face of anomalous host OS behavior
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CVE-2021-3573 (GCVE-0-2021-3573)
Vulnerability from cvelistv5
Published
2021-08-13 00:00
Modified
2024-08-03 17:01
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-362 - ->CWE-416
Summary
A use-after-free in function hci_sock_bound_ioctl() of the Linux kernel HCI subsystem was found in the way user calls ioct HCIUNBLOCKADDR or other way triggers race condition of the call hci_unregister_dev() together with one of the calls hci_sock_blacklist_add(), hci_sock_blacklist_del(), hci_get_conn_info(), hci_get_auth_info(). A privileged local user could use this flaw to crash the system or escalate their privileges on the system. This flaw affects the Linux kernel versions prior to 5.13-rc5.
References
| URL | Tags | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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CVE-2021-38205 (GCVE-0-2021-38205)
Vulnerability from cvelistv5
Published
2021-08-08 19:23
Modified
2024-08-04 01:37
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- n/a
Summary
drivers/net/ethernet/xilinx/xilinx_emaclite.c in the Linux kernel before 5.13.3 makes it easier for attackers to defeat an ASLR protection mechanism because it prints a kernel pointer (i.e., the real IOMEM pointer).
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CVE-2021-38206 (GCVE-0-2021-38206)
Vulnerability from cvelistv5
Published
2021-08-08 19:23
Modified
2024-08-04 01:37
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- n/a
Summary
The mac80211 subsystem in the Linux kernel before 5.12.13, when a device supporting only 5 GHz is used, allows attackers to cause a denial of service (NULL pointer dereference in the radiotap parser) by injecting a frame with 802.11a rates.
References
| URL | Tags | |
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CVE-2021-3764 (GCVE-0-2021-3764)
Vulnerability from cvelistv5
Published
2022-08-23 15:52
Modified
2024-08-03 17:09
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-400 - - Uncontrolled Resource Consumption
Summary
A memory leak flaw was found in the Linux kernel's ccp_run_aes_gcm_cmd() function that allows an attacker to cause a denial of service. The vulnerability is similar to the older CVE-2019-18808. The highest threat from this vulnerability is to system availability.
References
| URL | Tags | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
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Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| n/a | Linux Kernel |
Version: Fixed in v5.15-rc4 |
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CVE-2021-38207 (GCVE-0-2021-38207)
Vulnerability from cvelistv5
Published
2021-08-08 19:22
Modified
2024-08-04 01:37
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- n/a
Summary
drivers/net/ethernet/xilinx/ll_temac_main.c in the Linux kernel before 5.12.13 allows remote attackers to cause a denial of service (buffer overflow and lockup) by sending heavy network traffic for about ten minutes.
References
| URL | Tags | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||
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CVE-2021-40490 (GCVE-0-2021-40490)
Vulnerability from cvelistv5
Published
2021-09-03 00:50
Modified
2024-08-04 02:44
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- n/a
Summary
A race condition was discovered in ext4_write_inline_data_end in fs/ext4/inline.c in the ext4 subsystem in the Linux kernel through 5.13.13.
References
| URL | Tags | ||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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CVE-2021-3752 (GCVE-0-2021-3752)
Vulnerability from cvelistv5
Published
2022-02-16 18:35
Modified
2024-08-03 17:09
Severity ?
VLAI Severity ?
EPSS score ?
CWE
Summary
A use-after-free flaw was found in the Linux kernel’s Bluetooth subsystem in the way user calls connect to the socket and disconnect simultaneously due to a race condition. This flaw allows a user to crash the system or escalate their privileges. The highest threat from this vulnerability is to confidentiality, integrity, as well as system availability.
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CVE-2021-38209 (GCVE-0-2021-38209)
Vulnerability from cvelistv5
Published
2021-08-08 19:21
Modified
2024-08-04 01:37
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- n/a
Summary
net/netfilter/nf_conntrack_standalone.c in the Linux kernel before 5.12.2 allows observation of changes in any net namespace because these changes are leaked into all other net namespaces. This is related to the NF_SYSCTL_CT_MAX, NF_SYSCTL_CT_EXPECT_MAX, and NF_SYSCTL_CT_BUCKETS sysctls.
References
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CVE-2021-3715 (GCVE-0-2021-3715)
Vulnerability from cvelistv5
Published
2022-03-02 22:17
Modified
2024-08-03 17:01
Severity ?
VLAI Severity ?
EPSS score ?
CWE
Summary
A flaw was found in the "Routing decision" classifier in the Linux kernel's Traffic Control networking subsystem in the way it handled changing of classification filters, leading to a use-after-free condition. This flaw allows unprivileged local users to escalate their privileges on the system. The highest threat from this vulnerability is to confidentiality, integrity, as well as system availability.
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CVE-2021-3753 (GCVE-0-2021-3753)
Vulnerability from cvelistv5
Published
2022-02-16 00:00
Modified
2024-08-03 17:09
Severity ?
VLAI Severity ?
EPSS score ?
CWE
Summary
A race problem was seen in the vt_k_ioctl in drivers/tty/vt/vt_ioctl.c in the Linux kernel, which may cause an out of bounds read in vt as the write access to vc_mode is not protected by lock-in vt_ioctl (KDSETMDE). The highest threat from this vulnerability is to data confidentiality.
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CVE-2021-3653 (GCVE-0-2021-3653)
Vulnerability from cvelistv5
Published
2021-09-29 19:41
Modified
2024-08-03 17:01
Severity ?
VLAI Severity ?
EPSS score ?
CWE
Summary
A flaw was found in the KVM's AMD code for supporting SVM nested virtualization. The flaw occurs when processing the VMCB (virtual machine control block) provided by the L1 guest to spawn/handle a nested guest (L2). Due to improper validation of the "int_ctl" field, this issue could allow a malicious L1 to enable AVIC support (Advanced Virtual Interrupt Controller) for the L2 guest. As a result, the L2 guest would be allowed to read/write physical pages of the host, resulting in a crash of the entire system, leak of sensitive data or potential guest-to-host escape. This flaw affects Linux kernel versions prior to 5.14-rc7.
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CVE-2021-3669 (GCVE-0-2021-3669)
Vulnerability from cvelistv5
Published
2022-08-26 15:25
Modified
2024-08-03 17:01
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-400 - - Uncontrolled Resource Consumption
Summary
A flaw was found in the Linux kernel. Measuring usage of the shared memory does not scale with large shared memory segment counts which could lead to resource exhaustion and DoS.
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CVE-2020-3702 (GCVE-0-2020-3702)
Vulnerability from cvelistv5
Published
2020-09-08 09:31
Modified
2024-08-04 07:44
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- Cryptographic Issues in WIFI driver(Krook)
Summary
u'Specifically timed and handcrafted traffic can cause internal errors in a WLAN device that lead to improper layer 2 Wi-Fi encryption with a consequent possibility of information disclosure over the air for a discrete set of traffic' in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Voice & Music, Snapdragon Wearables, Snapdragon Wired Infrastructure and Networking in APQ8053, IPQ4019, IPQ8064, MSM8909W, MSM8996AU, QCA9531, QCN5502, QCS405, SDX20, SM6150, SM7150
References
| URL | Tags | ||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Qualcomm, Inc. | Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Voice & Music, Snapdragon Wearables, Snapdragon Wired Infrastructure and Networking |
Version: APQ8053, IPQ4019, IPQ8064, MSM8909W, MSM8996AU, QCA9531, QCN5502, QCS405, SDX20, SM6150, SM7150 |
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CVE-2021-3759 (GCVE-0-2021-3759)
Vulnerability from cvelistv5
Published
2022-08-23 00:00
Modified
2024-08-03 17:09
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-400 - - Uncontrolled Resource Consumption
Summary
A memory overflow vulnerability was found in the Linux kernel’s ipc functionality of the memcg subsystem, in the way a user calls the semget function multiple times, creating semaphores. This flaw allows a local user to starve the resources, causing a denial of service. The highest threat from this vulnerability is to system availability.
References
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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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