Vulnerability-Lookup

alsa-2021:4647

Vulnerability from osv_almalinux

Published

2021-11-15 09:57

Modified

2021-11-15 18:21

Summary

Important: kernel security update

Details

The kernel packages contain the Linux kernel, the core of any Linux operating system.

Security Fix(es):

kernel: Insufficient validation of user-supplied sizes for the MSG_CRYPTO message type (CVE-2021-43267)
kernel: timer tree corruption leads to missing wakeup and system freeze (CVE-2021-20317)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

JSON

To clipboard

{
  "affected": [
    {
      "package": {
        "ecosystem": "AlmaLinux:8",
        "name": "kernel-tools-libs-devel"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "4.18.0-348.2.1.el8_5"
            }
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          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "details": "The kernel packages contain the Linux kernel, the core of any Linux operating system.\n\nSecurity Fix(es):\n\n* kernel: Insufficient validation of user-supplied sizes for the MSG_CRYPTO message type (CVE-2021-43267)\n\n* kernel: timer tree corruption leads to missing wakeup and system freeze (CVE-2021-20317)\n\nFor more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.",
  "id": "ALSA-2021:4647",
  "modified": "2021-11-15T18:21:40Z",
  "published": "2021-11-15T09:57:15Z",
  "references": [
    {
      "type": "REPORT",
      "url": "https://vulners.com/cve/CVE-2021-20317"
    },
    {
      "type": "REPORT",
      "url": "https://vulners.com/cve/CVE-2021-43267"
    }
  ],
  "related": [
    "CVE-2021-43267",
    "CVE-2021-20317"
  ],
  "summary": "Important: kernel security update"
}

CVE-2021-43267 (GCVE-0-2021-43267)

Vulnerability from cvelistv5 – Published: 2021-11-02 22:13 – Updated: 2024-08-04 03:55

Summary

An issue was discovered in net/tipc/crypto.c in the Linux kernel before 5.14.16. The Transparent Inter-Process Communication (TIPC) functionality allows remote attackers to exploit insufficient validation of user-supplied sizes for the MSG_CRYPTO message type.

Severity ?

No CVSS data available.

CWE

Assigner

mitre

References

URL

Tags

	https://github.com/torvalds/linux/commit/fa40d973…	x_refsource_MISC
	https://cdn.kernel.org/pub/linux/kernel/v5.x/Chan…	x_refsource_MISC
	https://lists.fedoraproject.org/archives/list/pac…	vendor-advisoryx_refsource_FEDORA
	https://lists.fedoraproject.org/archives/list/pac…	vendor-advisoryx_refsource_FEDORA
	https://security.netapp.com/advisory/ntap-2021112…	x_refsource_CONFIRM
	http://www.openwall.com/lists/oss-security/2022/02/10/1	mailing-listx_refsource_MLIST

Show details on NVD website

JSON

To clipboard

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CVE-2021-20317 (GCVE-0-2021-20317)

Vulnerability from cvelistv5 – Published: 2021-09-27 10:34 – Updated: 2024-08-03 17:37

Summary

A flaw was found in the Linux kernel. A corrupted timer tree caused the task wakeup to be missing in the timerqueue_add function in lib/timerqueue.c. This flaw allows a local attacker with special user privileges to cause a denial of service, slowing and eventually stopping the system while running OSP.

Severity ?

No CVSS data available.

CWE

CWE-665

Assigner

redhat

References

URL

Tags

	https://git.kernel.org/pub/scm/linux/kernel/git/t…	x_refsource_MISC
	https://bugzilla.redhat.com/show_bug.cgi?id=2005258	x_refsource_MISC
	https://lists.debian.org/debian-lts-announce/2021…	mailing-listx_refsource_MLIST
	https://lists.debian.org/debian-lts-announce/2022…	mailing-listx_refsource_MLIST
	https://www.debian.org/security/2022/dsa-5096	vendor-advisoryx_refsource_DEBIAN
	https://cert-portal.siemens.com/productcert/pdf/s…	x_refsource_CONFIRM

Impacted products

	Vendor	Product	Version
	n/a	kernel	Affected: Kernel 5.3 rc1

Show details on NVD website

JSON

To clipboard

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Sightings

Author	Source	Type	Date

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Detection rules are retrieved from Rulezet.

Action not permitted

alsa-2021:4647

Vulnerability from osv_almalinux

CVE-2021-43267 (GCVE-0-2021-43267)

CVE-2021-20317 (GCVE-0-2021-20317)

Tags

Sightings

Nomenclature