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CVE-2021-20317

UNKNOWN
Published 2021-09-27T10:34:49
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Expert Analysis

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No CVSS data available

Description

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.

Available Exploits

No exploits available for this CVE.

Related News

No news articles found for this CVE.

GitHub Security Advisories

Community-driven vulnerability intelligence from GitHub

⚠ Unreviewed MODERATE

GHSA-hf76-5hm2-g68j

Advisory Details

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.

CVSS Scoring

CVSS Score

5.0

CVSS Vector

CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H

References

ADVISORY https://nvd.nist.gov/vuln/detail/CVE-2021-20317
WEB https://bugzilla.redhat.com/show_bug.cgi?id=2005258
WEB https://cert-portal.siemens.com/productcert/pdf/ssa-222547.pdf
WEB https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git/commit/?id=511885d7061eda3eb1faf3f57dcc936ff75863f1
WEB https://lists.debian.org/debian-lts-announce/2021/12/msg00012.html
WEB https://lists.debian.org/debian-lts-announce/2022/03/msg00012.html
WEB https://www.debian.org/security/2022/dsa-5096

Advisory provided by GitHub Security Advisory Database. Published: May 24, 2022, Modified: May 24, 2022

References

https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git/commit/?id=511885d7061eda3eb1faf3f57dcc936ff75863f1
https://bugzilla.redhat.com/show_bug.cgi?id=2005258
https://lists.debian.org/debian-lts-announce/2021/12/msg00012.html
https://lists.debian.org/debian-lts-announce/2022/03/msg00012.html
https://www.debian.org/security/2022/dsa-5096
https://cert-portal.siemens.com/productcert/pdf/ssa-222547.pdf
Published: 2021-09-27T10:34:49
Last Modified: 2024-08-03T17:37:23.839Z
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