Unrated severityNVD Advisory· Published Sep 27, 2021· Updated Aug 3, 2024
CVE-2021-20317
CVE-2021-20317
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.
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Affected products
3- Linux/Linux kerneldescription
Patches
Vulnerability mechanics
References
6- www.debian.org/security/2022/dsa-5096mitrevendor-advisoryx_refsource_DEBIAN
- bugzilla.redhat.com/show_bug.cgimitrex_refsource_MISC
- cert-portal.siemens.com/productcert/pdf/ssa-222547.pdfmitrex_refsource_CONFIRM
- git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git/commit/mitrex_refsource_MISC
- lists.debian.org/debian-lts-announce/2021/12/msg00012.htmlmitremailing-listx_refsource_MLIST
- lists.debian.org/debian-lts-announce/2022/03/msg00012.htmlmitremailing-listx_refsource_MLIST
News mentions
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