Red Hat: CVE-2021-20317: CVE-2021-20317 kernel: timer tree corruption leads to missing wakeup and system freeze (Multiple Advisories)
5
(AV:L/AC:L/Au:N/C:N/I:N/A:C)
09/27/2021
11/16/2021
11/16/2021
03/13/2024
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.
Solution(s)
- redhat-upgrade-kernel
- redhat-upgrade-kernel-rt
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