Use After Free Affecting kernel-tools-devel package, versions <0:4.14.299-223.520.amzn2
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Test your applications- Snyk ID SNYK-AMZN2-KERNELTOOLSDEVEL-6228298
- published 6 Feb 2024
- disclosed 26 Jan 2023
Introduced: 26 Jan 2023
CVE-2023-0468 Open this link in a new tabHow to fix?
Upgrade Amazon-Linux:2 kernel-tools-devel to version 0:4.14.299-223.520.amzn2 or higher.
This issue was patched in ALAS2-2022-1888.
NVD Description
Note: Versions mentioned in the description apply only to the upstream kernel-tools-devel package and not the kernel-tools-devel package as distributed by Amazon-Linux.
See How to fix? for Amazon-Linux:2 relevant fixed versions and status.
A use-after-free flaw was found in io_uring/poll.c in io_poll_check_events in the io_uring subcomponent in the Linux Kernel due to a race condition of poll_refs. This flaw may cause a NULL pointer dereference.