CVE-2023-46862

Description

An issue was discovered in the Linux kernel through 6.5.9. During a race with SQ thread exit, an io_uring/fdinfo.c io_uring_show_fdinfo NULL pointer dereference can occur.

Category

4.7
CVSS
Severity: Medium
CVSS 3.1 •
EPSS 0.01%
Third-Party Advisory kernel.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://github.com/torvalds/linux/commit/7644b1a1c9a7ae8ab99175989bfc8676055edb46 patch
https://bugzilla.kernel.org/show_bug.cgi?id=218032#c4 patch third party advisory issue tracking
https://lists.debian.org/debian-lts-announce/2024/01/msg00005.html mailing list

Frequently Asked Questions

What is the severity of CVE-2023-46862?
CVE-2023-46862 has been scored as a medium severity vulnerability.
How to fix CVE-2023-46862?
To fix CVE-2023-46862, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2023-46862 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2023-46862 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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