CVE-2023-46862

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.

CVSS 3.1

4.7CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H

EPSS

0.2% chance of exploitation in the next 30 days; higher than 13% of CVEs (scores of 2026-10-25)

CWE

CWE-476

Published

2023-10-29

Modified

2026-10-15

Record from

the NVD, synced 2026-10-19

Affected

• linux:linux_kernel

References

• https://bugzilla.kernel.org/show_bug.cgi?id=218032#c4
• https://github.com/torvalds/linux/commit/7644b1a1c9a7ae8ab99175989bfc8676055edb46
• https://lists.debian.org/debian-lts-announce/2024/01/msg00005.html
• https://bugzilla.kernel.org/show_bug.cgi?id=218032#c4
• https://github.com/torvalds/linux/commit/7644b1a1c9a7ae8ab99175989bfc8676055edb46

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