CVE-2023-46862

NameCVE-2023-46862
DescriptionAn 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.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
linux (PTS)buster4.19.249-2fixed
buster (security)4.19.289-2fixed
bullseye5.10.197-1vulnerable
bullseye (security)5.10.191-1vulnerable
bookworm6.1.64-1fixed
bookworm (security)6.1.52-1vulnerable
trixie, sid6.5.13-1fixed

The information below is based on the following data on fixed versions.

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
linuxsourcebuster(not affected)
linuxsourcebookworm6.1.64-1
linuxsource(unstable)6.5.10-1

Notes

[buster] - linux <not-affected> (Vulnerable code not present)
https://bugzilla.kernel.org/show_bug.cgi?id=218032#c4
https://git.kernel.org/linus/7644b1a1c9a7ae8ab99175989bfc8676055edb46

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