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)
ReferencesDLA-3711-1, DSA-5594-1

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
linux (PTS)bullseye5.10.223-1fixed
bullseye (security)5.10.226-1fixed
bookworm6.1.106-3fixed
bookworm (security)6.1.112-1fixed
trixie6.10.11-1fixed
sid6.11.2-1fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
linuxsourcebuster(not affected)
linuxsourcebullseye5.10.205-2DSA-5594-1
linuxsourcebookworm6.1.64-1
linuxsource(unstable)6.5.10-1
linux-5.10sourcebuster5.10.205-2~deb10u1DLA-3711-1

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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