CVE-2022-42703

NameCVE-2022-42703
Descriptionmm/rmap.c in the Linux kernel before 5.19.7 has a use-after-free related to leaf anon_vma double reuse.
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)bullseye (security), bullseye5.10.218-1fixed
bookworm6.1.94-1fixed
bookworm (security)6.1.90-1fixed
trixie6.9.8-1fixed
sid6.9.9-1fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
linuxsourcebuster4.19.260-1
linuxsourcebullseye5.10.140-1
linuxsource(unstable)5.19.11-1

Notes

https://git.kernel.org/linus/2555283eb40df89945557273121e9393ef9b542b (6.0-rc4)
https://bugs.chromium.org/p/project-zero/issues/detail?id=2351
https://googleprojectzero.blogspot.com/2022/12/exploiting-CVE-2022-42703-bringing-back-the-stack-attack.html

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