CVE-2022-20572

NameCVE-2022-20572
DescriptionIn verity_target of dm-verity-target.c, there is a possible way to modify read-only files due to a missing permission check. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android kernelAndroid ID: A-234475629References: Upstream kernel
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, 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)4.19.269-1fixed
bullseye5.10.158-2fixed
bullseye (security)5.10.162-1fixed
bookworm, sid6.1.8-1fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
linuxsourcebuster4.19.249-1
linuxsourcebullseye5.10.120-1
linuxsource(unstable)5.18.2-1

Notes

https://git.kernel.org/linus/4caae58406f8ceb741603eee460d79bacca9b1b5

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