CVE-2023-21255

NameCVE-2023-21255
DescriptionIn multiple functions of binder.c, there is a possible memory corruption due to a use after free. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
ReferencesDLA-3623-1, DSA-5480-1

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
sid, trixie6.9.8-1fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
linuxsourcebullseye5.10.191-1DSA-5480-1
linuxsourcebookworm6.1.37-1
linuxsource(unstable)6.3.7-1
linux-5.10sourcebuster5.10.197-1~deb10u1DLA-3623-1

Notes

https://git.kernel.org/linus/bdc1c5fac982845a58d28690cdb56db8c88a530d (6.4-rc4)

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