CVE-2021-33655

NameCVE-2021-33655
DescriptionWhen sending malicous data to kernel by ioctl cmd FBIOPUT_VSCREENINFO,kernel will write memory out of bounds.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
ReferencesDLA-3131-1, DSA-5191-1

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
linux (PTS)buster4.19.249-2vulnerable
buster (security)4.19.304-1fixed
bullseye5.10.209-2fixed
bullseye (security)5.10.218-1fixed
bookworm6.1.76-1fixed
bookworm (security)6.1.90-1fixed
trixie6.7.12-1fixed
sid6.8.12-1fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
linuxsourcebuster4.19.260-1DLA-3131-1
linuxsourcebullseye5.10.127-2DSA-5191-1
linuxsource(unstable)5.18.14-1

Notes

https://git.kernel.org/linus/65a01e601dbba8b7a51a2677811f70f783766682 (5.19-rc7)
https://git.kernel.org/linus/e64242caef18b4a5840b0e7a9bff37abd4f4f933 (5.19-rc7)
https://git.kernel.org/linus/6c11df58fd1ac0aefcb3b227f72769272b939e56 (5.19-rc7)

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