CVE-2021-42739

NameCVE-2021-42739
DescriptionThe firewire subsystem in the Linux kernel through 5.14.13 has a buffer overflow related to drivers/media/firewire/firedtv-avc.c and drivers/media/firewire/firedtv-ci.c, because avc_ca_pmt mishandles bounds checking.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub code/issues, web search, more)
NVD severitymedium

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
linux (PTS)stretch4.9.228-1vulnerable
stretch (security)4.9.272-2vulnerable
buster4.19.208-1vulnerable
buster (security)4.19.194-3vulnerable
bullseye5.10.70-1vulnerable
bullseye (security)5.10.46-5vulnerable
bookworm5.15.3-1fixed
sid5.15.5-1fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
linuxsource(unstable)5.14.16-1

Notes

https://seclists.org/oss-sec/2021/q2/46
https://lore.kernel.org/linux-media/YHaulytonFcW+lyZ@mwanda/

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