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, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
ReferencesDLA-2843-1, DLA-2941-1, DSA-5096-1

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
linuxsourcestretch4.9.290-1DLA-2843-1
linuxsourcebuster4.19.232-1DSA-5096-1
linuxsourcebullseye5.10.84-1
linuxsource(unstable)5.14.16-1
linux-4.19sourcestretch4.19.232-1~deb9u1DLA-2941-1

Notes

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

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