CVE-2019-20806

NameCVE-2019-20806
DescriptionAn issue was discovered in the Linux kernel before 5.2. There is a NULL pointer dereference in tw5864_handle_frame() in drivers/media/pci/tw5864/tw5864-video.c, which may cause denial of service, aka CID-2e7682ebfc75.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
ReferencesDLA-2242-1, DSA-4698-1

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
linux (PTS)buster4.19.249-2fixed
buster (security)4.19.304-1fixed
bullseye5.10.209-2fixed
bullseye (security)5.10.205-2fixed
bookworm6.1.76-1fixed
bookworm (security)6.1.85-1fixed
trixie6.6.15-2fixed
sid6.7.9-2fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
linuxsourcejessie(not affected)
linuxsourcestretch4.9.210-1+deb9u1DSA-4698-1
linuxsourcebuster4.19.118-1
linuxsource(unstable)5.2.6-1
linux-4.9sourcejessie4.9.210-1+deb9u1~deb8u1DLA-2242-1

Notes

[jessie] - linux <not-affected> (Vulnerable code introduced later)
https://git.kernel.org/linus/2e7682ebfc750177a4944eeb56e97a3f05734528

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