CVE-2019-18810

NameCVE-2019-18810
DescriptionA memory leak in the komeda_wb_connector_add() function in drivers/gpu/drm/arm/display/komeda/komeda_wb_connector.c in the Linux kernel before 5.3.8 allows attackers to cause a denial of service (memory consumption) by triggering drm_writeback_connector_init() failures, aka CID-a0ecd6fdbf5d.
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 severityhigh

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
linux (PTS)jessie3.16.56-1+deb8u1fixed
jessie (security)3.16.76-1fixed
stretch4.9.189-3fixed
stretch (security)4.9.189-3+deb9u2fixed
buster4.19.67-2+deb10u1fixed
buster (security)4.19.67-2+deb10u2fixed
bullseye5.2.17-1vulnerable
sid5.3.9-2fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
linuxsource(unstable)5.3.9-1unimportant
linuxsourcebuster(not affected)
linuxsourcejessie(not affected)
linuxsourcestretch(not affected)

Notes

[buster] - linux <not-affected> (Bug introduced later)
[stretch] - linux <not-affected> (Bug introduced later)
[jessie] - linux <not-affected> (Bug introduced later)
https://git.kernel.org/linus/a0ecd6fdbf5d648123a7315c695fb6850d702835
CONFIG_DRM_KOMEDA not enabled in Debian builds.

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