CVE-2019-20386

NameCVE-2019-20386
DescriptionAn issue was discovered in button_open in login/logind-button.c in systemd before 243. When executing the udevadm trigger command, a memory leak may occur.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
systemd (PTS)jessie, jessie (lts)215-17+deb8u15vulnerable
stretch (security)232-25+deb9u14vulnerable
stretch (lts), stretch232-25+deb9u17vulnerable
buster, buster (lts)241-7~deb10u11vulnerable
buster (security)241-7~deb10u10vulnerable
bullseye247.3-7+deb11u5fixed
bullseye (security)247.3-7+deb11u6fixed
bookworm252.30-1~deb12u2fixed
sid, trixie256.7-3fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
systemdsourcewheezy(unfixed)end-of-life
systemdsource(unstable)243-5unimportant

Notes

https://github.com/systemd/systemd/commit/b2774a3ae692113e1f47a336a6c09bac9cfb49ad
Negligible security impact, requires root or physical access to plug in a device,
at which point you can just as well DoS the computer with a hammer instead

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