CVE-2020-27746

NameCVE-2020-27746
DescriptionSlurm before 19.05.8 and 20.x before 20.02.6 exposes Sensitive Information to an Unauthorized Actor because xauth for X11 magic cookies is affected by a race condition in a read operation on the /proc filesystem.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
ReferencesDSA-4841-1
Debian Bugs974722

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
slurm-llnl (PTS)jessie, jessie (lts)14.03.9-5+deb8u5vulnerable
stretch (security), stretch (lts), stretch16.05.9-1+deb9u5fixed
buster, buster (security)18.08.5.2-1+deb10u2fixed
slurm-wlm (PTS)bullseye (security), bullseye20.11.7+really20.11.4-2+deb11u1fixed
bookworm (security), bookworm22.05.8-4+deb12u2fixed
trixie23.11.3-2fixed
sid23.11.4-2fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
slurm-llnlsourcejessie(unfixed)end-of-life
slurm-llnlsourcestretch(not affected)
slurm-llnlsourcebuster18.08.5.2-1+deb10u2DSA-4841-1
slurm-llnlsource(unstable)(unfixed)974722
slurm-wlmsource(unstable)(not affected)

Notes

- slurm-wlm <not-affected> (Fixed with first upload to Debian with renamed source package)
[stretch] - slurm-llnl <not-affected> (Vulnerable code introduced later)
https://www.schedmd.com/news.php?id=240
https://lists.schedmd.com/pipermail/slurm-announce/2020/000045.html
https://github.com/SchedMD/slurm/commit/07309deb45c33e735e191faf9dd31cca1054a15c
slurm-wlm/20.02.6-1 changed the source package name and included the fix
Introduced by: https://github.com/SchedMD/slurm/commit/e3140b7f8d96ced9dc85089caa65dd7c6be396fd (slurm-17-11-0-0rc1)

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