CVE-2020-12771

NameCVE-2020-12771
DescriptionAn issue was discovered in the Linux kernel through 5.6.11. btree_gc_coalesce in drivers/md/bcache/btree.c has a deadlock if a coalescing operation fails.
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 severitymedium

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
linux (PTS)jessie3.16.56-1+deb8u1vulnerable
jessie (security)3.16.81-1vulnerable
stretch4.9.210-1vulnerable
stretch (security)4.9.189-3+deb9u2vulnerable
buster4.19.118-2vulnerable
buster (security)4.19.98-1+deb10u1vulnerable
bullseye, sid5.6.14-1vulnerable

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
linuxsource(unstable)(unfixed)

Notes

https://lkml.org/lkml/2020/4/26/87

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