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, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
ReferencesDLA-2323-1, DLA-2420-1

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
linux (PTS)bullseye5.10.218-1fixed
bullseye (security)5.10.221-1fixed
bookworm6.1.94-1fixed
bookworm (security)6.1.99-1fixed
trixie6.9.8-1fixed
sid6.9.9-1fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
linuxsourcestretch4.9.240-1DLA-2420-1
linuxsourcebuster4.19.131-1
linuxsource(unstable)5.7.6-1
linux-4.19sourcestretch4.19.132-1~deb9u2DLA-2323-1

Notes

https://lkml.org/lkml/2020/4/26/87
https://git.kernel.org/linus/be23e837333a914df3f24bf0b32e87b0331ab8d1 (5.8-rc2)

Search for package or bug name: Reporting problems