CVE-2019-19377

NameCVE-2019-19377
DescriptionIn the Linux kernel 5.0.21, mounting a crafted btrfs filesystem image, performing some operations, and unmounting can lead to a use-after-free in btrfs_queue_work in fs/btrfs/async-thread.c.
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)
ReferencesDLA-2483-1
NVD severitymedium

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
linux (PTS)stretch4.9.228-1vulnerable
stretch (security)4.9.246-2vulnerable
buster, buster (security)4.19.171-2fixed
bullseye5.10.13-1fixed
sid5.10.19-1fixed
linux-4.19 (PTS)stretch (security)4.19.171-2~deb9u1fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
linuxsourcebuster4.19.160-1
linuxsource(unstable)5.6.7-1
linux-4.19sourcestretch4.19.160-2~deb9u1DLA-2483-1

Notes

https://git.kernel.org/linus/b3ff8f1d380e65dddd772542aa9bff6c86bf715a

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