CVE-2018-5344

NameCVE-2018-5344
DescriptionIn the Linux kernel through 4.14.13, drivers/block/loop.c mishandles lo_release serialization, which allows attackers to cause a denial of service (__lock_acquire use-after-free) or possibly have unspecified other impact.
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 (attack range: local)

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
linux (PTS)jessie3.16.56-1+deb8u1fixed
jessie (security)3.16.59-1fixed
stretch4.9.110-1fixed
stretch (security)4.9.110-3+deb9u6fixed
buster, sid4.18.10-2fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
linuxsource(unstable)4.14.17-1medium
linuxsourcejessie(not affected)
linuxsourcestretch4.9.80-1medium
linuxsourcewheezy(not affected)

Notes

[jessie] - linux <not-affected> (Vulnerability introduced later)
[wheezy] - linux <not-affected> (Vulnerability introduced later)
Fixed by: https://git.kernel.org/linus/ae6650163c66a7eff1acd6eb8b0f752dcfa8eba5

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