CVE-2017-18216

NameCVE-2017-18216
DescriptionIn fs/ocfs2/cluster/nodemanager.c in the Linux kernel before 4.15, local users can cause a denial of service (NULL pointer dereference and BUG) because a required mutex is not used.
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-1369-1, DSA-4187-1, DSA-4188-1
NVD severitylow (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
stretch4.9.130-2fixed
stretch (security)4.9.110-3+deb9u6fixed
buster, sid4.18.20-2fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
linuxsource(unstable)4.15.4-1low
linuxsourcejessie3.16.56-1lowDSA-4187-1
linuxsourcestretch4.9.88-1lowDSA-4188-1
linuxsourcewheezy3.2.101-1lowDLA-1369-1

Notes

Fixed by: https://git.kernel.org/linus/853bc26a7ea39e354b9f8889ae7ad1492ffa28d2

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