CVE-2018-14617

NameCVE-2018-14617
DescriptionAn issue was discovered in the Linux kernel through 4.17.10. There is a NULL pointer dereference and panic in hfsplus_lookup() in fs/hfsplus/dir.c when opening a file (that is purportedly a hard link) in an hfs+ filesystem that has malformed catalog data, and is mounted read-only without a metadata directory.
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-1529-1, DLA-1531-1, DSA-4308-1
NVD severityhigh (attack range: remote)

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
linux (PTS)jessie3.16.56-1+deb8u1vulnerable
jessie (security)3.16.59-1fixed
stretch4.9.130-2fixed
stretch (security)4.9.110-3+deb9u6fixed
buster4.18.20-2fixed
sid4.19.9-1fixed
linux-4.9 (PTS)jessie (security)4.9.110-3+deb9u5~deb8u1fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
linuxsource(unstable)4.18.8-1high
linuxsourcejessie3.16.59-1highDLA-1529-1
linuxsourcestretch4.9.110-3+deb9u5highDSA-4308-1
linux-4.9sourcejessie4.9.110-3+deb9u5~deb8u1highDLA-1531-1

Notes

https://bugzilla.kernel.org/show_bug.cgi?id=200297
https://www.spinics.net/lists/linux-fsdevel/msg130021.html

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