CVE-2018-13096

NameCVE-2018-13096
DescriptionAn issue was discovered in fs/f2fs/super.c in the Linux kernel through 4.17.3. A denial of service (out-of-bounds memory access and BUG) can occur upon encountering an abnormal bitmap size when mounting a crafted f2fs image.
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-1715-1
NVD severitymedium (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)3.16.72-1vulnerable
stretch4.9.168-1fixed
stretch (security)4.9.168-1+deb9u5fixed
buster4.19.37-5fixed
buster (security)4.19.37-5+deb10u2fixed
bullseye4.19.37-6fixed
sid5.2.7-1fixed
linux-4.9 (PTS)jessie (security)4.9.168-1+deb9u5~deb8u1vulnerable

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
linuxsource(unstable)4.19.9-1medium
linuxsourcestretch4.9.144-1medium
linux-4.9sourcejessie(unfixed)medium

Notes

[jessie] - linux <ignored> (Hard to backport and low priority outside of Android)
https://bugzilla.kernel.org/show_bug.cgi?id=200167
https://git.kernel.org/pub/scm/linux/kernel/git/chao/linux.git/commit/?h=f2fs-dev&id=e335cc683fd13882b9152937b06ff3c16c28aa34

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