CVE-2018-11412

NameCVE-2018-11412
DescriptionIn the Linux kernel 4.13 through 4.16.11, ext4_read_inline_data() in fs/ext4/inline.c performs a memcpy with an untrusted length value in certain circumstances involving a crafted filesystem that stores the system.data extended attribute value in a dedicated inode.
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)

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
linux (PTS)jessie3.16.51-2fixed
jessie (security)3.16.56-1+deb8u1fixed
stretch4.9.82-1+deb9u3fixed
stretch (security)4.9.88-1+deb9u1fixed
buster4.16.12-1vulnerable
sid4.16.16-1vulnerable

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
linuxsource(unstable)(unfixed)
linuxsourcejessie(not affected)
linuxsourcestretch(not affected)
linuxsourcewheezy(not affected)

Notes

[stretch] - linux <not-affected> (Introduced in e50e5129f384 in 4.13)
[jessie] - linux <not-affected> (Introduced in e50e5129f384 in 4.13)
[wheezy] - linux <not-affected> (Introduced in e50e5129f384 in 4.13)
https://bugs.chromium.org/p/project-zero/issues/detail?id=1580
https://bugzilla.kernel.org/show_bug.cgi?id=199803
Fixed by: https://git.kernel.org/linus/117166efb1ee8f13c38f9e96b258f16d4923f888

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