CVE-2016-6136

NameCVE-2016-6136
DescriptionRace condition in the audit_log_single_execve_arg function in kernel/auditsc.c in the Linux kernel through 4.7 allows local users to bypass intended character-set restrictions or disrupt system-call auditing by changing a certain string, aka a "double fetch" vulnerability.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SuSE, Mageia, GitHub code/issues, web search, more)
ReferencesDLA-609-1, DSA-3659-1
NVD severitylow (attack range: local)

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
linux (PTS)wheezy3.2.78-1vulnerable
wheezy (security)3.2.93-1fixed
jessie3.16.43-2+deb8u2fixed
jessie (security)3.16.43-2+deb8u5fixed
stretch4.9.51-1fixed
stretch (security)4.9.30-2+deb9u5fixed
buster, sid4.13.4-2fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
linuxsource(unstable)4.7.2-1low
linuxsourcejessie3.16.36-1+deb8u1lowDSA-3659-1
linuxsourcewheezy3.2.81-2lowDLA-609-1

Notes

https://bugzilla.kernel.org/show_bug.cgi?id=120681
https://github.com/linux-audit/audit-kernel/issues/18
Fixed by: https://git.kernel.org/linus/43761473c254b45883a64441dd0bc85a42f3645c (4.8-rc1)

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