CVE-2015-2830

NameCVE-2015-2830
Descriptionarch/x86/kernel/entry_64.S in the Linux kernel before 3.19.2 does not prevent the TS_COMPAT flag from reaching a user-mode task, which might allow local users to bypass the seccomp or audit protection mechanism via a crafted application that uses the (1) fork or (2) close system call, as demonstrated by an attack against seccomp before 3.16.
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-246-1, DSA-3237-1
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)3.16.7-ckt9-1low
linuxsourcejessie3.16.7-ckt9-3~deb8u1lowDSA-3237-1
linuxsourcewheezy3.2.68-1+deb7u1lowDSA-3237-1
linux-2.6source(unstable)(unfixed)low
linux-2.6sourcesqueeze2.6.32-48squeeze12lowDLA-246-1

Notes

Upstream commit: https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=956421fbb74c3a6261903f3836c0740187cf038b (v4.0-rc3)
http://www.openwall.com/lists/oss-security/2015/04/02/1

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