CVE-2014-9715

NameCVE-2014-9715
Descriptioninclude/net/netfilter/nf_conntrack_extend.h in the netfilter subsystem in the Linux kernel before 3.14.5 uses an insufficiently large data type for certain extension data, which allows local users to cause a denial of service (NULL pointer dereference and OOPS) via outbound network traffic that triggers extension loading, as demonstrated by configuring a PPTP tunnel in a NAT environment.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SuSE, Mageia, GitHub code/issues, web search, more)
ReferencesDSA-3237-1
NVD severitymedium (attack range: local)
Debian Bugs741667

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
linux (PTS)wheezy3.2.78-1fixed
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
buster4.13.4-1fixed
sid4.13.4-2fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
linuxsource(unstable)3.14.5-1medium741667
linuxsourcejessie3.16.7-ckt9-3~deb8u1mediumDSA-3237-1
linuxsourcewheezy3.2.68-1+deb7u1mediumDSA-3237-1
linux-2.6source(unstable)(not affected)

Notes

- linux-2.6 <not-affected> (Introduced in 3.6)
http://marc.info/?l=netfilter-devel&m=140112364215200&w=2
Fixed by: https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=223b02d923ecd7c84cf9780bb3686f455d279279 (v3.15-rc1)
Introduced by: https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=5b423f6a40a0327f9d40bc8b97ce9be266f74368 (v3.6-rc5)
Introduced in 3.2.x in https://git.kernel.org/cgit/linux/kernel/git/bwh/linux-3.2.y.git/commit/?id=cc1b75d796ad050c83c95733c4220aaa04fa1304 (v3.2.33)
http://www.openwall.com/lists/oss-security/2015/04/08/1

Search for package or bug name: Reporting problems