CVE-2014-4943

NameCVE-2014-4943
DescriptionThe PPPoL2TP feature in net/l2tp/l2tp_ppp.c in the Linux kernel through 3.15.6 allows local users to gain privileges by leveraging data-structure differences between an l2tp socket and an inet socket.
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-103-1, DSA-2992-1
NVD severitymedium

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
linux (PTS)stretch4.9.228-1fixed
stretch (security)4.9.210-1+deb9u1fixed
buster4.19.146-1fixed
buster (security)4.19.152-1fixed
bullseye, sid5.9.1-1fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
linuxsourcewheezy3.2.60-1+deb7u3DSA-2992-1
linuxsource(unstable)3.14.13-1
linux-2.6sourcesqueeze2.6.32-48squeeze9DLA-103-1
linux-2.6source(unstable)(unfixed)

Notes

upstream commit: https://git.kernel.org/linus/3cf521f7dc87c031617fd47e4b7aa2593c2f3daf

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