CVE-2013-4511

NameCVE-2013-4511
DescriptionMultiple integer overflows in Alchemy LCD frame-buffer drivers in the Linux kernel before 3.12 allow local users to create a read-write memory mapping for the entirety of kernel memory, and consequently gain privileges, via crafted mmap operations, related to the (1) au1100fb_fb_mmap function in drivers/video/au1100fb.c and the (2) au1200fb_fb_mmap function in drivers/video/au1200fb.c.
SourceCVE (at NVD; oss-sec, fulldisc, OSVDB, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SuSE, Mageia, more)
ReferencesDSA-2906-1
NVD severitymedium (attack range: local)
Debian/oldstablenot vulnerable.
Debian/stablenot vulnerable.
Debian/testingnot vulnerable.
Debian/unstablenot vulnerable.

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
linux (PTS)wheezy3.2.65-1fixed
wheezy (security)3.2.65-1+deb7u2fixed
jessie3.16.7-ckt4-3fixed
sid3.16.7-ckt7-1fixed
linux-2.6 (PTS)squeeze (security), squeeze2.6.32-48squeeze6fixed
squeeze (lts)2.6.32-48squeeze11fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
linuxsource(unstable)3.11.8-1medium
linuxsourcewheezy3.2.53-1medium
linux-2.6source(unstable)(unfixed)medium
linux-2.6sourcesqueeze2.6.32-48squeeze5mediumDSA-2906-1

Notes

https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=7314e613d

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