CVE-2013-7270

Name	CVE-2013-7270
Description	The packet_recvmsg function in net/packet/af_packet.c in the Linux kernel before 3.12.4 updates a certain length value before ensuring that an associated data structure has been initialized, which allows local users to obtain sensitive information from kernel memory via a (1) recvfrom, (2) recvmmsg, or (3) recvmsg system call.
Source	CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)

Vulnerable and fixed packages

The table below lists information on source packages.

Source Package	Release	Version	Status
linux (PTS)	bullseye	5.10.223-1	fixed
	bullseye (security)	5.10.226-1	fixed
	bookworm	6.1.115-1	fixed
	bookworm (security)	6.1.112-1	fixed
	trixie	6.11.7-1	fixed
	sid	6.11.9-1	fixed

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

Package	Type	Release	Fixed Version
linux	source	wheezy	3.2.54-1
linux	source	(unstable)	3.12.6-1
linux-2.6	source	(unstable)	(unfixed)

Notes

[squeeze] - linux-2.6 <no-dsa> (Too intrusive to backport)
upstream fix: https://git.kernel.org/linus/f3d3342602f8bcbf37d7c46641cb9bca7618eb1c
included in https://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.12.4