CVE-2013-4563

Name	CVE-2013-4563
Description	The udp6_ufo_fragment function in net/ipv6/udp_offload.c in the Linux kernel through 3.12, when UDP Fragmentation Offload (UFO) is enabled, does not properly perform a certain size comparison before inserting a fragment header, which allows remote attackers to cause a denial of service (panic) via a large IPv6 UDP packet, as demonstrated by use of the Token Bucket Filter (TBF) queueing discipline.
Source	CVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, 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)	buster	4.19.249-2	fixed
	buster (security)	4.19.269-1	fixed
	bullseye	5.10.158-2	fixed
	bullseye (security)	5.10.162-1	fixed
	bookworm	6.1.15-1	fixed
	sid	6.1.20-1	fixed

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

Package	Type	Release	Fixed Version
linux	source	wheezy	(not affected)
linux	source	(unstable)	3.11.10-1
linux-2.6	source	(unstable)	(not affected)

Notes

- linux-2.6 <not-affected> (Introduced in v3.10-rc5)
[wheezy] - linux <not-affected> (Introduced in v3.10-rc5)
Introduced: http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=1e2bd517c108816220f262d7954b697af03b5f9c
fixed in: http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=0e033e0