CVE-2013-4470: kernel; UDP Fragmentation Offload (UFO) enabled; denial of service
The Linux kernel before 3.12, when UDP Fragmentation Offload (UFO) is enabled, does not properly initialize certain data structures, which allows local users to cause a denial of service (memory corruption and system crash) or possibly gain privileges via a crafted application that uses the UDP_CORK option in a setsockopt system call and sends both short and long packets, related to the ip_ufo_append_data function in net/ipv4/ip_output.c and the ip6_ufo_append_data function in net/ipv6/ip6_output.c.
•MLIST:[oss-security] 20131025 Re: CVE request: Linux kernel: net:
memory corruption with UDP_CORK and UFO
•URL:http://www.openwall.com/lists/oss-security/2013/10/25/5
•CONFIRM:http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=c547dbf55d5f8cf615ccc0e7265e98db27d3fb8b
•CONFIRM:http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=e93b7d748be887cd7639b113ba7d7ef792a7efb9
•CONFIRM:https://bugzilla.redhat.com/show_bug.cgi?id=1023477
•CONFIRM:https://github.com/torvalds/linux/commit/c547dbf55d5f8cf615ccc0e7265e98db27d3fb8b
•CONFIRM:https://github.com/torvalds/linux/commit/e93b7d748be887cd7639b113ba7d7ef792a7efb9
•CONFIRM:https://www.kernel.org/pub/linux/kernel/v3.x/patch-3.12.bz2
(from redmine: issue id 2303, created on 2013-11-12, closed on 2013-11-18)
- Relations:
- child #2327 (closed)
- child #2328 (closed)
- child #2331 (closed)