Description
The __skb_recv_datagram function in net/core/datagram.c in the Linux kernel before 3.8 does not properly handle the MSG_PEEK flag with zero-length data, which allows local users to cause a denial of service (infinite loop and system hang) via a crafted application.
Affected products
Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.
n/a n/a
n/aaffected
References
- http://www.mandriva.com/security/advisories?name=MDVSA-2013:176 ↗
- https://bugzilla.redhat.com/show_bug.cgi?id=911473 ↗
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=77c1090f94d1b0b5186fb13a1b71b47b1343f87f ↗
- https://github.com/torvalds/linux/commit/77c1090f94d1b0b5186fb13a1b71b47b1343f87f ↗
- http://www.kernel.org/pub/linux/kernel/v3.x/patch-3.8.bz2 ↗
- http://www.openwall.com/lists/oss-security/2013/02/15/2 ↗
- http://lists.opensuse.org/opensuse-security-announce/2013-06/msg00017.html ↗
- http://lists.opensuse.org/opensuse-security-announce/2013-06/msg00009.html ↗