CVE-2010-4249

Severity: medium (CVSS 4.9 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.9% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2010-11-29 · updated 2026-06-16
Weakness: CWE-400

Description

The wait_for_unix_gc function in net/unix/garbage.c in the Linux kernel before 2.6.37-rc3-next-20101125 does not properly select times for garbage collection of inflight sockets, which allows local users to cause a denial of service (system hang) via crafted use of the socketpair and sendmsg system calls for SOCK_SEQPACKET sockets.

Affected products

Fedoraproject Fedora: 13
Linux kernel: before 2.6.37; 2.6.37, 2.6.37-rc1, 2.6.37-rc2 — fixed in 2.6.37

How to fix

Upgrade to a fixed version: Linux kernel 2.6.37. Check the vendor advisory for mitigations.

References

http://git.kernel.org/?p=linux/kernel/git/davem/net-2.6.git%3Ba=commit%3Bh=9915672d41273f5b77f1b3c29b391ffb7732b84b
http://lists.fedoraproject.org/pipermail/package-announce/2010-December/052513.html
http://lkml.org/lkml/2010/11/23/395
http://lkml.org/lkml/2010/11/23/450
http://lkml.org/lkml/2010/11/25/8
http://marc.info/?l=linux-netdev&m=129059035929046&w=2
http://secunia.com/advisories/42354
http://secunia.com/advisories/42745
http://secunia.com/advisories/42890
http://secunia.com/advisories/42963
http://secunia.com/advisories/46397
http://www.exploit-db.com/exploits/15622/

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