The futex_lock_pi function in kernel/futex.c in the Linux kernel before 2.6.33-rc7 does not properly manage a certain reference count, which allows local users to cause a denial of service (OOPS) via vectors involving an unmount of an ext3 filesystem.
http://bugzilla.kernel.org/show_bug.cgi?id=14256
http://lists.opensuse.org/opensuse-security-announce/2010-03/msg00006.html
http://secunia.com/advisories/38922
http://www.kernel.org/pub/linux/kernel/v2.6/testing/ChangeLog-2.6.33-rc7
http://www.mandriva.com/security/advisories?name=MDVSA-2010:088
http://www.openwall.com/lists/oss-security/2010/02/11/2
Published: 2010-02-15
Base Score: 4.9
Vector: CVSS2#AV:L/AC:L/Au:N/C:N/I:N/A:C
Severity: Medium