Description
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.
References
- USN-914-1 vendor-advisory
- http://www.kernel.org/pub/linux/kernel/v2.6/testing/ChangeLog-2.6.33-rc7
- ADV-2010-0638 vdb-entry
- http://bugzilla.kernel.org/show_bug.cgi?id=14256
- MDVSA-2010:088 vendor-advisory
- 38922 third-party-advisory
- SUSE-SA:2010:018 vendor-advisory
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=5ecb01cfdf96c5f465192bdb2a4fd4a61a24c6cc
- [oss-security] 20100211 Re: CVE request - kernel: futex: Handle user space corruption gracefully mailing-list