Description
Race condition in the install_user_keyrings function in security/keys/process_keys.c in the Linux kernel before 3.8.3 allows local users to cause a denial of service (NULL pointer dereference and system crash) via crafted keyctl system calls that trigger keyring operations in simultaneous threads.
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.ubuntu.com/usn/USN-1796-1 ↗
- http://lists.opensuse.org/opensuse-security-announce/2013-07/msg00018.html ↗
- https://github.com/torvalds/linux/commit/0da9dfdd2cd9889201bc6f6f43580c99165cd087 ↗
- http://www.mandriva.com/security/advisories?name=MDVSA-2013:176 ↗
- http://www.ubuntu.com/usn/USN-1797-1 ↗
- http://www.ubuntu.com/usn/USN-1788-1 ↗
- http://www.openwall.com/lists/oss-security/2013/03/07/1 ↗
- http://www.ubuntu.com/usn/USN-1793-1 ↗
- http://www.ubuntu.com/usn/USN-1792-1 ↗
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=0da9dfdd2cd9889201bc6f6f43580c99165cd087 ↗
- https://bugzilla.redhat.com/show_bug.cgi?id=916646 ↗
- http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.8.3 ↗
- http://www.ubuntu.com/usn/USN-1794-1 ↗
- http://rhn.redhat.com/errata/RHSA-2013-0744.html ↗
- http://www.ubuntu.com/usn/USN-1795-1 ↗
- http://www.ubuntu.com/usn/USN-1787-1 ↗
- http://lists.opensuse.org/opensuse-security-announce/2014-02/msg00002.html ↗
- http://www.ubuntu.com/usn/USN-1798-1 ↗