A vulnerability has been reported in Linux Kernel, which can be exploited by malicious, local users to cause a DoS (Denial of Service).
A race condition error within the "install_user_keyrings()" function (security/keys/process_keys.c) when the "uid" and "uid-session" are not created can be exploited to dereference a NULL-pointer and cause a crash.
The vulnerability is reported in versions prior to 188.8.131.52 and 3.8.3.
Solution: Update to version 184.108.40.206 or 3.8.3.
Provided and/or discovered by: The vendor credits Mateusz Guzik, Red Hat.
Original Advisory: https://www.kernel.org/pub/linux/kernel/v2.6/longterm/v2.6.32/ChangeLog-220.127.116.11
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Subject: Linux Kernel "install_user_keyrings()" Race Condition Vulnerability
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