CVE-2013-2146 Information

Description

arch/x86/kernel/cpu/perf_event_intel.c in the Linux kernel before 3.8.9 when the Performance Events Subsystem is enabled specifies an incorrect bitmask which allows local users to cause a denial of service (general protection fault and system crash) by attempting to set a reserved bit.

Reference

http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=f1923820c447e986a9da0fc6bf60c1dccdf0408e http://rhn.redhat.com/errata/RHSA-2013-1173.html http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.8.9 http://www.mandriva.com/security/advisories?name=MDVSA-2013:176 http://www.openwall.com/lists/oss-security/2013/06/05/23 https://bugzilla.redhat.com/show_bug.cgi?id=971309 https://github.com/torvalds/linux/commit/f1923820c447e986a9da0fc6bf60c1dccdf0408e