CVE-2013-2146

Severity: medium (CVSS 4.7 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.5% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2013-06-07 · updated 2026-06-16
Weakness: CWE-20

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.

Affected products

Linux kernel: through 3.8.8; 3.8.0, 3.8.1, 3.8.2, 3.8.3, 3.8.4, 3.8.5 (+2)

References

http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=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
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=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

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