CVE-2013-2146

Public Exploit

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.

Category

4.7
CVSS
Severity: Medium
CVSS 2.0 •
EPSS 0.03%
Vendor Advisory mandriva.com Vendor Advisory redhat.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://bugzilla.redhat.com/show_bug.cgi?id=971309
http://www.mandriva.com/security/advisories?name=MDVSA-2013:176 vendor advisory
https://github.com/torvalds/linux/commit/f1923820c447e986a9da0fc6bf60c1dccdf0408e patch exploit
http://rhn.redhat.com/errata/RHSA-2013-1173.html vendor advisory
http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.8.9
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=f1923820c447e986a9da0fc6bf60c1dccdf0408e
http://www.openwall.com/lists/oss-security/2013/06/05/23 mailing list

Frequently Asked Questions

What is the severity of CVE-2013-2146?
CVE-2013-2146 has been scored as a medium severity vulnerability.
How to fix CVE-2013-2146?
To fix CVE-2013-2146, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2013-2146 being actively exploited in the wild?
It is possible that CVE-2013-2146 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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