What is CVE-2013-2146?

CVE-2013-2146 is a Medium severity Linux kernel vulnerability with a CVSS score of 4.7 out of 10, classified as a Improper Input Validation flaw (CWE-20). CVE-2013-2146 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is the CVSS score for CVE-2013-2146?

CVE-2013-2146 has a CVSS score of 4.7 out of 10, rated Medium severity. The vector string is AV:L/AC:M/Au:N/C:N/I:N/A:C.

Is there a patch available for CVE-2013-2146?

No patch is currently available for CVE-2013-2146. Monitor the NIST NVD and your Linux distribution's security advisories for updates.

Is CVE-2013-2146 actively exploited?

CVE-2013-2146 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

CVE-2013-2146

Medium

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.

Package Linux Kernel

Published 2013-06-07

Last modified 2026-04-29

CVSS version 2.0

Patch available

Awaiting data

CVSS 2.0 score

4.7

out of 10

Medium

Attack Vector

Local

Attack Complexity

Privileges Required

User Interaction

Scope

Confidentiality

None

Integrity

None

Availability

Vector string

AV:L/AC:M/Au:N/C:N/I:N/A:C

Weakness type

CWE-20

CVE-2013-2146 is a Improper Input Validation vulnerability

What is Improper Input Validation?

The product receives input but does not validate it correctly, allowing attackers to craft inputs that cause unexpected behavior. Learn more on MITRE CWE

References

The following references provide additional information about CVE-2013-2146 including vendor advisories, patch commits, exploit details, and third-party analysis. Links are sourced from the NIST NVD database.

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

Details

CVE ID CVE-2013-2146

Severity Medium

CVSS score 4.7 / 10

CVSS version 2.0

Published 2013-06-07

Modified 2026-04-29

KEV No

Patch Awaiting data

Package linux

Frequently asked questions

What is CVE-2013-2146?

CVE-2013-2146 is a Medium severity Linux kernel vulnerability with a CVSS score of 4.7 out of 10 , classified as an Improper Input Validation flaw (CWE-20) . CVE-2013-2146 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
What is the CVSS score for CVE-2013-2146?

CVE-2013-2146 has a CVSS score of 4.7 out of 10, rated Medium severity (CVSS 2.0). The vector string is AV:L/AC:M/Au:N/C:N/I:N/A:C.
Is there a patch available for CVE-2013-2146?

No patch is currently available for CVE-2013-2146. Monitor the NIST NVD and your Linux distribution's security advisories for updates.
Is CVE-2013-2146 actively exploited?

No — CVE-2013-2146 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.
What is Improper Input Validation (CWE-20)?

The product receives input but does not validate it correctly, allowing attackers to craft inputs that cause unexpected behavior. View CWE-20 on MITRE CWE →