What is CVE-2013-2636?

CVE-2013-2636 is a Low severity Linux kernel vulnerability with a CVSS score of 1.9 out of 10. CVE-2013-2636 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is the CVSS score for CVE-2013-2636?

CVE-2013-2636 has a CVSS score of 1.9 out of 10, rated Low severity. The vector string is AV:L/AC:M/Au:N/C:P/I:N/A:N.

Is there a patch available for CVE-2013-2636?

No patch is currently available for CVE-2013-2636. Monitor the NIST NVD and your Linux distribution's security advisories for updates.

Is CVE-2013-2636 actively exploited?

CVE-2013-2636 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

CVE-2013-2636

Low

net/bridge/br_mdb.c in the Linux kernel before 3.8.4 does not initialize certain structures, which allows local users to obtain sensitive information from kernel memory via a crafted application.

Package Linux Kernel

Published 2013-03-22

Last modified 2026-04-29

CVSS version 2.0

Patch available

Awaiting data

CVSS 2.0 score

1.9

out of 10

Low

Attack Vector

Local

Attack Complexity

Privileges Required

User Interaction

Scope

Confidentiality

Integrity

None

Availability

None

Vector string

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

Weakness type

CWE-399

CVE-2013-2636 is classified as CWE-399

See CWE-399 on MITRE CWE for full details on this weakness type.

References

The following references provide additional information about CVE-2013-2636 including vendor advisories, patch commits, exploit details, and third-party analysis. Links are sourced from the NIST NVD database.

Kernel.org
http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.8.4
Openwall
http://www.openwall.com/lists/oss-security/2013/03/20/1
Red Hat
https://bugzilla.redhat.com/show_bug.cgi?id=923652
Kernel patch commit
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=c085c49920b2f900ba716b4ca1c1a55ece9872cc
Patch
Kernel patch commit
https://github.com/torvalds/linux/commit/c085c49920b2f900ba716b4ca1c1a55ece9872cc
Patch

Details

CVE ID CVE-2013-2636

Severity Low

CVSS score 1.9 / 10

CVSS version 2.0

Published 2013-03-22

Modified 2026-04-29

KEV No

Patch Awaiting data

Package linux

Frequently asked questions

What is CVE-2013-2636?

CVE-2013-2636 is a Low severity Linux kernel vulnerability with a CVSS score of 1.9 out of 10 . CVE-2013-2636 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
What is the CVSS score for CVE-2013-2636?

CVE-2013-2636 has a CVSS score of 1.9 out of 10, rated Low severity (CVSS 2.0). The vector string is AV:L/AC:M/Au:N/C:P/I:N/A:N.
Is there a patch available for CVE-2013-2636?

No patch is currently available for CVE-2013-2636. Monitor the NIST NVD and your Linux distribution's security advisories for updates.
Is CVE-2013-2636 actively exploited?

No — CVE-2013-2636 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.