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CVE-2013-2636

1.9 · 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.

Published Mar 22, 2013linuxCWE-399EPSS 0.36%

Overview

CVE-2013-2636 is a low-severity vulnerability affecting linux linux_kernel. It was published on March 22, 2013 and has a CVSS 2.0 base score of 1.9 (LOW).

This vulnerability has a CVSS 2.0 base score of 1.9, rated LOW. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.

Technical description

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.

Remediation

Check the references section for vendor advisories and patches from linux. Update linux_kernel to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

Affected products

VendorProductVersionsStatus
linuxlinux_kernel0Affected

References

Refgit.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=c085c49920b2f900ba716b4ca1c1a55ece9872ccRefwww.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.8.4Refwww.openwall.com/lists/oss-security/2013/03/20/1Refbugzilla.redhat.com/show_bug.cgi?id=923652GitHubgithub.com/torvalds/linux/commit/c085c49920b2f900ba716b4ca1c1a55ece9872ccRefgit.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=c085c49920b2f900ba716b4ca1c1a55ece9872ccRefwww.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.8.4Refwww.openwall.com/lists/oss-security/2013/03/20/1Refbugzilla.redhat.com/show_bug.cgi?id=923652GitHubgithub.com/torvalds/linux/commit/c085c49920b2f900ba716b4ca1c1a55ece9872cc

How CyberStrike helps

Frequently asked questions

What is CVE-2013-2636?

CVE-2013-2636 is a low-severity vulnerability affecting linux linux_kernel. It was published on March 22, 2013 and has a CVSS 2.0 base score of 1.9 (LOW).

How severe is CVE-2013-2636?

This vulnerability has a CVSS 2.0 base score of 1.9, rated LOW. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2013-2636?

Check the references section for vendor advisories and patches from linux. Update linux_kernel to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2013-2636?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2013-2636 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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