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CVE-2013-4516

4.9 · MEDIUM

The mp_get_count function in drivers/staging/sb105x/sb_pci_mp.c in the Linux kernel before 3.12 does not initialize a certain data structure, which allows local users to obtain sensitive informatio…

Published Nov 12, 2013linuxCWE-200EPSS 0.53%

Overview

CVE-2013-4516 is a medium-severity vulnerability affecting linux linux_kernel. It was published on November 12, 2013 and has a CVSS 2.0 base score of 4.9 (MEDIUM).

This vulnerability has a CVSS 2.0 base score of 4.9, rated MEDIUM. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.

Technical description

The mp_get_count function in drivers/staging/sb105x/sb_pci_mp.c in the Linux kernel before 3.12 does not initialize a certain data structure, which allows local users to obtain sensitive information from kernel stack memory via a TIOCGICOUNT ioctl call.

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=a8b33654b1e3b0c74d4a1fed041c9aae50b3c427Refwww.openwall.com/lists/oss-security/2013/11/04/22Refwww.ubuntu.com/usn/USN-2069-1Refwww.ubuntu.com/usn/USN-2070-1Refwww.ubuntu.com/usn/USN-2073-1Refwww.ubuntu.com/usn/USN-2075-1GitHubgithub.com/torvalds/linux/commit/a8b33654b1e3b0c74d4a1fed041c9aae50b3c427Refwww.kernel.org/pub/linux/kernel/v3.x/patch-3.12.bz2Refgit.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=a8b33654b1e3b0c74d4a1fed041c9aae50b3c427Refwww.openwall.com/lists/oss-security/2013/11/04/22

How CyberStrike helps

Frequently asked questions

What is CVE-2013-4516?

CVE-2013-4516 is a medium-severity vulnerability affecting linux linux_kernel. It was published on November 12, 2013 and has a CVSS 2.0 base score of 4.9 (MEDIUM).

How severe is CVE-2013-4516?

This vulnerability has a CVSS 2.0 base score of 4.9, rated MEDIUM. 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-2013-4516?

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-2013-4516?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2013-4516 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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