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CVE-2008-5300

4.9 · MEDIUM

Linux kernel 2.6.28 allows local users to cause a denial of service ("soft lockup" and process loss) via a large number of sendmsg function calls, which does not block during AF_UNIX garbage collec…

Published Dec 1, 2008linuxCWE-399EPSS 0.40%

Overview

CVE-2008-5300 is a medium-severity vulnerability affecting linux linux_kernel. It was published on December 1, 2008 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

Linux kernel 2.6.28 allows local users to cause a denial of service ("soft lockup" and process loss) via a large number of sendmsg function calls, which does not block during AF_UNIX garbage collection and triggers an OOM condition, a different vulnerability than CVE-2008-5029.

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

References

Refbugzilla.redhat.com/bugzilla/show_bug.cgi?id=473259Refmarc.info/?l=linux-netdev&m=122721862313564&w=2Refmarc.info/?l=linux-netdev&m=122765505415944&w=2Refosvdb.org/50272Refsecunia.com/advisories/32913Refsecunia.com/advisories/32998Refsecunia.com/advisories/33083Refsecunia.com/advisories/33348Refsecunia.com/advisories/33556Refsecunia.com/advisories/33706

How CyberStrike helps

Frequently asked questions

What is CVE-2008-5300?

CVE-2008-5300 is a medium-severity vulnerability affecting linux linux_kernel. It was published on December 1, 2008 and has a CVSS 2.0 base score of 4.9 (MEDIUM).

How severe is CVE-2008-5300?

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-2008-5300?

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-2008-5300?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2008-5300 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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