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CVE-2008-5713

4.9 · MEDIUM

The __qdisc_run function in net/sched/sch_generic.c in the Linux kernel before 2.6.25 on SMP machines allows local users to cause a denial of service (soft lockup) by sending a large amount of netw…

Published Dec 24, 2008linuxCWE-399EPSS 0.74%

Overview

CVE-2008-5713 is a medium-severity vulnerability affecting linux linux_kernel. It was published on December 24, 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

The __qdisc_run function in net/sched/sch_generic.c in the Linux kernel before 2.6.25 on SMP machines allows local users to cause a denial of service (soft lockup) by sending a large amount of network traffic, as demonstrated by multiple simultaneous invocations of the Netperf benchmark application in UDP_STREAM mode.

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/stable/linux-2.6.27.y.git%3Ba=commit%3Bh=2ba2506ca7ca62c56edaa334b0fe61eb5eab6ab0Refkernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.25Refopenwall.com/lists/oss-security/2008/12/23/1Refrhn.redhat.com/errata/RHSA-2009-0264.htmlRefsecunia.com/advisories/33706Refsecunia.com/advisories/33858Refsecunia.com/advisories/35011Refwww.debian.org/security/2009/dsa-1794Refwww.securityfocus.com/bid/32985Refbugzilla.redhat.com/show_bug.cgi?id=477744

How CyberStrike helps

Frequently asked questions

What is CVE-2008-5713?

CVE-2008-5713 is a medium-severity vulnerability affecting linux linux_kernel. It was published on December 24, 2008 and has a CVSS 2.0 base score of 4.9 (MEDIUM).

How severe is CVE-2008-5713?

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-2008-5713?

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-2008-5713?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2008-5713 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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