CVE-2008-5713

Severity: medium (CVSS 4.9 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.7% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2008-12-24 · updated 2026-06-16
Weakness: CWE-399

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.

Affected products

Linux kernel: through 2.6.24.7; 2.6, 2.6.0, 2.6.1, 2.6.2, 2.6.10, 2.6.11 (+228)

References

http://git.kernel.org/?p=linux/kernel/git/stable/linux-2.6.27.y.git%3Ba=commit%3Bh=2ba2506ca7ca62c56edaa334b0fe61eb5eab6ab0
http://kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.25
http://openwall.com/lists/oss-security/2008/12/23/1
http://rhn.redhat.com/errata/RHSA-2009-0264.html
http://secunia.com/advisories/33706
http://secunia.com/advisories/33858
http://secunia.com/advisories/35011
http://www.debian.org/security/2009/dsa-1794
http://www.securityfocus.com/bid/32985
https://bugzilla.redhat.com/show_bug.cgi?id=477744
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9385
https://usn.ubuntu.com/714-1/

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