51476 : Linux Kernel on SMP net/sched/sch_generic.c __qdisc_run function Connection Saturation Local DoS
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Timeline

Disclosure Date
2008-12-23

Description

<em style='font-weight:bold;'>(Description Provided by <a href="http://cve.mitre.org/cgi-bin/cvename.cgi?name=2008-5713" target="_blank">CVE</a>)</em> : 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.

Classification

Location: Local Access Required
Attack Type: Denial of Service
Impact: Loss of Availability
Disclosure: Vendor Verified

Products

Unknown or Incomplete

References

CVE ID: 2008-5713 (see also: NVD)
Bugtraq ID: 32985
Secunia Advisory ID: 33706 33858 35011
Vendor Specific News/Changelog Entry: http://git.kernel.org/?p=linux/kernel/git/stable/linux-2.6.27.y.git;a=commit;h=2ba2506ca7ca62c56edaa334b0fe61eb5eab6ab0
http://kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.25
http://lists.debian.org/debian-security-announce/2009/msg00105.html
https://bugzilla.redhat.com/show_bug.cgi?id=477744
https://lists.ubuntu.com/archives/ubuntu-security-announce/2009-January/000833.html
Other Advisory URL: http://openwall.com/lists/oss-security/2008/12/23/1
RedHat RHSA: https://rhn.redhat.com/errata/RHSA-2009-0264.html

Credit

Unknown or Incomplete

CVSSv2 Score

CVSSv2 Base Score = 4.9
Source: nvd.nist.gov | Generated: 2008-12-25 | Disagree?

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