National Cyber-Alert System
Vulnerability Summary for CVE-2008-5713
Original release date:12/24/2008
Last revised:05/13/2009
Source:
US-CERT/NIST
Overview
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.
Impact
CVSS Severity (version 2.0):
Impact Subscore:
6.9
Exploitability Subscore:
3.9
CVSS Version 2 Metrics:
Access Vector: Locally exploitable
Access Complexity: Low
Authentication: Not required to exploit
Impact Type:Allows disruption of serviceUnknown
- Official Statement from Red Hat (02/11/2009)
-
This issue did not affect the versions of Linux kernel as shipped with Red Hat Enterprise Linux 2.1, 3, 4, and Red Hat Enterprise MRG. It was addressed in Red Hat Enterprise Linux 5 via: https://rhn.redhat.com/errata/RHSA-2009-0264.html
References to Advisories, Solutions, and Tools
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External Source: CONFIRM
Name: https://bugzilla.redhat.com/show_bug.cgi?id=477744
External Source: UBUNTU
Name: USN-714-1
External Source: BID
Name: 32985
External Source: DEBIAN
Name: DSA-1794
External Source: SECUNIA
Name: 35011
External Source: SECUNIA
Name: 33858
External Source: SECUNIA
Name: 33706
External Source: REDHAT
Name: RHSA-2009:0264
External Source: MLIST
Name: [oss-security] 20081223 CVE request: kernel: soft lockup occurs when network load is very high
External Source: CONFIRM
Name: http://kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.25
External Source: CONFIRM
Name: http://git.kernel.org/?p=linux/kernel/git/stable/linux-2.6.27.y.git;a=commit;h=2ba2506ca7ca62c56edaa334b0fe61eb5eab6ab0