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.
Metrics
CVSS 2.0 4.9/10
AV:L/AC:L/Au:N/C:N/I:N/A:CWeakness enumeration
Affected software
| Vendor | Product | Versions |
|---|---|---|
| n/a | n/a | n/a |
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/
- 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/
Timeline
- Published
- Dec 24, 2008
- Last modified
- Jun 16, 2026
- NVD status
- Modified