CVE-2011-2525

High

Description

The qdisc_notify function in net/sched/sch_api.c in the Linux kernel before 2.6.35 does not prevent tc_fill_qdisc function calls referencing builtin (aka CQ_F_BUILTIN) Qdisc structures, which allows local users to cause a denial of service (NULL pointer dereference and OOPS) or possibly have unspecified other impact via a crafted call.

SeverityHigh
CVSS7.8
Exploit probability—
ProductLinux Kernel
PublishedFeb 2, 2012
First seenFeb 2, 2012

How to fix

Update
  • linux linux_kernel2.6.35 or later

Affected products

ProductAffected versionsFixed in
linux linux_kernelv < 2.6.352.6.35
redhat enterprise_linux4.0—

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