[SA22665] Linux Kernel IPv6 Flow Label Denial of Service

TITLE:
Linux Kernel IPv6 Flow Label Denial of Service

SECUNIA ADVISORY ID:
SA22665

VERIFY ADVISORY:
http://secunia.com/advisories/22665/

CRITICAL:
Not critical

IMPACT:
DoS

WHERE:
Local system

OPERATING SYSTEM:
Linux Kernel 2.6.x
http://secunia.com/product/2719/

DESCRIPTION:
A vulnerability has been reported in the Linux Kernel, which can be
exploited by malicious, local users to cause a DoS (Denial of
Service).

The vulnerability is caused due to an error within the handling of
seqfiles for "/proc/net/ip6_flowlabel", which can be exploited to
cause kernel lockups and crashes via specially crafted flow labels.

SOLUTION:
Fixed in the GIT repository.

PROVIDED AND/OR DISCOVERED BY:
Disclosed in a GIT commit.

ORIGINAL ADVISORY:
http://www.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=bcd620757d3a4ae78ef0ca41adb5d9e400ed92b6

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