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TITLE:
Linux Kernel "tc_fill_tclass()" Information Disclosure

SECUNIA ADVISORY ID:
SA36617

VERIFY ADVISORY:
http://secunia.com/advisories/36617/

DESCRIPTION:
A vulnerability has been reported in the Linux Kernel, which can be
exploited by malicious, local users to disclose potentially sensitive
information.

The vulnerability is caused due to the "tc_fill_tclass()" function in
net/sched/sch_api.c not properly clearing certain structure members
before returning them to userspace, which can be exploited to
disclose kernel memory.

SOLUTION:
Fixed in version 2.6.31-rc9.

PROVIDED AND/OR DISCOVERED BY:
Reported by the vendor.

ORIGINAL ADVISORY:
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commitdiff;h=16ebb5e0b36ceadc8186f71d68b0c4fa4b6e781b
http://www.kernel.org/pub/linux/kernel/v2.6/testing/ChangeLog-2.6.31-rc9

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