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(Vulnerability Assessment Remediation Management)  

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TITLE:
Linux Kernel Denial of Service and Privilege Escalation

SECUNIA ADVISORY ID:
SA36763

VERIFY ADVISORY:
http://secunia.com/advisories/36763/

DESCRIPTION:
Some vulnerabilities have been reported in the Linux Kernel, which
can be exploited by malicious, local users to gain escalated
privileges and by malicious people to cause a DoS (Denial of
Service).

1) An error exists within the "find_ie()" function in
net/wireless/scan.c, which can be exploited to trigger an infinite
loop by sending specially crafted packets.

Note: This does not affect versions prior to 2.6.30.

2) A boundary error within the "perf_copy_attr()" function in
kernel/perf_counter.c can be exploited to cause a buffer overflow by
e.g. passing specially crafted data via the "perf_counter_open()"
syscall.

Note: This does not affect versions prior to 2.6.31.

SOLUTION:
Fixed in the GIT repository.

PROVIDED AND/OR DISCOVERED BY:
1) Bob Copeland
2) Xiao Guangrong

ORIGINAL ADVISORY:
1)
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commitdiff;h=fcc6cb0c13555e78c2d47257b6d1b5e59b0c419a
2)
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commitdiff;h=b3e62e35058fc744ac794611f4e79bcd1c5a4b83

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