Home / vulnerabilities Secunia Security Advisory 44986
Posted on 22 June 2011
Source : packetstormsecurity.org Link
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Frost & Sullivan 2011 Report: Secunia Vulnerability Research
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TITLE:
Linux Kernel Transparent Hugepage Support Denial of Service Weakness
SECUNIA ADVISORY ID:
SA44986
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RELEASE DATE:
2011-06-21
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http://secunia.com/advisories/44986/
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DESCRIPTION:
A weakness has been reported in the Linux Kernel, which can be
exploited by malicious, local users to cause a DoS (Denial of
Service).
The weakness is caused due to an error within the Transparent
Hugepage (THP) support in mm/huge_memory.c when MADV_HUGEPAGE regions
are configured and can be exploited to cause a kernel panic.
The weakness is reported in version 2.6.39.1. Other versions may also
be affected.
SOLUTION:
Fixed in the GIT repository.
PROVIDED AND/OR DISCOVERED BY:
Reported by Caspar Zhang in a bug report.
ORIGINAL ADVISORY:
Caspar Zhang:
https://bugzilla.kernel.org/show_bug.cgi?id=33682
GIT commit:
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=78f11a255749d09025f54d4e2df4fbcb031530e2
OTHER REFERENCES:
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EXPLOIT:
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