Home / vulnerabilities Secunia Security Advisory 49187
Posted on 22 May 2012
Source : packetstormsecurity.org Link
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TITLE:
Linux Kernel mmap_sem Denial of Service Vulnerability
SECUNIA ADVISORY ID:
SA49187
VERIFY ADVISORY:
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http://secunia.com/advisories/49187/
Customer Area (Credentials Required)
https://ca.secunia.com/?page=viewadvisory&vuln_id=49187
RELEASE DATE:
2012-05-21
DISCUSS ADVISORY:
http://secunia.com/advisories/49187/#comments
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http://secunia.com/advisories/49187/
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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 a race condition error when
holding the mmap_sem lock for reading and can be exploited to cause a
crash.
Successful exploitation requires that a 64-bit system is used.
SOLUTION:
Restrict access to trusted users only.
PROVIDED AND/OR DISCOVERED BY:
Ulrich Obergfell, Red Hat.
ORIGINAL ADVISORY:
http://permalink.gmane.org/gmane.linux.kernel.mm/78590
OTHER REFERENCES:
Further details available in Customer Area:
http://secunia.com/vulnerability_intelligence/
DEEP LINKS:
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EXTENDED DESCRIPTION:
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EXTENDED SOLUTION:
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EXPLOIT:
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