12914 : Linux Kernel Multiprocessor Page Fault Handler Race Condition
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Views This Week	Views All Time	Added to OSVDB	Last Modified	Modified (since 2008)	Percent Complete
4	745	over 8 years ago	about 5 years ago	0 times	90%

Timeline

Disclosure Date
2005-01-13

Description

Linux Kernel contains a flaw that may allow a malicious user to execute arbitrary code with root privileges on multi-processor systems. The issue is caused by the page fault handler and is triggered when two threads, which share the same virtual memory space, request a stack expansion simultaneously. It is possible that the flaw may allow arbitrary code execution resulting in a loss of integrity.

Classification

Location: Local Access Required
Attack Type: Race Condition
Impact: Loss of Integrity
Exploit: Exploit Public

Solution

Currently, there are no known upgrades, patches, or workarounds available to correct this issue.

Products

Linux Kernel Organization, Inc.	Linux Kernel	2.6.10
		2.6.9
		2.6.8
		2.6.7
		2.6.6
		2.6.5
		2.6.4
		2.6.3
		2.6.2
		2.6.1
		2.6.0
		2.4
		2.2

References

Security Tracker: 1012862
SCIP VulDB ID: 1117
Secunia Advisory ID: 13822 13857 13876 13961 13972 14002 20162 20163 20202 20338
CVE ID: 2005-0001 (see also: NVD)
Mail List Post: http://archives.neohapsis.com/archives/fulldisclosure/2005-01/0402.html
http://archives.neohapsis.com/archives/fulldisclosure/2005-01/0446.html
Other Advisory URL: http://www.isec.pl/vulnerabilities/isec-0022-pagefault.txt
http://www.mandrakesoft.com/security/advisories?name=MDKSA-2005:022
http://www.novell.com/linux/security/advisories/2005_03_kernel.html
Vendor URL: http://www.kernel.org/
Vendor Specific Advisory URL: http://www.ubuntulinux.org/support/documentation/usn/usn-60-0
http://www.us.debian.org/security/2006/dsa-1067
http://www.us.debian.org/security/2006/dsa-1069
http://www.us.debian.org/security/2006/dsa-1070
http://www.us.debian.org/security/2006/dsa-1082
http://www.vmware.com/support/kb/enduser/std_adp.php?p_sid=FsNALBWh&p_lva=&p_faqid=1577
RedHat RHSA: RHSA-2005:016

Tools & Filters

	16166 16167 16244 16259 16307 17183 20679

Credit

Paul Starzetz - ihaquerisec.pl - iSEC Security Research

CVSSv2 Score

CVSSv2 Base Score = 6.9
Source: nvd.nist.gov | Generated: 2005-05-13 | Disagree?

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