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Linux Kernel Local DoS and Memory Content Disclosure Vulnerabilities
Secunia Advisory: SA13308
Release Date: 2004-11-25
Last Update: 2005-01-19
Popularity: 13,292 views

Critical:
Less critical
Impact: Exposure of sensitive information
DoS
Where: Local system
Solution Status: Unpatched

OS:Linux Kernel 2.4.x
Linux Kernel 2.6.x

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CVE reference:CVE-2004-1074
CVE-2005-0003


Description:
Two vulnerabilities have been reported in the Linux Kernel, which can be exploited by malicious, local users to cause a DoS (Denial of Service) or gain knowledge of potentially sensitive information.

1) An unspecified error can be exploited via a specially crafted a.out binary to cause a DoS. A variant also affects the 64-bit ELF support.

2) A race condition within the memory management can be exploited to disclose the content of random physical memory pages.

Solution:
Secunia is currently not aware of updated versions of the Linux Kernel fixing these vulnerabilities.

Grant only trusted users access to affected systems.

Provided and/or discovered by:
First reported in a SUSE advisory.

Changelog:
2004-12-01: Added CVE reference.
2005-01-19: Added information about variant and added CVE reference.

Original Advisory:
http://www.suse.de/de/security/2004_01_sr.html


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