National Cyber-Alert System
Vulnerability Summary for CVE-2007-6434
Original release date:12/18/2007
Last revised:11/15/2008
Source:
US-CERT/NIST
Overview
Linux kernel 2.6.23 allows local users to create low pages in virtual userspace memory and bypass mmap_min_addr protection via a crafted executable file that calls the do_brk function.
Impact
CVSS Severity (version 2.0):
Impact Subscore:
2.9
Exploitability Subscore:
3.9
CVSS Version 2 Metrics:
Access Vector: Locally exploitable
Access Complexity: Low
Authentication: Not required to exploit
Impact Type:Allows disruption of serviceUnknown
- Official Statement from Red Hat (09/02/2008)
-
Not vulnerable. This issue did not affect the versions of Linux kernel as shipped with Red Hat Enterprise Linux 2.1, 3, 4, 5 or Red Hat Enterprise MRG.
References to Advisories, Solutions, and Tools
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External Source: VUPEN
Name: ADV-2007-4200
Type: Advisory
External Source: SECUNIA
Name: 28070
Type: Advisory
External Source: OSVDB
Name: 40907
External Source: CONFIRM
Name: http://kernel.org/pub/linux/kernel/v2.6/testing/ChangeLog-2.6.24-rc5
External Source: BID
Name: 26831