National Cyber-Alert System
Vulnerability Summary for CVE-2008-0009
Original release date:02/12/2008
Last revised:09/05/2008
Source:
US-CERT/NIST
Overview
The vmsplice_to_user function in fs/splice.c in the Linux kernel 2.6.22 through 2.6.24 does not validate a certain userspace pointer before dereference, which might allow local users to access arbitrary kernel memory locations.
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 unauthorized disclosure of information
- Official Statement from Red Hat (02/13/2008)
-
Not vulnerable. This issue did not affect the versions of the Linux kernel as shipped with Red Hat Enterprise Linux 2.1, 3, 4, or 5.
References to Advisories, Solutions, and Tools
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External Source: CONFIRM
Name: https://bugzilla.redhat.com/show_bug.cgi?id=431206
External Source: CONFIRM
Name: http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.24.1
External Source: MISC
Name: http://isec.pl/vulnerabilities/isec-0026-vmsplice_to_kernel.txt
External Source: FEDORA
Name: FEDORA-2008-1423
External Source: FEDORA
Name: FEDORA-2008-1422
External Source: BID
Name: 27799
External Source: BID
Name: 27704
External Source: BUGTRAQ
Name: 20080212 CSA-L03: Linux kernel vmsplice unchecked user-pointer dereference
External Source: VUPEN
Name: ADV-2008-0487
External Source: SECUNIA
Name: 28896
External Source: SECUNIA
Name: 28835