National Cyber-Alert System
Vulnerability Summary for CVE-2008-2137
Original release date:05/29/2008
Last revised:03/13/2009
Source:
US-CERT/NIST
Overview
The (1) sparc_mmap_check function in arch/sparc/kernel/sys_sparc.c and the (2) sparc64_mmap_check function in arch/sparc64/kernel/sys_sparc.c, in the Linux kernel 2.4 before 2.4.36.5 and 2.6 before 2.6.25.3, omit some virtual-address range (aka span) checks when the mmap MAP_FIXED bit is not set, which allows local users to cause a denial of service (panic) via unspecified mmap calls.
Impact
CVSS Severity (version 2.0):
Impact Subscore:
6.4
Exploitability Subscore:
3.4
CVSS Version 2 Metrics:
Access Vector: Locally exploitable
Access Complexity: Medium
Authentication: Not required to exploit
Impact Type:Provides unauthorized access, Allows partial confidentiality, integrity, and availability violation; Allows unauthorized disclosure of information; Allows disruption of service
- Official Statement from Red Hat (07/02/2008)
-
Not vulnerable. Red Hat Enterprise Linux 2.1, 3, 4, and 5 do not ship for the SPARC architecture.
References to Advisories, Solutions, and Tools
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External Source: VUPEN
Name: ADV-2008-1716
External Source: UBUNTU
Name: USN-625-1
External Source: BID
Name: 29397
External Source: CONFIRM
Name: http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.25.3
External Source: CONFIRM
Name: http://www.kernel.org/pub/linux/kernel/v2.4/ChangeLog-2.4.36.5
External Source: DEBIAN
Name: DSA-1588
External Source: SECUNIA
Name: 31107
External Source: SECUNIA
Name: 30499
External Source: SECUNIA
Name: 30368
Type: Advisory
External Source: MLIST
Name: [git-commits-head] 20080507 sparc: Fix mmap VA span checking.
