National Cyber-Alert System
Vulnerability Summary for CVE-2009-2584
Original release date:07/23/2009
Last revised:07/24/2009
Source:
US-CERT/NIST
Overview
Off-by-one error in the options_write function in drivers/misc/sgi-gru/gruprocfs.c in the SGI GRU driver in the Linux kernel 2.6.30.2 and earlier on ia64 and x86 platforms might allow local users to overwrite arbitrary memory locations and gain privileges via a crafted count argument, which triggers a stack-based buffer overflow.
Impact
CVSS Severity (version 2.0):
Impact Subscore:
10.0
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; Allows unauthorized modification; Allows disruption of service
- Official Statement from Red Hat (07/27/2009)
-
Not vulnerable. This issue did not affect the versions of Linux kernel as shipped with Red Hat Enterprise Linux 3, 4, 5 or Red Hat Enterprise MRG.
References to Advisories, Solutions, and Tools
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External Source: MISC
Name: http://xorl.wordpress.com/2009/07/21/linux-kernel-sgi-gru-driver-off-by-one-overwrite/
External Source: XF
Name: kernel-sgigru-bo(51887)
External Source: BID
Name: 35753
External Source: MLIST
Name: [linux-kernel] 20090720 Re: [PATCH] sgi-gru: Fix kernel stack buffer overrun
External Source: MLIST
Name: [linux-kernel] 20090721 [PATCH] sgi-gru: Fix kernel stack buffer overrun
External Source: MISC
Name: http://grsecurity.net/~spender/exploit_demo.c
