Integer overflow in Linux kernel - CVE-2009-2584
Published: July 23, 2009 / Updated: November 16, 2018
Vulnerability identifier: #VU92840
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2009-2584
CWE-ID: CWE-190
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vendor: Linux Foundation
Affected software:
Linux kernel
Linux kernel
Detailed vulnerability description
The vulnerability allows a local user to execute arbitrary code.
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.
How to mitigate CVE-2009-2584
Install update from vendor's repository.
Sources
- http://grsecurity.net/~spender/exploit_demo.c
- http://lkml.org/lkml/2009/7/20/348
- http://lkml.org/lkml/2009/7/20/362
- http://secunia.com/advisories/37105
- http://www.securityfocus.com/bid/35753
- http://www.ubuntu.com/usn/USN-852-1
- http://xorl.wordpress.com/2009/07/21/linux-kernel-sgi-gru-driver-off-by-one-overwrite/
- https://exchange.xforce.ibmcloud.com/vulnerabilities/51887