Vulnerability Monitor

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CVE-2009-2584

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.

Published

2009-07-23T20:30:00.313

Last Modified

2025-04-09T00:30:58.490

Status

Deferred

Source

[email protected]

Severity

CVSSv2: 7.2 (HIGH)

CVSSv2 Vector

AV:L/AC:L/Au:N/C:C/I:C/A:C

Access Vector: LOCAL
Access Complexity: LOW
Authentication: NONE
Confidentiality Impact: COMPLETE
Integrity Impact: COMPLETE
Availability Impact: COMPLETE

Exploitability Score

3.9

Impact Score

10.0

Weaknesses

Type: Primary
CWE-189

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Operating System	linux	linux_kernel	≤ 2.6.30.2	Yes

References

http://grsecurity.net/~spender/exploit_demo.c Exploit, Third Party Advisory ([email protected])
http://lkml.org/lkml/2009/7/20/348 Exploit, Mailing List, Third Party Advisory ([email protected])
http://lkml.org/lkml/2009/7/20/362 Mailing List, Third Party Advisory ([email protected])
http://secunia.com/advisories/37105 Third Party Advisory ([email protected])
http://www.securityfocus.com/bid/35753 Third Party Advisory, VDB Entry ([email protected])
http://www.ubuntu.com/usn/USN-852-1 Third Party Advisory ([email protected])
http://xorl.wordpress.com/2009/07/21/linux-kernel-sgi-gru-driver-off-by-one-overwrite/ Exploit, Third Party Advisory ([email protected])
https://exchange.xforce.ibmcloud.com/vulnerabilities/51887 Third Party Advisory, VDB Entry ([email protected])
http://grsecurity.net/~spender/exploit_demo.c Exploit, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://lkml.org/lkml/2009/7/20/348 Exploit, Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://lkml.org/lkml/2009/7/20/362 Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://secunia.com/advisories/37105 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://www.securityfocus.com/bid/35753 Third Party Advisory, VDB Entry (af854a3a-2127-422b-91ae-364da2661108)
http://www.ubuntu.com/usn/USN-852-1 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://xorl.wordpress.com/2009/07/21/linux-kernel-sgi-gru-driver-off-by-one-overwrite/ Exploit, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://exchange.xforce.ibmcloud.com/vulnerabilities/51887 Third Party Advisory, VDB Entry (af854a3a-2127-422b-91ae-364da2661108)