Vulnerability Monitor

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CVE-2011-1746

Multiple integer overflows in the (1) agp_allocate_memory and (2) agp_create_user_memory functions in drivers/char/agp/generic.c in the Linux kernel before 2.6.38.5 allow local users to trigger buffer overflows, and consequently cause a denial of service (system crash) or possibly have unspecified other impact, via vectors related to calls that specify a large number of memory pages.

Security Impact Summary

CVE-2011-1746 is a security vulnerability that . Impacting 7 products from linux, from redhat, from redhat and 4 others, organizations running these solutions should prioritize assessment and patching.

Historical Context

Documented in 2011, this vulnerability occurred amid the cloud computing expansion era, where traditional network perimeter security models were being reevaluated. Organizations were transitioning from isolated infrastructure to interconnected systems, creating new attack surfaces that vulnerabilities like this could exploit.

Published

2011-05-09T19:55:03.757

Last Modified

2025-04-11T00:51:21.963

Status

Deferred

Source

[email protected]

Severity

CVSSv2: 6.9 (MEDIUM)

CVSSv2 Vector

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

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

Exploitability Score

3.4

Impact Score

10.0

Weaknesses

Type: Primary
CWE-189

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Operating System	linux	linux_kernel	< 2.6.38.5	Yes
Operating System	redhat	enterprise_linux	5.0	Yes
Operating System	redhat	enterprise_linux_aus	5.6	Yes
Operating System	redhat	enterprise_linux_desktop	5.0	Yes
Operating System	redhat	enterprise_linux_eus	5.6	Yes
Operating System	redhat	enterprise_linux_server	5.0	Yes
Operating System	redhat	enterprise_linux_workstation	5.0	Yes

References

http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=b522f02184b413955f3bc952e3776ce41edc6355 ([email protected])
http://openwall.com/lists/oss-security/2011/04/21/4 Mailing List, Patch, Third Party Advisory ([email protected])
http://openwall.com/lists/oss-security/2011/04/22/7 Mailing List, Patch, Third Party Advisory ([email protected])
http://rhn.redhat.com/errata/RHSA-2011-0927.html Third Party Advisory ([email protected])
http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.38.5 Release Notes, Vendor Advisory ([email protected])
http://www.securityfocus.com/bid/47535 Third Party Advisory, VDB Entry ([email protected])
https://bugzilla.redhat.com/show_bug.cgi?id=698998 Issue Tracking, Patch, Third Party Advisory ([email protected])
https://lkml.org/lkml/2011/4/14/294 Patch, Third Party Advisory ([email protected])
https://lkml.org/lkml/2011/4/19/400 Third Party Advisory ([email protected])
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=b522f02184b413955f3bc952e3776ce41edc6355 (af854a3a-2127-422b-91ae-364da2661108)
http://openwall.com/lists/oss-security/2011/04/21/4 Mailing List, Patch, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://openwall.com/lists/oss-security/2011/04/22/7 Mailing List, Patch, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://rhn.redhat.com/errata/RHSA-2011-0927.html Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.38.5 Release Notes, Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://www.securityfocus.com/bid/47535 Third Party Advisory, VDB Entry (af854a3a-2127-422b-91ae-364da2661108)
https://bugzilla.redhat.com/show_bug.cgi?id=698998 Issue Tracking, Patch, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://lkml.org/lkml/2011/4/14/294 Patch, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://lkml.org/lkml/2011/4/19/400 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)

How SecUtils Interprets This CVE

SecUtils normalizes and enriches National Vulnerability Database (NVD) records by standardizing vendor and product identifiers, aggregating vulnerability metadata from both NVD and MITRE sources, and providing structured context for security teams. For linux's affected products, we extract Common Platform Enumeration (CPE) data, Common Weakness Enumeration (CWE) classifications, CVSS severity metrics, and reference data to enable rapid vulnerability prioritization and asset correlation. This record contains no exploit code, proof-of-concept instructions, or attack methodologies—only defensive intelligence necessary for patch management, risk assessment, and security operations.