Vulnerability Monitor

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CVE-2011-1012

The ldm_parse_vmdb function in fs/partitions/ldm.c in the Linux kernel before 2.6.38-rc6-git6 does not validate the VBLK size value in the VMDB structure in an LDM partition table, which allows local users to cause a denial of service (divide-by-zero error and OOPS) via a crafted partition table.

Security Impact Summary

CVE-2011-1012 is a security vulnerability that . Impacting 2 products from linux, from canonical 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

2011-03-01T23:00:03.097

Last Modified

2025-04-11T00:51:21.963

Status

Deferred

Source

[email protected]

Severity

CVSSv2: 4.9 (MEDIUM)

CVSSv2 Vector

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

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

Exploitability Score

3.9

Impact Score

6.9

Weaknesses

Type: Primary
CWE-369

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Operating System	linux	linux_kernel	< 2.6.38	Yes
Operating System	linux	linux_kernel	2.6.38	Yes
Operating System	linux	linux_kernel	2.6.38	Yes
Operating System	linux	linux_kernel	2.6.38	Yes
Operating System	linux	linux_kernel	2.6.38	Yes
Operating System	linux	linux_kernel	2.6.38	Yes
Operating System	linux	linux_kernel	2.6.38	Yes
Operating System	canonical	ubuntu_linux	8.04	Yes

References

http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=294f6cf48666825d23c9372ef37631232746e40d ([email protected])
http://openwall.com/lists/oss-security/2011/02/23/21 Mailing List, Patch, Third Party Advisory ([email protected])
http://openwall.com/lists/oss-security/2011/02/23/4 Mailing List, Patch, Third Party Advisory ([email protected])
http://securityreason.com/securityalert/8115 Third Party Advisory ([email protected])
http://www.kernel.org/pub/linux/kernel/v2.6/snapshots/patch-2.6.38-rc6-git6.log Broken Link ([email protected])
http://www.pre-cert.de/advisories/PRE-SA-2011-01.txt Third Party Advisory ([email protected])
http://www.securityfocus.com/archive/1/516615/100/0/threaded Not Applicable ([email protected])
http://www.securityfocus.com/bid/46512 Third Party Advisory, VDB Entry ([email protected])
http://www.securitytracker.com/id?1025127 Third Party Advisory, VDB Entry ([email protected])
http://www.spinics.net/lists/mm-commits/msg82429.html Mailing List, Patch, Third Party Advisory ([email protected])
http://www.ubuntu.com/usn/USN-1146-1 Third Party Advisory ([email protected])
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=294f6cf48666825d23c9372ef37631232746e40d (af854a3a-2127-422b-91ae-364da2661108)
http://openwall.com/lists/oss-security/2011/02/23/21 Mailing List, Patch, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://openwall.com/lists/oss-security/2011/02/23/4 Mailing List, Patch, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://securityreason.com/securityalert/8115 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://www.kernel.org/pub/linux/kernel/v2.6/snapshots/patch-2.6.38-rc6-git6.log Broken Link (af854a3a-2127-422b-91ae-364da2661108)
http://www.pre-cert.de/advisories/PRE-SA-2011-01.txt Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://www.securityfocus.com/archive/1/516615/100/0/threaded Not Applicable (af854a3a-2127-422b-91ae-364da2661108)
http://www.securityfocus.com/bid/46512 Third Party Advisory, VDB Entry (af854a3a-2127-422b-91ae-364da2661108)
http://www.securitytracker.com/id?1025127 Third Party Advisory, VDB Entry (af854a3a-2127-422b-91ae-364da2661108)
http://www.spinics.net/lists/mm-commits/msg82429.html Mailing List, Patch, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://www.ubuntu.com/usn/USN-1146-1 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.