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.

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)