CVE-2011-1012
MEDIUM severity · CVSS 4.9 · CWE-369
4.9CVSS MEDIUM
Summary
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.
Impact & exploitability
Attack vectorLocal
Attack complexityLow
Privileges required—
User interaction—
Confidentiality impactNone
Integrity impactNone
Availability impact—
Exploit probability (EPSS)0%
AV:L/AC:L/Au:N/C:N/I:N/A:C
Affected products we track (1)
Recommendation
Apply the vendor fix in your normal patch cycle. Open any affected product above for its exact safe version.
Official patch: http://openwall.com/lists/oss-security/2011/02/23/21 ↗
Additional information
- NVD record
- http://openwall.com/lists/oss-security/2011/02/23/21Patch
- http://openwall.com/lists/oss-security/2011/02/23/4Patch
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=294f6cf48666825d23c9372ef37631232746e40d
- http://securityreason.com/securityalert/8115Advisory
- http://www.kernel.org/pub/linux/kernel/v2.6/snapshots/patch-2.6.38-rc6-git6.log
- http://www.pre-cert.de/advisories/PRE-SA-2011-01.txtAdvisory
- http://www.securityfocus.com/archive/1/516615/100/0/threaded
- http://www.securityfocus.com/bid/46512Advisory