Vulnerability Description
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.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux Kernel | < 2.6.38 |
| Canonical | Ubuntu Linux | 8.04 |
Related Weaknesses (CWE)
References
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=
- http://openwall.com/lists/oss-security/2011/02/23/21Mailing ListPatchThird Party Advisory
- http://openwall.com/lists/oss-security/2011/02/23/4Mailing ListPatchThird Party Advisory
- http://securityreason.com/securityalert/8115Third Party Advisory
- http://www.kernel.org/pub/linux/kernel/v2.6/snapshots/patch-2.6.38-rc6-git6.logBroken Link
- http://www.pre-cert.de/advisories/PRE-SA-2011-01.txtThird Party Advisory
- http://www.securityfocus.com/archive/1/516615/100/0/threadedNot Applicable
- http://www.securityfocus.com/bid/46512Third Party AdvisoryVDB Entry
- http://www.securitytracker.com/id?1025127Third Party AdvisoryVDB Entry
- http://www.spinics.net/lists/mm-commits/msg82429.htmlMailing ListPatchThird Party Advisory
- http://www.ubuntu.com/usn/USN-1146-1Third Party Advisory
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=
- http://openwall.com/lists/oss-security/2011/02/23/21Mailing ListPatchThird Party Advisory
- http://openwall.com/lists/oss-security/2011/02/23/4Mailing ListPatchThird Party Advisory
- http://securityreason.com/securityalert/8115Third Party Advisory
FAQ
What is CVE-2011-1012?
CVE-2011-1012 is a vulnerability with a CVSS score of 4.9 (MEDIUM). 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 ...
How severe is CVE-2011-1012?
CVE-2011-1012 has been rated MEDIUM with a CVSS base score of 4.9/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2011-1012?
Check the references section above for vendor advisories and patch information. Affected products include: Linux Linux Kernel, Canonical Ubuntu Linux.