Vulnerability Details : 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.
Vulnerability category: Denial of service
Threat overview for CVE-2011-1012
Top countries where our scanners detected CVE-2011-1012
Top open port discovered on systems with this issue
49152
IPs affected by CVE-2011-1012 1,472
Threat actors abusing to this issue?
Yes
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Exploit prediction scoring system (EPSS) score for CVE-2011-1012
Probability of exploitation activity in the next 30 days: 0.04%
Percentile, the proportion of vulnerabilities that are scored at or less: ~ 6 % EPSS Score History EPSS FAQ
CVSS scores for CVE-2011-1012
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source |
---|---|---|---|---|---|
4.9
|
MEDIUM | AV:L/AC:L/Au:N/C:N/I:N/A:C |
3.9
|
6.9
|
NIST |
CWE ids for CVE-2011-1012
-
The product divides a value by zero.Assigned by: nvd@nist.gov (Primary)
References for CVE-2011-1012
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http://securityreason.com/securityalert/8115
Linux Kernel Buffer Overflow ldm_frag_add() Elevated Privileges - CXSecurity.comThird Party Advisory
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http://www.pre-cert.de/advisories/PRE-SA-2011-01.txt
Third Party Advisory
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http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=294f6cf48666825d23c9372ef37631232746e40d
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http://www.securitytracker.com/id?1025127
Linux Kernel Divide By Zero Error in ldm_get_vblks() Lets Physically Local Users Deny Service - SecurityTrackerThird Party Advisory;VDB Entry
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http://www.kernel.org/pub/linux/kernel/v2.6/snapshots/patch-2.6.38-rc6-git6.log
404: File not foundBroken Link
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http://www.securityfocus.com/archive/1/516615/100/0/threaded
SecurityFocusNot Applicable
-
http://openwall.com/lists/oss-security/2011/02/23/4
oss-security - CVE request: kernel: Corrupted LDM partition table issuesMailing List;Patch;Third Party Advisory
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http://www.ubuntu.com/usn/USN-1146-1
USN-1146-1: Linux kernel vulnerabilities | Ubuntu security noticesThird Party Advisory
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http://www.spinics.net/lists/mm-commits/msg82429.html
+ ldm-corrupted-partition-table-can-cause-kernel-oops.patch added to -mm tree — MM Kernel CommitsMailing List;Patch;Third Party Advisory
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http://openwall.com/lists/oss-security/2011/02/23/21
oss-security - Re: CVE request: kernel: Corrupted LDM partition table issuesMailing List;Patch;Third Party Advisory
-
http://www.securityfocus.com/bid/46512
Linux Kernel 'fs/partitions/ldm.c' Buffer Overflow and Denial of Service VulnerabilitiesThird Party Advisory;VDB Entry
Products affected by CVE-2011-1012
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:2.6.38:rc1:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:2.6.38:rc3:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:2.6.38:rc5:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:2.6.38:rc2:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:2.6.38:rc4:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:2.6.38:-:*:*:*:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:8.04:*:*:*:-:*:*:*