Vulnerability Details : CVE-2011-2182
The ldm_frag_add function in fs/partitions/ldm.c in the Linux kernel before 2.6.39.1 does not properly handle memory allocation for non-initial fragments, which might allow local users to conduct buffer overflow attacks, and gain privileges or obtain sensitive information, via a crafted LDM partition table. NOTE: this vulnerability exists because of an incomplete fix for CVE-2011-1017.
Vulnerability category: Overflow
Products affected by CVE-2011-2182
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:2.6.39:rc5:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:2.6.39:rc2:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:2.6.39:rc6:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:2.6.39:rc7:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:2.6.39:rc4:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:2.6.39:rc3:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:2.6.39:rc1:*:*:*:*:*:*
Threat overview for CVE-2011-2182
Top countries where our scanners detected CVE-2011-2182
Top open port discovered on systems with this issue
49152
IPs affected by CVE-2011-2182 1,556
Threat actors abusing to this issue?
Yes
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attack surface intelligence
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Exploit prediction scoring system (EPSS) score for CVE-2011-2182
0.05%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 14 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2011-2182
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
7.2
|
HIGH | AV:L/AC:L/Au:N/C:C/I:C/A:C |
3.9
|
10.0
|
NIST |
CWE ids for CVE-2011-2182
-
The product performs operations on a memory buffer, but it reads from or writes to a memory location outside the buffer's intended boundary. This may result in read or write operations on unexpected memory locations that could be linked to other variables, data structures, or internal program data.Assigned by: nvd@nist.gov (Primary)
References for CVE-2011-2182
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http://www.securityfocus.com/bid/52334
Linux Kernel LDM Partition Heap Based Buffer Overflow Vulnerability
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https://github.com/torvalds/linux/commit/cae13fe4cc3f24820ffb990c09110626837e85d4
Fix for buffer overflow in ldm_frag_add not sufficient · torvalds/linux@cae13fe · GitHubPatch
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http://www.openwall.com/lists/oss-security/2011/06/05/1
oss-security - Re: CVE request: kernel: fs/partitions: Kernel heap overflow via corrupted LDM partition tablesPatch
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http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=cae13fe4cc3f24820ffb990c09110626837e85d4
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http://marc.info/?l=bugtraq&m=139447903326211&w=2
'[security bulletin] HPSBGN02970 rev.1 - HP Rapid Deployment Pack (RDP) or HP Insight Control Server ' - MARC
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http://ftp.osuosl.org/pub/linux/kernel/v2.6/ChangeLog-2.6.39.1
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