Vulnerability Details : CVE-2011-2496
Potential exploit
Integer overflow in the vma_to_resize function in mm/mremap.c in the Linux kernel before 2.6.39 allows local users to cause a denial of service (BUG_ON and system crash) via a crafted mremap system call that expands a memory mapping.
Vulnerability category: OverflowDenial of service
Products affected by CVE-2011-2496
- 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:*:*:*:*:*:*:*
- 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:rc7:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:2.6.38.1:*:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:2.6.38.2:*:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:2.6.38:rc8:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:2.6.38.3:*:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:2.6.38.4:*:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:2.6.38.5:*:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:2.6.38.6:*:*:*:*:*:*:*
- 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:rc6:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:2.6.38.7:*:*:*:*:*:*:*
Threat overview for CVE-2011-2496
Top countries where our scanners detected CVE-2011-2496
Top open port discovered on systems with this issue
49152
IPs affected by CVE-2011-2496 3,760
Threat actors abusing to this issue?
Yes
Find out if you* are
affected by CVE-2011-2496!
*Directly or indirectly through your vendors, service providers and 3rd parties.
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attack surface intelligence
from SecurityScorecard.
Exploit prediction scoring system (EPSS) score for CVE-2011-2496
0.15%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 32 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2011-2496
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
4.9
|
MEDIUM | AV:L/AC:L/Au:N/C:N/I:N/A:C |
3.9
|
6.9
|
NIST |
CWE ids for CVE-2011-2496
-
Assigned by: nvd@nist.gov (Primary)
References for CVE-2011-2496
-
http://ftp.osuosl.org/pub/linux/kernel/v2.6/ChangeLog-2.6.39
404 Not Found
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https://bugzilla.redhat.com/show_bug.cgi?id=716538
716538 – (CVE-2011-2496) CVE-2011-2496 kernel: mm: avoid wrapping vm_pgoff in mremap() and stack expansions
-
https://github.com/torvalds/linux/commit/982134ba62618c2d69fbbbd166d0a11ee3b7e3d8
mm: avoid wrapping vm_pgoff in mremap() · torvalds/linux@982134b · GitHubExploit;Patch
-
http://www.openwall.com/lists/oss-security/2011/06/27/2
oss-security - Re: CVE request: kernel: mm: avoid wrapping vm_pgoff in mremap() and stack expansions
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http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=982134ba62618c2d69fbbbd166d0a11ee3b7e3d8
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