Vulnerability Details : CVE-2011-2479
Potential exploit
The Linux kernel before 2.6.39 does not properly create transparent huge pages in response to a MAP_PRIVATE mmap system call on /dev/zero, which allows local users to cause a denial of service (system crash) via a crafted application.
Vulnerability category: Denial of service
Products affected by CVE-2011-2479
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
Threat overview for CVE-2011-2479
Top countries where our scanners detected CVE-2011-2479
Top open port discovered on systems with this issue
49152
IPs affected by CVE-2011-2479 1,556
Threat actors abusing to this issue?
Yes
Find out if you* are
affected by CVE-2011-2479!
*Directly or indirectly through your vendors, service providers and 3rd parties.
Powered by
attack surface intelligence
from SecurityScorecard.
Exploit prediction scoring system (EPSS) score for CVE-2011-2479
0.06%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 16 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2011-2479
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 | |
5.5
|
MEDIUM | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |
1.8
|
3.6
|
NIST |
CWE ids for CVE-2011-2479
-
Assigned by: nvd@nist.gov (Primary)
References for CVE-2011-2479
-
http://ftp.osuosl.org/pub/linux/kernel/v2.6/ChangeLog-2.6.39
404 Not FoundThird Party Advisory
-
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=78f11a255749d09025f54d4e2df4fbcb031530e2
-
http://www.openwall.com/lists/oss-security/2011/06/20/14
oss-security - Re: CVE request: kernel: thp: madvise on top of /dev/zero private mapping can lead to panicMailing List;Third Party Advisory
-
https://github.com/torvalds/linux/commit/78f11a255749d09025f54d4e2df4fbcb031530e2
mm: thp: fix /dev/zero MAP_PRIVATE and vm_flags cleanups · torvalds/linux@78f11a2 · GitHubExploit;Patch;Third Party Advisory
-
https://bugzilla.redhat.com/show_bug.cgi?id=714761
714761 – (CVE-2011-2479) CVE-2011-2479 kernel: thp: madvise on top of /dev/zero private mapping can lead to panicIssue Tracking;Third Party Advisory
Jump to