CVE-2011-2479

Public Exploit

Description

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.

Category

5.5
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.06%
Third-Party Advisory osuosl.org Third-Party Advisory openwall.com Third-Party Advisory redhat.com Third-Party Advisory github.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
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 third party advisory mailing list
http://ftp.osuosl.org/pub/linux/kernel/v2.6/ChangeLog-2.6.39 third party advisory
https://bugzilla.redhat.com/show_bug.cgi?id=714761 third party advisory issue tracking
https://github.com/torvalds/linux/commit/78f11a255749d09025f54d4e2df4fbcb031530e2 patch third party advisory exploit

Frequently Asked Questions

What is the severity of CVE-2011-2479?
CVE-2011-2479 has been scored as a medium severity vulnerability.
How to fix CVE-2011-2479?
To fix CVE-2011-2479, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2011-2479 being actively exploited in the wild?
It is possible that CVE-2011-2479 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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