CVE-2011-2479

low-risk
Published 2013-03-01

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.

Do I need to act?

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0.06% chance of exploitation
EPSS score — low exploit probability
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
5
CVSS 5.5/10 Medium
LOCAL / LOW complexity

Affected Products (1)

Affected Vendors

Linux

References (10)

Third Party Advisory http://ftp.osuosl.org/pub/linux/kernel/v2.6/ChangeLog-2.6.39
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=...
Mailing List http://www.openwall.com/lists/oss-security/2011/06/20/14
Issue Tracking https://bugzilla.redhat.com/show_bug.cgi?id=714761
Exploit https://github.com/torvalds/linux/commit/78f11a255749d09025f54d4e2df4fbcb031530e...
Third Party Advisory http://ftp.osuosl.org/pub/linux/kernel/v2.6/ChangeLog-2.6.39
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=...
Mailing List http://www.openwall.com/lists/oss-security/2011/06/20/14
Issue Tracking https://bugzilla.redhat.com/show_bug.cgi?id=714761
Exploit https://github.com/torvalds/linux/commit/78f11a255749d09025f54d4e2df4fbcb031530e...
23
/ 100
low-risk
Severity 18/34 · Moderate
Exploitability 0/34 · Minimal
Exposure 5/34 · Minimal