CVE-2013-4511

Name: CVE-2013-4511
Creator: NVD / NIST
Published: 2013-11-12T14:35:12.197+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 0.60%

Last modified Jun 16, 2026

CVE-2013-4511 is a vulnerability of currently unknown severity. Multiple integer overflows in Alchemy LCD frame-buffer drivers in the Linux kernel before 3.12 allow local users to create a read-write memory mapping for the entirety of kernel memory, and consequently gain privileges, via crafted mmap operations, related to the (1) au1100fb_fb_mmap function in drivers/video/au1100fb.c and the (2) au1200fb_fb_mmap function in drivers/video/au1200fb.c.. EPSS estimates a 0.60% chance of exploitation in the next 30 days.

Description

Multiple integer overflows in Alchemy LCD frame-buffer drivers in the Linux kernel before 3.12 allow local users to create a read-write memory mapping for the entirety of kernel memory, and consequently gain privileges, via crafted mmap operations, related to the (1) au1100fb_fb_mmap function in drivers/video/au1100fb.c and the (2) au1200fb_fb_mmap function in drivers/video/au1200fb.c.

Metrics

EPSS Probability

0.60%

43.9th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-189

Affected Software

Vendor	Product	Versions
Linux	Linux Kernel	>= 2.6.12, < 3.2.53
Linux	Linux Kernel	>= 3.3, < 3.4.69
Linux	Linux Kernel	>= 3.5, < 3.10.19
Linux	Linux Kernel	>= 3.11, < 3.11.8

References

http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=7314e613d5ff9f0934f7a0f74ed7973b903315d1Broken Link
http://lists.opensuse.org/opensuse-security-announce/2014-02/msg00002.htmlThird Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2014-02/msg00003.htmlThird Party Advisory
http://lists.opensuse.org/opensuse-updates/2014-02/msg00045.htmlThird Party Advisory
http://www.openwall.com/lists/oss-security/2013/11/04/22Mailing List, Third Party Advisory
http://www.ubuntu.com/usn/USN-2036-1Third Party Advisory
http://www.ubuntu.com/usn/USN-2037-1Third Party Advisory
http://www.ubuntu.com/usn/USN-2066-1Third Party Advisory
http://www.ubuntu.com/usn/USN-2067-1Third Party Advisory
http://www.ubuntu.com/usn/USN-2068-1Third Party Advisory
http://www.ubuntu.com/usn/USN-2069-1Third Party Advisory
http://www.ubuntu.com/usn/USN-2070-1Third Party Advisory
http://www.ubuntu.com/usn/USN-2071-1Third Party Advisory
http://www.ubuntu.com/usn/USN-2072-1Third Party Advisory
http://www.ubuntu.com/usn/USN-2073-1Third Party Advisory
http://www.ubuntu.com/usn/USN-2074-1Third Party Advisory
http://www.ubuntu.com/usn/USN-2075-1Third Party Advisory
http://www.ubuntu.com/usn/USN-2076-1Third Party Advisory
https://github.com/torvalds/linux/commit/7314e613d5ff9f0934f7a0f74ed7973b903315d1Exploit, Patch
https://www.kernel.org/pub/linux/kernel/v3.x/patch-3.12.bz2Patch, Third Party Advisory
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=7314e613d5ff9f0934f7a0f74ed7973b903315d1Broken Link
http://lists.opensuse.org/opensuse-security-announce/2014-02/msg00002.htmlThird Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2014-02/msg00003.htmlThird Party Advisory
http://lists.opensuse.org/opensuse-updates/2014-02/msg00045.htmlThird Party Advisory
http://www.openwall.com/lists/oss-security/2013/11/04/22Mailing List, Third Party Advisory
http://www.ubuntu.com/usn/USN-2036-1Third Party Advisory
http://www.ubuntu.com/usn/USN-2037-1Third Party Advisory
http://www.ubuntu.com/usn/USN-2066-1Third Party Advisory
http://www.ubuntu.com/usn/USN-2067-1Third Party Advisory
http://www.ubuntu.com/usn/USN-2068-1Third Party Advisory
http://www.ubuntu.com/usn/USN-2069-1Third Party Advisory
http://www.ubuntu.com/usn/USN-2070-1Third Party Advisory
http://www.ubuntu.com/usn/USN-2071-1Third Party Advisory
http://www.ubuntu.com/usn/USN-2072-1Third Party Advisory
http://www.ubuntu.com/usn/USN-2073-1Third Party Advisory
http://www.ubuntu.com/usn/USN-2074-1Third Party Advisory
http://www.ubuntu.com/usn/USN-2075-1Third Party Advisory
http://www.ubuntu.com/usn/USN-2076-1Third Party Advisory
https://github.com/torvalds/linux/commit/7314e613d5ff9f0934f7a0f74ed7973b903315d1Exploit, Patch
https://www.kernel.org/pub/linux/kernel/v3.x/patch-3.12.bz2Patch, Third Party Advisory

Timeline

Published: Nov 12, 2013
Last Modified: Jun 16, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2013-4511?

How severe is CVE-2013-4511?

Severity scoring for CVE-2013-4511 is pending analysis. The EPSS model estimates a 0.60% probability of exploitation in the next 30 days.

How do I fix CVE-2013-4511?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2013-4511?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST