CVE-2013-4511 Integer overflow in n/a

What is CVE-2013-4511?

CVE-2013-4511 is a medium-severity vulnerability in Linux kernel, published on 12 Nov 2013. It can only be exploited from the same machine or local network, with no action from the victim.

Official 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.

Weakness: CWE-189

Which versions are affected by CVE-2013-4511?

It affects 1 product.

Products include Linux kernel.

How do I fix CVE-2013-4511?

Upgrade to a fixed version.

Is CVE-2013-4511 being exploited?

There is no known exploitation of CVE-2013-4511 in the wild and no public exploit code.

Other vulnerabilities in Linux kernel

• CVE-2026-53266 Linux Kernel Out-of-Bounds Write Exploited High 8.8
• CVE-2013-6282 Linux Kernel Improper Input Validation Exploited High 8.8
• CVE-2022-0185 Linux Kernel Heap-Based Buffer Overflow Exploited High 8.4
• CVE-2013-2094 Linux Kernel Privilege Escalation Exploited High 8.4
• CVE-2026-53362 Linux Kernel Unspecified Exploited High 7.8

All Linux kernel vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as DEBIAN-CVE-2013-4511, GHSA-vrr5-8xm6-9mjx.