CVE-2011-4081 Null dereference in n/a

What is CVE-2011-4081?

CVE-2011-4081 is a medium-severity vulnerability in Linux kernel, published on 24 May 2012. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

crypto/ghash-generic.c in the Linux kernel before 3.1 allows local users to cause a denial of service (NULL pointer dereference and OOPS) or possibly have unspecified other impact by triggering a failed or missing ghash_setkey function call, followed by a (1) ghash_update function call or (2) ghash_final function call, as demonstrated by a write operation on an AF_ALG socket.

Weakness: CWE-476

Which versions are affected by CVE-2011-4081?

It affects 1 product.

Products include Linux kernel.

How do I fix CVE-2011-4081?

Upgrade to a fixed version.

Is CVE-2011-4081 being exploited?

There is no known exploitation of CVE-2011-4081 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 GHSA-v6mx-fmfw-p682.