CVE-2011-2534 Memory corruption in n/a

What is CVE-2011-2534?

CVE-2011-2534 is a high-severity memory corruption vulnerability in Linux kernel, published on 22 Jun 2011. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

Buffer overflow in the clusterip_proc_write function in net/ipv4/netfilter/ipt_CLUSTERIP.c in the Linux kernel before 2.6.39 might allow local users to cause a denial of service or have unspecified other impact via a crafted write operation, related to string data that lacks a terminating '\0' character.

Weakness: CWE-120

Which versions are affected by CVE-2011-2534?

It affects 1 product.

Products include Linux kernel.

How do I fix CVE-2011-2534?

No fix has been published for CVE-2011-2534 yet. Limit exposure of the affected software until one is available.

Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.

Is CVE-2011-2534 being exploited?

There is no known exploitation of CVE-2011-2534 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-5j7x-rxfv-p87h.