CVE-2006-1855 Denial of service in n/a

What is CVE-2006-1855?

CVE-2006-1855 is a low-severity denial of service vulnerability in Linux kernel, published on 18 May 2006. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

choose_new_parent in Linux kernel before 2.6.11.12 includes certain debugging code, which allows local users to cause a denial of service (panic) by causing certain circumstances involving termination of a parent process.

Which versions are affected by CVE-2006-1855?

It affects 1 product.

Products include Linux kernel.

How do I fix CVE-2006-1855?

Upgrade to a fixed version.

Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.

Is CVE-2006-1855 being exploited?

There is no known exploitation of CVE-2006-1855 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-pfjh-pm9f-fp65.