CVE-2009-3888 Denial of service in n/a

What is CVE-2009-3888?

CVE-2009-3888 is a medium-severity denial of service vulnerability in Linux kernel, published on 16 Nov 2009. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

The do_mmap_pgoff function in mm/nommu.c in the Linux kernel before 2.6.31.6, when the CPU lacks a memory management unit, allows local users to cause a denial of service (OOPS) via an application that attempts to allocate a large amount of memory.

Weakness: CWE-399

Which versions are affected by CVE-2009-3888?

It affects 1 product.

Products include Linux kernel.

How do I fix CVE-2009-3888?

No fix has been published for CVE-2009-3888 yet. Limit exposure of the affected software until one is available.

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-2009-3888 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2009-3888 exists.

Public exploit code: 1 Exploit-DB entry.

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-fxfp-pf9r-cm69.