CVE-2009-3286 Privilege escalation in n/a

What is CVE-2009-3286?

CVE-2009-3286 is a medium-severity vulnerability in Linux kernel, published on 22 Sep 2009. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

NFSv4 in the Linux kernel 2.6.18, and possibly other versions, does not properly clean up an inode when an O_EXCL create fails, which causes files to be created with insecure settings such as setuid bits, and possibly allows local users to gain privileges, related to the execution of the do_open_permission function even when a create fails.

Weakness: CWE-264

Which versions are affected by CVE-2009-3286?

It affects 1 product.

Products include Linux kernel.

How do I fix CVE-2009-3286?

Apply the vendor's patch.

Is CVE-2009-3286 being exploited?

There is no known exploitation of CVE-2009-3286 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-m7c3-gvjv-4h47.