CVE-2005-3807 Denial of service in n/a

What is CVE-2005-3807?

CVE-2005-3807 is a medium-severity denial of service vulnerability in Linux kernel, published on 25 Nov 2005. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

Memory leak in the VFS file lease handling in locks.c in Linux kernels 2.6.10 to 2.6.15 allows local users to cause a denial of service (memory exhaustion) via certain Samba activities that cause an fasync entry to be re-allocated by the fcntl_setlease function after the fasync queue has already been cleaned by the locks_delete_lock function.

Which versions are affected by CVE-2005-3807?

It affects 1 product.

Products include Linux kernel.

How do I fix CVE-2005-3807?

No fix has been published for CVE-2005-3807 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-2005-3807 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2005-3807 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-q98v-8mff-57hg.