CVE-2007-0006 Null dereference in n/a

What is CVE-2007-0006?

CVE-2007-0006 is a low-severity vulnerability in Linux kernel, published on 6 Feb 2007. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

The key serial number collision avoidance code in the key_alloc_serial function in Linux kernel 2.6.9 up to 2.6.20 allows local users to cause a denial of service (crash) via vectors that trigger a null dereference, as originally reported as "spinlock CPU recursion."

Which versions are affected by CVE-2007-0006?

It affects 1 product.

Products include Linux kernel.

How do I fix CVE-2007-0006?

Apply the vendor's patch.

Is CVE-2007-0006 being exploited?

There is no known exploitation of CVE-2007-0006 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-5r28-rxgr-jc89.