CVE-2006-1522 Null dereference in n/a

What is CVE-2006-1522?

CVE-2006-1522 is a medium-severity vulnerability in Linux kernel, published on 10 Apr 2006. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

The sys_add_key function in the keyring code in Linux kernel 2.6.16.1 and 2.6.17-rc1, and possibly earlier versions, allows local users to cause a denial of service (OOPS) via keyctl requests that add a key to a user key instead of a keyring key, which causes an invalid dereference in the __keyring_search_one function.

Weakness: CWE-20

Which versions are affected by CVE-2006-1522?

It affects 1 product.

Products include Linux kernel.

How do I fix CVE-2006-1522?

Apply the vendor's patch.

Is CVE-2006-1522 being exploited?

There is no known exploitation of CVE-2006-1522 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-58jc-qqg8-qv38.