CVE-2022-1205 Null dereference in Kernel

What is CVE-2022-1205?

CVE-2022-1205 is a medium-severity vulnerability in Linux kernel, published on 31 Aug 2022. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

A NULL pointer dereference flaw was found in the Linux kernel’s Amateur Radio AX.25 protocol functionality in the way a user connects with the protocol. This flaw allows a local user to crash the system.

Weakness: CWE-476, CWE-416

Which versions are affected by CVE-2022-1205?

It affects 1 product.

Products include Linux kernel.

How do I fix CVE-2022-1205?

Apply the vendor's patch.

Is CVE-2022-1205 being exploited?

There is no known exploitation of CVE-2022-1205 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
• How this page is made

Also known as AZL-10793, DEBIAN-CVE-2022-1205, ROOT-OS-UBUNTU-2204-CVE-2022-1205, UBUNTU-CVE-2022-1205.