CVE-2022-0617 Null dereference in Kernel

What is CVE-2022-0617?

CVE-2022-0617 is a medium-severity vulnerability in Debian Debian Linux, published on 16 Feb 2022. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

A flaw null pointer dereference in the Linux kernel UDF file system functionality was found in the way user triggers udf_file_write_iter function for the malicious UDF image. A local user could use this flaw to crash the system. Actual from Linux kernel 4.2-rc1 till 5.17-rc2.

Weakness: CWE-476

Which versions are affected by CVE-2022-0617?

It affects 2 products.

Products include Debian Debian Linux, Linux kernel.

How do I fix CVE-2022-0617?

Apply the vendor's patch.

Is CVE-2022-0617 being exploited?

There is no known exploitation of CVE-2022-0617 in the wild and no public exploit code.

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• CVE-2025-39682 Linux Kernel Improper Check for Unusual or Exceptional Conditions Exploited Critical 9.8
• CVE-2024-9680 Mozilla Firefox Use-After-Free Exploited Critical 9.8

All Debian Debian Linux vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as AZL-8801, DEBIAN-CVE-2022-0617, GHSA-c98j-g7vx-36gj, UBUNTU-CVE-2022-0617.