CVE-2022-3625 Linux Kernel IPsec devlink.c devlink_param_get use after free

What is CVE-2022-3625?

CVE-2022-3625 is a medium-severity use after free vulnerability in Debian Debian Linux, published on 21 Oct 2022. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

A vulnerability was found in Linux Kernel. It has been classified as critical. This affects the function devlink_param_set/devlink_param_get of the file net/core/devlink.c of the component IPsec. The manipulation leads to use after free. It is recommended to apply a patch to fix this issue. The identifier VDB-211929 was assigned to this vulnerability.

Weakness: CWE-416, CWE-119

Which versions are affected by CVE-2022-3625?

It affects 2 products.

Products include Debian Debian Linux, Linux kernel.

How do I fix CVE-2022-3625?

Apply the vendor's patch.

Upgrade to the fixed version. These bugs are found with fuzzing and sanitisers and avoided by memory-safe languages. More about Use after free.

Is CVE-2022-3625 being exploited?

There is no known exploitation of CVE-2022-3625 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 DEBIAN-CVE-2022-3625, GHSA-69vv-8r9h-g8x5, UBUNTU-CVE-2022-3625.