CVE-2022-25636 Memory corruption in n/a

What is CVE-2022-25636?

CVE-2022-25636 is a high-severity memory corruption vulnerability in Debian Debian Linux, published on 22 Feb 2022. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

net/netfilter/nf_dup_netdev.c in the Linux kernel 5.4 through 5.6.10 allows local users to gain privileges because of a heap out-of-bounds write. This is related to nf_tables_offload.

Weakness: CWE-269

Which versions are affected by CVE-2022-25636?

It affects 13 products.

Products include Debian Debian Linux, Linux kernel, Netapp H300e, Netapp H300s, Netapp H410c, Netapp H410s and 7 more.

How do I fix CVE-2022-25636?

Apply the vendor's patch.

Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.

Is CVE-2022-25636 being exploited?

There is no known exploitation of CVE-2022-25636 in the wild and no public exploit code.

Public exploit code: 3 proofs of concept on GitHub.

Other vulnerabilities in Debian Debian Linux

• CVE-2015-3306 ProFTPD Improper Access Control Exploited Critical 10.0
• CVE-2025-49113 RoundCube Webmail Deserialization of Untrusted Data Exploited Critical 9.9
• CVE-2026-24061 GNU InetUtils Argument Injection Exploited Critical 9.8
• 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-2022-25636, GHSA-44m9-c2jp-x4c5, UBUNTU-CVE-2022-25636.