CVE-2022-3629 Linux Kernel af_vsock.c vsock_connect memory leak

What is CVE-2022-3629?

CVE-2022-3629 is a low-severity denial of service 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 declared as problematic. This vulnerability affects the function vsock_connect of the file net/vmw_vsock/af_vsock.c. The manipulation leads to memory leak. The complexity of an attack is rather high. The exploitation appears to be difficult. It is recommended to apply a patch to fix this issue. VDB-211930 is the identifier assigned to this vulnerability.

Weakness: CWE-401

Which versions are affected by CVE-2022-3629?

It affects 2 products.

Products include Debian Debian Linux, Linux kernel.

How do I fix CVE-2022-3629?

Apply the vendor's patch.

Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.

Is CVE-2022-3629 being exploited?

There is no known exploitation of CVE-2022-3629 in the wild and no public exploit code.

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All Debian Debian Linux vulnerabilities

Sources

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

Also known as DEBIAN-CVE-2022-3629, GHSA-vwm6-3cgq-cw2w, UBUNTU-CVE-2022-3629.