CVE-2022-3633 Linux Kernel transport.c j1939_session_destroy memory leak

What is CVE-2022-3633?

CVE-2022-3633 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 classified as problematic has been found in Linux Kernel. Affected is the function j1939_session_destroy of the file net/can/j1939/transport.c. The manipulation leads to memory leak. It is recommended to apply a patch to fix this issue. The identifier of this vulnerability is VDB-211932.

Weakness: CWE-401

Which versions are affected by CVE-2022-3633?

It affects 2 products.

Products include Debian Debian Linux, Linux kernel.

How do I fix CVE-2022-3633?

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-2022-3633 being exploited?

There is no known exploitation of CVE-2022-3633 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-2022-3633, GHSA-4h2p-5cf9-5j8f, UBUNTU-CVE-2022-3633.