CVE-2024-36954 tipc: fix a possible memleak in tipc_buf_append

What is CVE-2024-36954?

CVE-2024-36954 is a medium-severity denial of service vulnerability in Debian Debian Linux, published on 30 May 2024. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

In the Linux kernel, the following vulnerability has been resolved:

tipc: fix a possible memleak in tipc_buf_append

__skb_linearize() doesn't free the skb when it fails, so move '*buf = NULL' after __skb_linearize(), so that the skb can be freed on the err path.

Weakness: CWE-401

Which versions are affected by CVE-2024-36954?

It affects 2 products.

Products include Debian Debian Linux, Linux kernel.

How do I fix CVE-2024-36954?

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-2024-36954 being exploited?

There is no known exploitation of CVE-2024-36954 in the wild and no public exploit code.

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All Debian Debian Linux vulnerabilities

Sources

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

Also known as BELL-CVE-2024-36954, DEBIAN-CVE-2024-36954, UBUNTU-CVE-2024-36954.