CVE-2024-27073 media: ttpci: fix two memleaks in budget_av_attach

High 7.8 Published Updated

A memory leak in the Linux kernel's budget_av_attach function allows attackers to cause a denial of service by exhausting system memory.

Exploited in the wild
Not known
Login needed
Any signed-in user
Attackable
Local or same network only
Victim action needed
Not needed
Fix
Available

What is CVE-2024-27073?

CVE-2024-27073 is a high-severity denial of service vulnerability in Debian Debian Linux, published on 1 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:

media: ttpci: fix two memleaks in budget_av_attach

When saa7146_register_device and saa7146_vv_init fails, budget_av_attach should free the resources it allocates, like the error-handling of ttpci_budget_init does. Besides, there are two fixme comment refers to such deallocations.

Weakness: CWE-401

Which versions are affected by CVE-2024-27073?

It affects 2 products.

Products include Debian Debian Linux, Linux kernel.

How do I fix CVE-2024-27073?

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-2024-27073 being exploited?

There is no known exploitation of CVE-2024-27073 in the wild and no public exploit code.

All Debian Debian Linux vulnerabilities

Sources

Also known as BELL-CVE-2024-27073, DEBIAN-CVE-2024-27073, GHSA-j9g6-83mp-8mvr, UBUNTU-CVE-2024-27073.

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