CVE-2024-50291 media: dvb-core: add missing buffer index check

High 7.8 Published Updated

A missing buffer index check in the Linux kernel DVB core allows attackers to cause a denial of service via invalid buffer indices.

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-2024-50291?

CVE-2024-50291 is a high-severity vulnerability in Linux kernel, published on 19 Nov 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: dvb-core: add missing buffer index check

dvb_vb2_expbuf() didn't check if the given buffer index was for a valid buffer. Add this check.

Weakness: CWE-129

Which versions are affected by CVE-2024-50291?

It affects 1 product.

Products include Linux kernel.

How do I fix CVE-2024-50291?

Apply the vendor's patch.

Is CVE-2024-50291 being exploited?

There is no known exploitation of CVE-2024-50291 in the wild and no public exploit code.

All Linux kernel vulnerabilities

Sources

Also known as BELL-CVE-2024-50291, DEBIAN-CVE-2024-50291, GHSA-5h68-q459-xxm7, UBUNTU-CVE-2024-50291.

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