CVE-2024-50027 thermal: core: Free tzp copy along with the thermal zone

High 7.8 Published Updated

A use-after-free vulnerability in the Linux kernel thermal subsystem allows attackers to potentially execute arbitrary code or escalate privileges.

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-2024-50027?

CVE-2024-50027 is a high-severity use after free vulnerability in Linux kernel, published on 21 Oct 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:

thermal: core: Free tzp copy along with the thermal zone

The object pointed to by tz->tzp may still be accessed after being freed in thermal_zone_device_unregister(), so move the freeing of it to the point after the removal completion has been completed at which it cannot be accessed any more.

Weakness: CWE-416

Which versions are affected by CVE-2024-50027?

It affects 1 product.

Products include Linux kernel.

How do I fix CVE-2024-50027?

Apply the vendor's patch.

Upgrade to the fixed version. These bugs are found with fuzzing and sanitisers and avoided by memory-safe languages. More about Use after free.

Is CVE-2024-50027 being exploited?

There is no known exploitation of CVE-2024-50027 in the wild and no public exploit code.

All Linux kernel vulnerabilities

Sources

Also known as AZL-51401, BELL-CVE-2024-50027, DEBIAN-CVE-2024-50027, GHSA-w9mh-rcjr-98rv, UBUNTU-CVE-2024-50027.

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