CVE-2024-27419 netrom: Fix data-races around sysctl_net_busy_read

Medium 4.7 Published Updated

A data race in the Linux kernel's netrom module allows concurrent modification of sysctl values, potentially leading to undefined behavior.

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-2024-27419?

CVE-2024-27419 is a medium-severity vulnerability in Debian Debian Linux, published on 17 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:

netrom: Fix data-races around sysctl_net_busy_read

We need to protect the reader reading the sysctl value because the value can be changed concurrently.

Weakness: CWE-362

Which versions are affected by CVE-2024-27419?

It affects 2 products.

Products include Debian Debian Linux, Linux kernel.

How do I fix CVE-2024-27419?

Apply the vendor's patch.

Is CVE-2024-27419 being exploited?

There is no known exploitation of CVE-2024-27419 in the wild and no public exploit code.

All Debian Debian Linux vulnerabilities

Sources

Also known as BELL-CVE-2024-27419, DEBIAN-CVE-2024-27419, GHSA-cmg8-wgf7-3q26, UBUNTU-CVE-2024-27419.

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