CVE-2023-52524 net: nfc: llcp: Add lock when modifying device list

High 7.8 Published Updated

A race condition in the Linux kernel NFC LLCP device list modification can lead to list corruption and denial of service.

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-2023-52524?

CVE-2023-52524 is a high-severity vulnerability in Linux kernel, published on 2 Mar 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:

net: nfc: llcp: Add lock when modifying device list

The device list needs its associated lock held when modifying it, or the list could become corrupted, as syzbot discovered.

Weakness: CWE-667

Which versions are affected by CVE-2023-52524?

It affects 1 product.

Products include Linux kernel.

How do I fix CVE-2023-52524?

Apply the vendor's patch.

Is CVE-2023-52524 being exploited?

There is no known exploitation of CVE-2023-52524 in the wild and no public exploit code.

All Linux kernel vulnerabilities

Sources

Also known as BELL-CVE-2023-52524, DEBIAN-CVE-2023-52524, GHSA-x9q8-72p3-mmvx, UBUNTU-CVE-2023-52524.

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