CVE-2024-35806 soc: fsl: qbman: Always disable interrupts when taking cgr_lock
A race condition in the Linux kernel's FSL QBMAN driver can cause a deadlock and system crash due to improper interrupt handling during lock acquisition.
- 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-2024-35806?
CVE-2024-35806 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:
soc: fsl: qbman: Always disable interrupts when taking cgr_lock
smp_call_function_single disables IRQs when executing the callback. To prevent deadlocks, we must disable IRQs when taking cgr_lock elsewhere. This is already done by qman_update_cgr and qman_delete_cgr; fix the other lockers.
Weakness: CWE-667
Which versions are affected by CVE-2024-35806?
It affects 2 products.
Products include Debian Debian Linux, Linux kernel.
How do I fix CVE-2024-35806?
Apply the vendor's patch.
Is CVE-2024-35806 being exploited?
There is no known exploitation of CVE-2024-35806 in the wild and no public exploit code.
Other vulnerabilities in Debian Debian Linux
Sources
Also known as BELL-CVE-2024-35806, DEBIAN-CVE-2024-35806, GHSA-cwwg-93gv-4r7h, UBUNTU-CVE-2024-35806.