CVE-2024-46825 wifi: iwlwifi: mvm: use IWL_FW_CHECK for link ID check
A missing bounds check in the iwlwifi driver allows firmware to trigger a null pointer dereference, causing a system crash.
- 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-2024-46825?
CVE-2024-46825 is a medium-severity vulnerability in Linux kernel, published on 27 Sep 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:
wifi: iwlwifi: mvm: use IWL_FW_CHECK for link ID check
The lookup function iwl_mvm_rcu_fw_link_id_to_link_conf() is normally called with input from the firmware, so it should use IWL_FW_CHECK() instead of WARN_ON().
Which versions are affected by CVE-2024-46825?
It affects 1 product.
Products include Linux kernel.
How do I fix CVE-2024-46825?
Apply the vendor's patch.
Is CVE-2024-46825 being exploited?
There is no known exploitation of CVE-2024-46825 in the wild and no public exploit code.
Other vulnerabilities in Linux kernel
Sources
Also known as BELL-CVE-2024-46825, DEBIAN-CVE-2024-46825, GHSA-4mjg-849g-c6rf, ROOT-OS-DEBIAN-11-CVE-2024-46825, ROOT-OS-DEBIAN-12-CVE-2024-46825, UBUNTU-CVE-2024-46825.