CVE-2024-43848 wifi: mac80211: fix TTLM teardown work
A null pointer dereference in the Linux kernel Wi-Fi driver causes a system crash when the TTLM teardown worker executes.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2024-43848?
CVE-2024-43848 is a high-severity vulnerability in Linux kernel, published on 17 Aug 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: mac80211: fix TTLM teardown work
The worker calculates the wrong sdata pointer, so if it ever runs, it'll crash. Fix that.
Which versions are affected by CVE-2024-43848?
It affects 1 product.
Products include Linux kernel.
How do I fix CVE-2024-43848?
Apply the vendor's patch.
Is CVE-2024-43848 being exploited?
There is no known exploitation of CVE-2024-43848 in the wild and no public exploit code.
Other vulnerabilities in Linux kernel
Sources
Also known as BELL-CVE-2024-43848, GHSA-ww4c-q949-79pp, UBUNTU-CVE-2024-43848.