CVE-2024-35937 wifi: cfg80211: check A-MSDU format more carefully
A missing bounds check in the Linux kernel Wi-Fi subsystem allows out-of-bounds reads, potentially causing crashes or leaking memory.
- 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-2024-35937?
CVE-2024-35937 is a high-severity memory corruption vulnerability in Debian Debian Linux, published on 19 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:
wifi: cfg80211: check A-MSDU format more carefully
If it looks like there's another subframe in the A-MSDU but the header isn't fully there, we can end up reading data out of bounds, only to discard later. Make this a bit more careful and check if the subframe header can even be present.
Weakness: CWE-125
Which versions are affected by CVE-2024-35937?
It affects 2 products.
Products include Debian Debian Linux, Linux kernel.
How do I fix CVE-2024-35937?
Apply the vendor's patch.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2024-35937 being exploited?
There is no known exploitation of CVE-2024-35937 in the wild and no public exploit code.
Other vulnerabilities in Debian Debian Linux
Sources
Also known as AZL-57805, BELL-CVE-2024-35937, DEBIAN-CVE-2024-35937, GHSA-45rj-9f26-3gf5, ROOT-OS-UBUNTU-2204-CVE-2024-35937, UBUNTU-CVE-2024-35937.