CVE-2024-41026 mmc: davinci_mmc: Prevent transmitted data size from exceeding sgm's length
A missing size check in the davinci_mmc driver causes a kernel panic when transmitted data exceeds the scatter-gather length, leading to 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-2024-41026?
CVE-2024-41026 is a high-severity denial of service vulnerability in Linux kernel, published on 29 Jul 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:
mmc: davinci_mmc: Prevent transmitted data size from exceeding sgm's length
No check is done on the size of the data to be transmiited. This causes a kernel panic when this size exceeds the sg_miter's length.
Limit the number of transmitted bytes to sgm->length.
Which versions are affected by CVE-2024-41026?
It affects 1 product.
Products include Linux kernel.
How do I fix CVE-2024-41026?
Apply the vendor's patch.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2024-41026 being exploited?
There is no known exploitation of CVE-2024-41026 in the wild and no public exploit code.
Other vulnerabilities in Linux kernel
Sources
Also known as BELL-CVE-2024-41026, DEBIAN-CVE-2024-41026, GHSA-vm6p-m28p-wq32, UBUNTU-CVE-2024-41026.