CVE-2024-50189 HID: amd_sfh: Switch to device-managed dmam_alloc_coherent()
A memory management flaw in the AMD SFH HID driver can cause page faults and disk corruption, requiring a kernel patch.
- 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-2024-50189?
CVE-2024-50189 is a high-severity memory corruption vulnerability in Linux kernel, published on 8 Nov 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:
HID: amd_sfh: Switch to device-managed dmam_alloc_coherent()
Using the device-managed version allows to simplify clean-up in probe() error path.
Additionally, this device-managed ensures proper cleanup, which helps to resolve memory errors, page faults, btrfs going read-only, and btrfs disk corruption.
Which versions are affected by CVE-2024-50189?
It affects 1 product.
Products include Linux kernel.
How do I fix CVE-2024-50189?
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-2024-50189 being exploited?
There is no known exploitation of CVE-2024-50189 in the wild and no public exploit code.
Other vulnerabilities in Linux kernel
Sources
Also known as AZL-53616, BELL-CVE-2024-50189, DEBIAN-CVE-2024-50189, GHSA-8g7q-j2w9-qr8r, UBUNTU-CVE-2024-50189.