CVE-2024-47662 drm/amd/display: Remove register from DCN35 DMCUB diagnostic collection
A Linux kernel driver issue causes security violations and blocks power states when diagnostics are collected, 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-2024-47662?
CVE-2024-47662 is a medium-severity denial of service vulnerability in Linux kernel, published on 9 Oct 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:
drm/amd/display: Remove register from DCN35 DMCUB diagnostic collection
[Why] These registers should not be read from driver and triggering the security violation when DMCUB work times out and diagnostics are collected blocks Z8 entry.
[How] Remove the register read from DCN35.
Which versions are affected by CVE-2024-47662?
It affects 1 product.
Products include Linux kernel.
How do I fix CVE-2024-47662?
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-2024-47662 being exploited?
There is no known exploitation of CVE-2024-47662 in the wild and no public exploit code.
Other vulnerabilities in Linux kernel
Sources
Also known as AZL-50736, AZL-50933, BELL-CVE-2024-47662, DEBIAN-CVE-2024-47662, GHSA-mjg4-c9jw-rmgw, ROOT-OS-DEBIAN-11-CVE-2024-47662 and 3 more.