CVE-2023-52561 arm64: dts: qcom: sdm845-db845c: Mark cont splash memory region as reserved
A missing reserved memory region for the framebuffer in the Linux kernel for Qualcomm SDM845 devices causes a kernel panic, 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-2023-52561?
CVE-2023-52561 is a medium-severity denial of service vulnerability in Linux kernel, published on 2 Mar 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:
arm64: dts: qcom: sdm845-db845c: Mark cont splash memory region as reserved
Adding a reserved memory region for the framebuffer memory (the splash memory region set up by the bootloader).
It fixes a kernel panic (arm-smmu: Unhandled context fault at this particular memory region) reported on DB845c running v5.10.y.
Which versions are affected by CVE-2023-52561?
It affects 1 product.
Products include Linux kernel.
How do I fix CVE-2023-52561?
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-2023-52561 being exploited?
There is no known exploitation of CVE-2023-52561 in the wild and no public exploit code.
Other vulnerabilities in Linux kernel
Sources
Also known as AZL-59611, BELL-CVE-2023-52561, DEBIAN-CVE-2023-52561, GHSA-hg53-xx34-25ww, ROOT-OS-UBUNTU-2204-CVE-2023-52561, UBUNTU-CVE-2023-52561.