CVE-2023-53309 drm/radeon: Fix integer overflow in radeon_cs_parser_init
An integer overflow in the Radeon DRM driver can lead to uninitialized memory access, potentially causing system crashes or undefined behavior.
- 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-2023-53309?
CVE-2023-53309 is a medium-severity vulnerability in Linux kernel, published on 16 Sep 2025. 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/radeon: Fix integer overflow in radeon_cs_parser_init
The type of size is unsigned, if size is 0x40000000, there will be an integer overflow, size will be zero after size *= sizeof(uint32_t), will cause uninitialized memory to be referenced later
Weakness: CWE-190
Which versions are affected by CVE-2023-53309?
It affects 1 product.
Products include Linux kernel.
How do I fix CVE-2023-53309?
Apply the vendor's patch.
Is CVE-2023-53309 being exploited?
There is no known exploitation of CVE-2023-53309 in the wild and no public exploit code.
Other vulnerabilities in Linux kernel
Sources
Also known as BELL-CVE-2023-53309, DEBIAN-CVE-2023-53309, GHSA-4rmv-vj76-xqwc, UBUNTU-CVE-2023-53309.