Integer Overflow Vulnerability in Linux Kernel's AMD Display Driver
Summary
CVE-2024-47661: In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Avoid overflow from uint32_t to uint8_t [WHAT & HOW] dmub_rb_cmd's ramping_boundary has size of uint8_t and it is assigned 0xFFFF. Affects linux versions 5.10.103-1 – 6.9.9-1. No fix is published. How to fix ↓
Check if this vulnerability affects your application
Upload a manifest or SBOM and we'll show whether you're affected, plus every other risky package in the same scan.
No signup required · Results in about 60 seconds
Background
The Linux kernel is a core component of many operating systems, providing essential services for hardware management and system operations. The AMD display driver is part of the Direct Rendering Manager (DRM) subsystem, responsible for managing graphics processing units (GPUs) and rendering graphics. This vulnerability arises from an integer overflow issue in the AMD display driver, which can potentially lead to unexpected behavior or system crashes.
Vulnerability Detail
In the Linux kernel, specifically within the AMD display driver, an integer overflow occurs due to the assignment of a value (0xFFFF) to a variable (ramping_boundary) that is defined as uint8_t. This can lead to improper handling of data and may result in security vulnerabilities, including potential crashes or exploitation by malicious actors. The vulnerability has been identified and resolved, but it highlights the importance of careful data type management in system-level programming.
How To Fix
No fixed version is published for this vulnerability.
Tip — Not sure whether your app is affected? Vulert can check the versions your app actually runs. Scan free →
Workaround
Currently, no specific workarounds have been provided for this vulnerability. It is recommended to apply the patch as soon as it becomes available.
Conclusion
The CVE-2024-47661 vulnerability in the Linux kernel's AMD display driver poses significant risks due to an integer overflow issue. It is essential to update to the patched version to ensure system security and stability. Monitoring tools like Vulert can assist in identifying vulnerabilities in your software.
See every vulnerability recorded for linux →
FAQ
CVE-2024-47661 is a vulnerability in the Linux kernel's AMD display driver that involves an integer overflow due to improper data type assignment.
This vulnerability can lead to unexpected behavior, crashes, or potential exploitation by attackers, affecting the stability and security of your system.
Versions of the Linux kernel prior to the patched version (6.10.9-1 for Debian 13) are affected. Check your version to determine if you need to update.
You can use Vulert, which monitors and alerts for open-source vulnerabilities in your software using a manifest file like package-lock.json. Visit https://vulert.com for more information.
While no specific workarounds are available, it is crucial to prioritize updating your system to mitigate the risk associated with this vulnerability.
Related vulnerabilities
Recent vulnerabilities recorded for linux.
