CVE-2024-53201: drm/amd/display: Fix null check for pipe_ctx->plane_state in dcn20_program_pipe
First published: Fri Dec 27 2024(Updated: )
In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Fix null check for pipe_ctx->plane_state in dcn20_program_pipe This commit addresses a null pointer dereference issue in dcn20_program_pipe(). Previously, commit 8e4ed3cf1642 ("drm/amd/display: Add null check for pipe_ctx->plane_state in dcn20_program_pipe") partially fixed the null pointer dereference issue. However, in dcn20_update_dchubp_dpp(), the variable pipe_ctx is passed in, and plane_state is accessed again through pipe_ctx. Multiple if statements directly call attributes of plane_state, leading to potential null pointer dereference issues. This patch adds necessary null checks to ensure stability.
Credit: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Linux kernel | >=6.6.64<6.7 | |
| Linux kernel | >=6.11.3<6.11.11 | |
| Linux kernel | >=6.12<6.12.2 | |
| Linux Kernel | >=6.6.64<6.7 | |
| Linux Kernel | >=6.11.3<6.11.11 | |
| Linux Kernel | >=6.12<6.12.2 | |
| debian/linux | 5.10.223-1 5.10.234-1 6.1.129-1 6.1.133-1 6.12.21-1 6.12.22-1 |
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Reference Links
- https://git.kernel.org/stable/c/6b4ee2560d4d8de2688da68cd9581177035e0876
- https://git.kernel.org/stable/c/3609259326171cd5b98462636580fb2ae5c87d40
- https://git.kernel.org/stable/c/6a057072ddd127255350357dd880903e8fa23f36
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2024-53201
- https://nvd.nist.gov/vuln/detail/CVE-2024-53201
- https://launchpad.net/bugs/cve/CVE-2024-53201
- https://security-tracker.debian.org/tracker/CVE-2024-53201
- https://ubuntu.com/security/CVE-2024-53201
- https://git.kernel.org/linus/6a057072ddd127255350357dd880903e8fa23f36
Frequently Asked Questions
What is the severity of CVE-2024-53201?
CVE-2024-53201 has been classified as a high severity vulnerability due to the potential for a null pointer dereference leading to system crashes.
Which versions of the Linux kernel are affected by CVE-2024-53201?
CVE-2024-53201 affects Linux kernel versions from 6.6.64 to 6.7, from 6.11.3 to 6.11.11, and from 6.12 to 6.12.2.
How do I fix CVE-2024-53201?
To fix CVE-2024-53201, update the Linux kernel to a version that is not affected, such as 6.7 or higher for the 6.6 branch.
What does CVE-2024-53201 impact in the Linux kernel?
CVE-2024-53201 impacts the AMD display driver within the Linux kernel, specifically affecting the dcn20_program_pipe function.
Is it safe to use affected versions of the Linux kernel with CVE-2024-53201?
Using affected versions of the Linux kernel with CVE-2024-53201 is not safe as it can lead to system instability and crashes.
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