CVE-2024-49906: drm/amd/display: Check null pointer before try to access it
First published: Mon Oct 21 2024(Updated: )
In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Check null pointer before try to access it [why & how] Change the order of the pipe_ctx->plane_state check to ensure that plane_state is not null before accessing it.
Credit: 416baaa9-dc9f-4396-8d5f-8c081fb06d67 416baaa9-dc9f-4396-8d5f-8c081fb06d67
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Linux Kernel | <6.11.3 | |
| debian/linux | <=5.10.223-1<=5.10.234-1<=6.1.129-1<=6.1.133-1 | 6.12.22-1 |
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Reference Links
- https://git.kernel.org/stable/c/ebef6616219ff04abdeb39450625f85419787ee3
- https://git.kernel.org/stable/c/2002ccb93004e76a471b180560accb2c1f850f35
- https://git.kernel.org/stable/c/1b686053c06ffb9f4524b288110cf2a831ff7a25
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2024-49906
- https://nvd.nist.gov/vuln/detail/CVE-2024-49906
- https://launchpad.net/bugs/cve/CVE-2024-49906
- https://security-tracker.debian.org/tracker/CVE-2024-49906
- https://ubuntu.com/security/CVE-2024-49906
- https://git.kernel.org/linus/1b686053c06ffb9f4524b288110cf2a831ff7a25
Frequently Asked Questions
What is the severity of CVE-2024-49906?
CVE-2024-49906 is considered a high severity vulnerability due to the potential for remote code execution when accessing null pointers in the Linux kernel.
How do I fix CVE-2024-49906?
To fix CVE-2024-49906, upgrade your Linux kernel to versions 6.12.12-1 or 6.12.15-1 or ensure you are using a patched version from the Debian repository.
What systems are affected by CVE-2024-49906?
CVE-2024-49906 affects various versions of the Linux kernel, specifically versions prior to 6.11.3 and certain Debian packages.
What are the consequences of exploiting CVE-2024-49906?
Exploiting CVE-2024-49906 may lead to system crashes or potentially allow attackers to execute arbitrary code, impacting system stability and security.
How was CVE-2024-49906 discovered?
CVE-2024-49906 was discovered through code analysis that identified the lack of a null pointer check before accessing specific data structures in the Linux kernel's display driver.
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