CVE-2024-49893: drm/amd/display: Check stream_status before it is used
First published: Mon Oct 21 2024(Updated: )
In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Check stream_status before it is used [WHAT & HOW] dc_state_get_stream_status can return null, and therefore null must be checked before stream_status is used. This fixes 1 NULL_RETURNS issue reported by Coverity.
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<=6.1.128-1 | 6.12.20-1 6.12.21-1 |
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Reference Links
- https://git.kernel.org/stable/c/4914c8bfee1843fae046a12970b6f178e6642659
- https://git.kernel.org/stable/c/58a8ee96f84d2c21abb85ad8c22d2bbdf59bd7a9
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2024-49893
- https://nvd.nist.gov/vuln/detail/CVE-2024-49893
- https://launchpad.net/bugs/cve/CVE-2024-49893
- https://security-tracker.debian.org/tracker/CVE-2024-49893
- https://ubuntu.com/security/CVE-2024-49893
- https://git.kernel.org/linus/58a8ee96f84d2c21abb85ad8c22d2bbdf59bd7a9
Frequently Asked Questions
What is the severity of CVE-2024-49893?
CVE-2024-49893 is categorized with a severity level that may impact the stability and security of systems using the affected Linux kernel versions.
How do I fix CVE-2024-49893?
To address CVE-2024-49893, update your Linux kernel to version 6.12.12-1, 6.12.15-1 or ensure your system uses a patched version of the kernel.
Which Linux kernel versions are affected by CVE-2024-49893?
CVE-2024-49893 affects Linux kernel versions up to 6.11.3 and specific versions from 5.10.x and 6.1.x prior to the updates.
Is CVE-2024-49893 related to any specific component of the Linux kernel?
Yes, CVE-2024-49893 relates specifically to the drm/amd/display component in the Linux kernel.
What kind of exploitation can result from CVE-2024-49893?
Exploitation of CVE-2024-49893 can potentially lead to system instability or crashes due to improper handling of null stream statuses.
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