CVE-2024-49898: drm/amd/display: Check null-initialized variables
First published: Mon Oct 21 2024(Updated: )
In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Check null-initialized variables [WHAT & HOW] drr_timing and subvp_pipe are initialized to null and they are not always assigned new values. It is necessary to check for null before dereferencing. This fixes 2 FORWARD_NULL issues reported by Coverity.
Credit: 416baaa9-dc9f-4396-8d5f-8c081fb06d67 416baaa9-dc9f-4396-8d5f-8c081fb06d67
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Linux Linux kernel | <6.10.14 | |
| Linux Linux kernel | >=6.11<6.11.3 | |
| debian/linux | <=5.10.223-1<=5.10.226-1<=6.1.115-1<=6.1.119-1 | 6.12.5-1 6.12.6-1 |
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Reference Links
- https://git.kernel.org/stable/c/115b1a3b0944b4d8ef0b4b0c5a625bdd9474131f
- https://git.kernel.org/stable/c/26d262b79a3587aaa84368586a55e9026c67841b
- https://git.kernel.org/stable/c/367cd9ceba1933b63bc1d87d967baf6d9fd241d2
- https://git.kernel.org/stable/c/3fc70ae048fe0936761b73b50700a810ff61e853
- https://git.kernel.org/stable/c/c3a3b6d9a9383e3c1a4a08878ba5046e68647595
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2024-49898
- https://nvd.nist.gov/vuln/detail/CVE-2024-49898
- https://launchpad.net/bugs/cve/CVE-2024-49898
- https://security-tracker.debian.org/tracker/CVE-2024-49898
- https://ubuntu.com/security/CVE-2024-49898
- https://git.kernel.org/linus/367cd9ceba1933b63bc1d87d967baf6d9fd241d2
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