CVE-2024-49923
Published: October 23, 2024Last modified: November 3, 2026
Description
In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Pass non-null to dcn20_validate_apply_pipe_split_flags [WHAT & HOW] "dcn20_validate_apply_pipe_split_flags" dereferences merge, and thus it cannot be a null pointer. Let's pass a valid pointer to avoid null dereference. This fixes 2 FORWARD_NULL issues reported by Coverity.
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score | 5.5 |
| Attack Vector | LOCAL |
| Attack complexity | LOW |
| Privileges required | LOW |
| User interaction | NONE |
| Scope | UNCHANGED |
| Confidentiality | NONE |
| Integrity impact | NONE |
| Availability impact | HIGH |
| Vector | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |
Status
| Product | Release | Package | Status |
|---|---|---|---|
| Alpaquita Linux | 23 LTS | linux-lts | Fixed (6.1.191-r0) |
| 25 LTS | linux-lts | Fixed (6.12.41-r0) | |
| Stream | linux-lts | Fixed (6.12.41-r0) |
References
- https://git.kernel.org/stable/c/34fe02e7207be635725dcf92dbe7003e11697a5b
- https://git.kernel.org/stable/c/39a580cd15397e102aaec25986ae5acf492f8930
- https://git.kernel.org/stable/c/5559598742fb4538e4c51c48ef70563c49c2af23
- https://git.kernel.org/stable/c/85aa996ecfaa95d1e922867390502d23ce21b905
- https://git.kernel.org/stable/c/9a05270869f40c89f8d184fe2d37cb86e0d7e5f5