CVE-2025-38319
Published: July 12, 2025Last modified: July 12, 2025
Description
In the Linux kernel, the following vulnerability has been resolved: drm/amd/pp: Fix potential NULL pointer dereference in atomctrl_initialize_mc_reg_table The function atomctrl_initialize_mc_reg_table() and atomctrl_initialize_mc_reg_table_v2_2() does not check the return value of smu_atom_get_data_table(). If smu_atom_get_data_table() fails to retrieve vram_info, it returns NULL which is later dereferenced.
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 (6.1.143-r1) |
| 25 LTS | linux-lts | Fixed (6.12.41-r0) | |
| Stream | linux-lts | Fixed (6.12.41-r0) |
References
- https://git.kernel.org/stable/c/64f3acc8c7e6809631457b75638601b36dea3129
- https://git.kernel.org/stable/c/7080c20a9139842033ed4af604dc1fa4028593ad
- https://git.kernel.org/stable/c/820116a39f96bdc7d426c33a804b52f53700a919
- https://git.kernel.org/stable/c/85cdcb834fb490731ff2d123f87ca799c57dacf2
- https://git.kernel.org/stable/c/a4ff7391c8b75b1541900bd9d0c238e558c11fb3
- https://git.kernel.org/stable/c/cdf7e1ff99ab06ef15d0b5d1aca5258a4fb62b85
- https://lists.debian.org/debian-lts-announce/2025/10/msg00008.html