drm/amd/pp: Fix potential NULL pointer dereference in atomctrl_initialize_mc_reg_table
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.
02 / AFFECTED SOFTWARE
Affected packages
03 / CONNECTIONS
Connected vulnerabilities
04 / EVIDENCE
Source records
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.
05 / REFERENCES
Further evidence
- https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
- 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://github.com/CVEProject/cvelistV5/tree/main/cves/2025/38xxx/CVE-2025-38319.json
- https://lists.debian.org/debian-lts-announce/2025/10/msg00008.html
- https://nvd.nist.gov/vuln/detail/CVE-2025-38319