CVE-2025-38319

drm/amd/pp: Fix potential NULL pointer dereference in atomctrl_initialize_mc_reg_table

State: Published
Severity: Not scored
Published: Jul 10, 2025
Updated: May 11, 2026
Reserved: Apr 16, 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.

Scores

The record has no CVSS score.

Weaknesses

The record names no weakness.

Affected Products

Product	Versions
LinuxLinux	b3892e2bb519fe18225d0628f0dd255761f16502 to before 85cdcb834fb490731ff2d123f87ca799c57dacf2Affected b3892e2bb519fe18225d0628f0dd255761f16502 to before 7080c20a9139842033ed4af604dc1fa4028593adAffected b3892e2bb519fe18225d0628f0dd255761f16502 to before cdf7e1ff99ab06ef15d0b5d1aca5258a4fb62b85Affected b3892e2bb519fe18225d0628f0dd255761f16502 to before 64f3acc8c7e6809631457b75638601b36dea3129Affected b3892e2bb519fe18225d0628f0dd255761f16502 to before a4ff7391c8b75b1541900bd9d0c238e558c11fb3Affected b3892e2bb519fe18225d0628f0dd255761f16502 to before 820116a39f96bdc7d426c33a804b52f53700a919Affected
LinuxLinux	4.18Affected before 4.18Not affected 5.15.186 through 5.15.Not affected 6.1.142 through 6.1.Not affected 6.6.94 through 6.6.Not affected 6.12.34 through 6.12.Not affected 6.15.3 through 6.15.*Not affected 6.16 and laterNot affected

Product

Versions

LinuxLinux

b3892e2bb519fe18225d0628f0dd255761f16502 to before 85cdcb834fb490731ff2d123f87ca799c57dacf2Affected
b3892e2bb519fe18225d0628f0dd255761f16502 to before 7080c20a9139842033ed4af604dc1fa4028593adAffected
b3892e2bb519fe18225d0628f0dd255761f16502 to before cdf7e1ff99ab06ef15d0b5d1aca5258a4fb62b85Affected
b3892e2bb519fe18225d0628f0dd255761f16502 to before 64f3acc8c7e6809631457b75638601b36dea3129Affected
b3892e2bb519fe18225d0628f0dd255761f16502 to before a4ff7391c8b75b1541900bd9d0c238e558c11fb3Affected
b3892e2bb519fe18225d0628f0dd255761f16502 to before 820116a39f96bdc7d426c33a804b52f53700a919Affected

LinuxLinux

4.18Affected
before 4.18Not affected
5.15.186 through 5.15.*Not affected
6.1.142 through 6.1.*Not affected
6.6.94 through 6.6.*Not affected
6.12.34 through 6.12.*Not affected
6.15.3 through 6.15.*Not affected
6.16 and laterNot affected

References

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