CVE-2022-50393

drm/amdgpu: SDMA update use unlocked iterator

State: Published
Severity: 7.8 High
Published: Sep 18, 2025
Updated: Aug 15, 2026
Reserved: Sep 17, 2025

Description

In the Linux kernel, the following vulnerability has been resolved:

drm/amdgpu: SDMA update use unlocked iterator

SDMA update page table may be called from unlocked context, this generate below warning. Use unlocked iterator to handle this case.

WARNING: CPU: 0 PID: 1475 at drivers/dma-buf/dma-resv.c:483 dma_resv_iter_next Call Trace: dma_resv_iter_first+0x43/0xa0 amdgpu_vm_sdma_update+0x69/0x2d0 [amdgpu] amdgpu_vm_ptes_update+0x29c/0x870 [amdgpu] amdgpu_vm_update_range+0x2f6/0x6c0 [amdgpu] svm_range_unmap_from_gpus+0x115/0x300 [amdgpu] svm_range_cpu_invalidate_pagetables+0x510/0x5e0 [amdgpu] __mmu_notifier_invalidate_range_start+0x1d3/0x230 unmap_vmas+0x140/0x150 unmap_region+0xa8/0x110

Scores

CVSS	Score	Vector	Source
3.1	7.8 High	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H	Linux
3.1	5.5 Medium	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H	CISA-ADP

Weaknesses

The record names no weakness.

Affected Products

Product	Versions
LinuxLinux	8bb31587820a6e04cb613b49238b1800d1a97223 to before b892c57a3a04c8de247ab9ee08a0a8cf53290e19Affected 8bb31587820a6e04cb613b49238b1800d1a97223 to before 4ff3d517cebe8a29b9f3c302b5292bb1ce291e00Affected 8bb31587820a6e04cb613b49238b1800d1a97223 to before 3913f0179ba366f7d7d160c506ce00de1602bbc4Affected
LinuxLinux	5.19Affected before 5.19Not affected 5.19.17 through 5.19.Not affected 6.0.3 through 6.0.Not affected 6.1 and laterNot affected

References

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