Vulnerability details

CVE-2022-50393

Linux Linux

drm/amdgpu: SDMA update use unlocked iterator

CVSS 3.1

7.8High

Official 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

CVSS scores

Score	Version	Source	Vector
5.5Medium	3.1	CISA ADP / Vulnrichment (CISA-ADP)	`CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H`
7.8High	3.1	CVEProject cvelistV5 (CNA) (Linux)	`CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H`

Affected products

Vendor	Product	Versions	Source
Linux	Linux	5.19	CVEProject cvelistV5 (CNA)
Linux	Linux	8bb31587820a6e04cb613b49238b1800d1a97223 ≤ v < b892c57a3a04c8de247ab9ee08a0a8cf53290e19	CVEProject cvelistV5 (CNA)
Linux	Linux	8bb31587820a6e04cb613b49238b1800d1a97223 ≤ v < 4ff3d517cebe8a29b9f3c302b5292bb1ce291e00	CVEProject cvelistV5 (CNA)
Linux	Linux	8bb31587820a6e04cb613b49238b1800d1a97223 ≤ v < 3913f0179ba366f7d7d160c506ce00de1602bbc4	CVEProject cvelistV5 (CNA)

References and advisories

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Details

Published: 2025-09-18
Last updated: 2026-08-15
State: Published
Assigner (CNA): Linux

Exploit prediction (EPSS)

0.16%

Probability of exploitation in 30 days

5.8%

Percentile (among all CVEs)

SSVC assessment (CISA)

Automatable: No
Exploitation: None
Technical impact: Partial