{"id":"CVE-2022-50393","title":"In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/amdgpu: SDMA update use unlocked iterator\n\nSDMA update page table may be called from unlocked context, this\ngenerate below warning","summary":"In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/amdgpu: SDMA update use unlocked iterator\n\nSDMA update page table may be called from unlocked context, this\ngenerate below warning. Use unlocked iterator to handle …","severity":"high","cvss":7.8,"cvssVector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","vendor":"linux","product":"linux_kernel","affected":["linux_kernel >= 4.2, < 5.19.17","linux_kernel >= 6.0, < 6.0.3"],"patched":["linux_kernel 6.0.3"],"published":"2025-09-18","updated":"2026-08-15","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2022-50393","references":[{"url":"https://git.kernel.org/stable/c/3913f0179ba366f7d7d160c506ce00de1602bbc4","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/4ff3d517cebe8a29b9f3c302b5292bb1ce291e00","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/b892c57a3a04c8de247ab9ee08a0a8cf53290e19","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"}],"tags":["nvd"],"epss":0.00162,"epssPercentile":0.05841,"ingestedAt":"2026-08-15T13:26:45.657Z","slug":"CVE-2022-50393","body":"## Overview\n\nIn the Linux kernel, the following vulnerability has been resolved:\n\ndrm/amdgpu: SDMA update use unlocked iterator\n\nSDMA update page table may be called from unlocked context, this\ngenerate below warning. Use unlocked iterator to handle this case.\n\nWARNING: CPU: 0 PID: 1475 at\ndrivers/dma-buf/dma-resv.c:483 dma_resv_iter_next\nCall Trace:\n dma_resv_iter_first+0x43/0xa0\n amdgpu_vm_sdma_update+0x69/0x2d0 [amdgpu]\n amdgpu_vm_ptes_update+0x29c/0x870 [amdgpu]\n amdgpu_vm_update_range+0x2f6/0x6c0 [amdgpu]\n svm_range_unmap_from_gpus+0x115/0x300 [amdgpu]\n svm_range_cpu_invalidate_pagetables+0x510/0x5e0 [amdgpu]\n __mmu_notifier_invalidate_range_start+0x1d3/0x230\n unmap_vmas+0x140/0x150\n unmap_region+0xa8/0x110\n\n## Affected\n\n- `linux_kernel >= 4.2, < 5.19.17`\n- `linux_kernel >= 6.0, < 6.0.3`\n\n## Remediation\n\nUpgrade past the affected range:\n\n- `linux_kernel 6.0.3`","depth":"twilight","depthScore":43,"depthScoreParts":{"impact":42.9,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}