Vulnerability Information
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Vulnerability Title
drm/amdgpu: SDMA update use unlocked iterator
Vulnerability 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 Information
N/A
Vulnerability Type
N/A
Vulnerability Title
Linux kernel 安全漏洞
Vulnerability Description
Linux kernel是美国Linux基金会的开源操作系统Linux所使用的内核。 Linux kernel存在安全漏洞，该漏洞源于SDMA更新页面表时使用了未锁定的迭代器，可能导致警告或数据不一致。
CVSS Information
N/A
Vulnerability Type
N/A