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 Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux Kernel | >= 4.2, < 5.19.17 |
References
- https://git.kernel.org/stable/c/3913f0179ba366f7d7d160c506ce00de1602bbc4Patch
- https://git.kernel.org/stable/c/4ff3d517cebe8a29b9f3c302b5292bb1ce291e00Patch
- https://git.kernel.org/stable/c/b892c57a3a04c8de247ab9ee08a0a8cf53290e19Patch
FAQ
What is CVE-2022-50393?
CVE-2022-50393 is a vulnerability with a CVSS score of 5.5 (MEDIUM). 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 warn...
How severe is CVE-2022-50393?
CVE-2022-50393 has been rated MEDIUM with a CVSS base score of 5.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2022-50393?
Check the references section above for vendor advisories and patch information. Affected products include: Linux Linux Kernel.