CVE-2022-50393: drm/amdgpu: SDMA update use unlocked iterator
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 dmaresviternext Call Trace: dmaresviterfirst+0x43/0xa0 amdgpuvmsdmaupdate+0x69/0x2d0 [amdgpu] amdgpuvmptesupdate+0x29c/0x870 [amdgpu] amdgpuvmupdaterange+0x2f6/0x6c0 [amdgpu] svmrangeunmapfromgpus+0x115/0x300 [amdgpu] svmrangecpuinvalidatepagetables+0x510/0x5e0 [amdgpu] mmunotifierinvalidaterangestart+0x1d3/0x230 unmapvmas+0x140/0x150 unmapregion+0xa8/0x110
Affected Software
Event History
Frequently Asked Questions
What is the severity of CVE-2022-50393?
CVE-2022-50393 is considered to be of moderate severity due to potential impact on system stability.
How do I fix CVE-2022-50393?
To fix CVE-2022-50393, update your Linux kernel to the version that addresses this vulnerability.
What systems are affected by CVE-2022-50393?
CVE-2022-50393 affects the Linux Kernel specifically in the context of the amdgpu graphics driver.
What is the potential impact of CVE-2022-50393?
The potential impact of CVE-2022-50393 includes instability and possible crashes in systems using the affected kernel.
Is there a workaround for CVE-2022-50393?
Currently, there are no recommended workarounds for CVE-2022-50393; updating the kernel is necessary.