CVE-2021-47551 Information

Description

In the Linux kernel the following vulnerability has been resolved:

drm/amd/amdkfd: Fix kernel panic when reset failed and been triggered again

In SRIOV configuration the reset may failed to bring asic back to normal but stop cpsch already been called the start_cpsch will not be called since there is no resume in this case. When reset been triggered again driver should avoid to do uninitialization again.

Reference

https://git.kernel.org/stable/c/74aafe99efb68f15e50be9f7032c2168512f98a8 https://git.kernel.org/stable/c/06c6f8f86ec243b89e52f0c3dc7062bcb9de74df https://git.kernel.org/stable/c/2cf49e00d40d5132e3d067b5aa6d84791929ab15