In the Linux kernel, the following vulnerability has been resolved:
iommu: sprd: Avoid NULL deref in sprd_iommu_hw_en
In sprd_iommu_cleanup() before calling function sprd_iommu_hw_en() dom->sdev is equal to NULL, which leads to null dereference.
Found by Linux Verification Center (linuxtesting.org) with SVACE.
Exploitability
AV:LAC:LPR:LUI:NScope
S:UImpact
C:NI:NA:H5.5/CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H