In the Linux kernel, the following vulnerability has been resolved: drm/msm: Fix null pointer dereferences without iommu Check if 'aspace' is set before using it as it will stay null without IOMMU, such as on msm8974.
https://git.kernel.org/stable/c/f09937e80f9bc792965476c9a528f26c8fdc9179
https://git.kernel.org/stable/c/36a1d1bda77e1851bddfa9cf4e8ada94476dbaff