CVE-2021-47042

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Free local data after use Fixes the following memory leak in dc_link_construct(): unreferenced object 0xffffa03e81471400 (size 1024): comm "amd_module_load", pid 2486, jiffies 4294946026 (age 10.544s) hex dump (first 32 bytes): 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ backtrace: [ ] kmem_cache_alloc_trace+0x30a/0x4a0 [ ] link_create+0xce/0xac0 [amdgpu] [ ] dc_create+0x370/0x720 [amdgpu] [ ] amdgpu_dm_init+0x18e/0x17a0 [amdgpu] [ ] dm_hw_init+0x12/0x20 [amdgpu] [ ] amdgpu_device_init+0x1463/0x1e60 [amdgpu] [ ] amdgpu_driver_load_kms+0x5b/0x330 [amdgpu] [ ] amdgpu_pci_probe+0x192/0x280 [amdgpu] [ ] local_pci_probe+0x47/0xa0 [ ] pci_device_probe+0xe3/0x180 [ ] really_probe+0x1c4/0x4e0 [ ] driver_probe_device+0x62/0x150 [ ] device_driver_attach+0x58/0x60 [ ] __driver_attach+0xd6/0x150 [ ] bus_for_each_dev+0x6a/0xc0 [ ] driver_attach+0x1e/0x20