CVE-2021-47042

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