CVE-2024-26833

In the Linux kernel, the following vulnerability has been resolved:<br /> <br /> drm/amd/display: Fix memory leak in dm_sw_fini()<br /> <br /> After destroying dmub_srv, the memory associated with it is<br /> not freed, causing a memory leak:<br /> <br /> unreferenced object 0xffff896302b45800 (size 1024):<br /> comm "(udev-worker)", pid 222, jiffies 4294894636<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 (crc 6265fd77):<br /> [] kmalloc_trace+0x29d/0x340<br /> [] dm_dmub_sw_init+0xb4/0x450 [amdgpu]<br /> [] dm_sw_init+0x15/0x2b0 [amdgpu]<br /> [] amdgpu_device_init+0x1417/0x24e0 [amdgpu]<br /> [] amdgpu_driver_load_kms+0x15/0x190 [amdgpu]<br /> [] amdgpu_pci_probe+0x187/0x4e0 [amdgpu]<br /> [] local_pci_probe+0x3e/0x90<br /> [] pci_device_probe+0xc3/0x230<br /> [] really_probe+0xe2/0x480<br /> [] __driver_probe_device+0x78/0x160<br /> [] driver_probe_device+0x1f/0x90<br /> [] __driver_attach+0xce/0x1c0<br /> [] bus_for_each_dev+0x70/0xc0<br /> [] bus_add_driver+0x112/0x210<br /> [] driver_register+0x55/0x100<br /> [] do_one_initcall+0x41/0x300<br /> <br /> Fix this by freeing dmub_srv after destroying it.