CVE-2024-26833

In the Linux kernel, the following vulnerability has been resolved:
drm/amd/display: Fix memory leak in dm_sw_fini() After destroying dmub_srv,
the memory associated with it is not freed, causing a memory leak:
unreferenced object 0xffff896302b45800 (size 1024): comm “(udev-worker)”,
pid 222, jiffies 4294894636 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 (crc 6265fd77):
[<ffffffff993495ed>] kmalloc_trace+0x29d/0x340 [<ffffffffc0ea4a94>]
dm_dmub_sw_init+0xb4/0x450 [amdgpu] [<ffffffffc0ea4e55>]
dm_sw_init+0x15/0x2b0 [amdgpu] [<ffffffffc0ba8557>]
amdgpu_device_init+0x1417/0x24e0 [amdgpu] [<ffffffffc0bab285>]
amdgpu_driver_load_kms+0x15/0x190 [amdgpu] [<ffffffffc0ba09c7>]
amdgpu_pci_probe+0x187/0x4e0 [amdgpu] [<ffffffff9968fd1e>]
local_pci_probe+0x3e/0x90 [<ffffffff996918a3>] pci_device_probe+0xc3/0x230
[<ffffffff99805872>] really_probe+0xe2/0x480 [<ffffffff99805c98>]
__driver_probe_device+0x78/0x160 [<ffffffff99805daf>]
driver_probe_device+0x1f/0x90 [<ffffffff9980601e>]
__driver_attach+0xce/0x1c0 [<ffffffff99803170>] bus_for_each_dev+0x70/0xc0
[<ffffffff99804822>] bus_add_driver+0x112/0x210 [<ffffffff99807245>]
driver_register+0x55/0x100 [<ffffffff990012d1>] do_one_initcall+0x41/0x300
Fix this by freeing dmub_srv after destroying it.