CVE-2024-26833
Published: Apr 17, 2024
Modified: May 11, 2026
Description
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.
| Vendor | Product | Versions |
|---|---|---|
Linux | Linux | affected 743b9786b14ae0d7d13b3782dccad158e577e9bb - < b49b022f7dfce85eb77d0d987008fde5c01d7857affected 743b9786b14ae0d7d13b3782dccad158e577e9bb - < 33f649f1b1cea39ed360e6c12bba4fac83118e6eaffected 743b9786b14ae0d7d13b3782dccad158e577e9bb - < 58168005337eabef345a872be3f87d0215ff3b30affected 743b9786b14ae0d7d13b3782dccad158e577e9bb - < 10c6b90e975358c17856a578419dc449887899c2affected 743b9786b14ae0d7d13b3782dccad158e577e9bb - < 541e79265ea7e339a7c4a462feafe9f8f996e04b+1 more versions |
Linux | Linux | affected 5.6unaffected 0 - < 5.6unaffected 5.10.211 - <= 5.10.*unaffected 5.15.150 - <= 5.15.*unaffected 6.1.80 - <= 6.1.*+3 more versions |
References
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