Vulnerabilidad en kernel de Linux (CVE-2023-52912)

En el kernel de Linux se ha resuelto la siguiente vulnerabilidad: drm/amdgpu: Se corrigió el error al descargar amdgpu. Se corrigió el error al descargar amdgpu. El mensaje de error es el siguiente: [377.706202] ERROR del kernel en drivers/gpu/drm/drm_buddy.c:278. [ 377.706215] código de operación no válido: 0000 [#1] PREEMPT SMP NOPTI [ 377.706222] CPU: 4 PID: 8610 Comm: modprobe Contaminado: G IOE 6.0.0-thomas #1 [ 377.706231] Nombre de hardware: Nombre del producto del sistema ASUS/PRIME Z390 -A, BIOS 2004 02/11/2021 [377.706238] RIP: 0010:drm_buddy_free_block+0x26/0x30 [drm_buddy] [377.706264] Código: 00 00 00 90 0f 1f 44 00 00 48 8b 0e 89 8 25 00 0c 00 00 3d 00 04 00 00 75 10 48 8b 47 18 48 d3 e0 48 01 47 28 e9 fa fe ff ff <0f> 0b 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 41 54 55 48 89 f5 [ 377.706282] RSP : 0018:ffffad2dc4683cb8 EFLAGS: 00010287 [ 377.706289] RAX: 0000000000000000 RBX: ffff8b1743bd5138 RCX: 0000000000000000 [ 377.706297] RDX: ffff8b1743bd5160 RSI: ffff8b1743bd5c78 RDI: ffff8b16d1b25f70 [ 377.706304] RBP: ffff8b1743bd59e0 R08: 0000000000000001 R09: 00000000000000001 [ 377.706311] R10: ffff8b16c8572400 R11 : ffffad2dc4683cf0 R12: ffff8b16d1b25f70 [ 377.706318] R13: ffff8b16d1b25fd0 R14: ffff8b1743bd59c0 R15: ffff8b16d1b25f70 [ 377.706325] FS: 07fec56c72c40(0000) GS:ffff8b1836500000(0000) knlGS:0000000000000000 [ 377.706334] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 377.706340] CR2: 00007f9b88c1ba50 CR3: 0000000110450004 CR4: 00000000003706e0 [ 377.706347] DR0: 0000000000000000 DR1: 00000000000000 00 DR2: 0000000000000000 [ 377.706354] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 377.706361] Seguimiento de llamadas: [ 377.706365] > [ 377.706369 ] drm_buddy_free_list+0x2a/0x60 [drm_buddy] [ 377.706376] amdgpu_vram_mgr_fini+0xea/0x180 [amdgpu] [ 377.706572] amdgpu_ttm_fini+0x12e/0x1a0 [amdgpu] [ 377.706650] dgpu_bo_fini+0x22/0x90 [amdgpu] [ 377.706727] gmc_v11_0_sw_fini+0x26/0x30 [amdgpu] [ 377.706821] amdgpu_device_fini_sw+0xa1/0x3c0 [amdgpu] [ 377.706897] amdgpu_driver_release_kms+0x12/0x30 [amdgpu] [ 377.706975] drm_dev_release+0x20/0x40 [drm] 377.707006] release_nodes+0x35/0xb0 [ 377.707014] devres_release_all+0x8b /0xc0 [ 377.707020] dispositivo_unbind_cleanup+0xe/0x70 [ 377.707027] dispositivo_release_driver_internal+0xee/0x160 [ 377.707033] driver_detach+0x44/0x90 [ 377.707039] bus_remove_driver+0x55/0x e0 [377.707045] pci_unregister_driver+0x3b/0x90 [377.707052] amdgpu_exit+0x11/0x6c [amdgpu] [377.707194] __x64_sys_delete_module+0x142/0x2b0 [377.707201]? fpregs_assert_state_consistent+0x22/0x50 [377.707208]? exit_to_user_mode_prepare+0x3e/0x190 [ 377.707215] do_syscall_64+0x38/0x90 [ 377.707221] entrada_SYSCALL_64_after_hwframe+0x63/0xcd