{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2024-56608","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","state":"PUBLISHED","assignerShortName":"Linux","dateReserved":"2024-12-27T14:03:06.013Z","datePublished":"2024-12-27T14:51:13.210Z","dateUpdated":"2025-11-03T20:50:55.342Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2025-07-11T17:21:33.928Z"},"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/amd/display: Fix out-of-bounds access in 'dcn21_link_encoder_create'\n\nAn issue was identified in the dcn21_link_encoder_create function where\nan out-of-bounds access could occur when the hpd_source index was used\nto reference the link_enc_hpd_regs array. This array has a fixed size\nand the index was not being checked against the array's bounds before\naccessing it.\n\nThis fix adds a conditional check to ensure that the hpd_source index is\nwithin the valid range of the link_enc_hpd_regs array. If the index is\nout of bounds, the function now returns NULL to prevent undefined\nbehavior.\n\nReferences:\n\n[   65.920507] ------------[ cut here ]------------\n[   65.920510] UBSAN: array-index-out-of-bounds in drivers/gpu/drm/amd/amdgpu/../display/dc/resource/dcn21/dcn21_resource.c:1312:29\n[   65.920519] index 7 is out of range for type 'dcn10_link_enc_hpd_registers [5]'\n[   65.920523] CPU: 3 PID: 1178 Comm: modprobe Tainted: G           OE      6.8.0-cleanershaderfeatureresetasdntipmi200nv2132 #13\n[   65.920525] Hardware name: AMD Majolica-RN/Majolica-RN, BIOS WMJ0429N_Weekly_20_04_2 04/29/2020\n[   65.920527] Call Trace:\n[   65.920529]  <TASK>\n[   65.920532]  dump_stack_lvl+0x48/0x70\n[   65.920541]  dump_stack+0x10/0x20\n[   65.920543]  __ubsan_handle_out_of_bounds+0xa2/0xe0\n[   65.920549]  dcn21_link_encoder_create+0xd9/0x140 [amdgpu]\n[   65.921009]  link_create+0x6d3/0xed0 [amdgpu]\n[   65.921355]  create_links+0x18a/0x4e0 [amdgpu]\n[   65.921679]  dc_create+0x360/0x720 [amdgpu]\n[   65.921999]  ? dmi_matches+0xa0/0x220\n[   65.922004]  amdgpu_dm_init+0x2b6/0x2c90 [amdgpu]\n[   65.922342]  ? console_unlock+0x77/0x120\n[   65.922348]  ? dev_printk_emit+0x86/0xb0\n[   65.922354]  dm_hw_init+0x15/0x40 [amdgpu]\n[   65.922686]  amdgpu_device_init+0x26a8/0x33a0 [amdgpu]\n[   65.922921]  amdgpu_driver_load_kms+0x1b/0xa0 [amdgpu]\n[   65.923087]  amdgpu_pci_probe+0x1b7/0x630 [amdgpu]\n[   65.923087]  local_pci_probe+0x4b/0xb0\n[   65.923087]  pci_device_probe+0xc8/0x280\n[   65.923087]  really_probe+0x187/0x300\n[   65.923087]  __driver_probe_device+0x85/0x130\n[   65.923087]  driver_probe_device+0x24/0x110\n[   65.923087]  __driver_attach+0xac/0x1d0\n[   65.923087]  ? __pfx___driver_attach+0x10/0x10\n[   65.923087]  bus_for_each_dev+0x7d/0xd0\n[   65.923087]  driver_attach+0x1e/0x30\n[   65.923087]  bus_add_driver+0xf2/0x200\n[   65.923087]  driver_register+0x64/0x130\n[   65.923087]  ? __pfx_amdgpu_init+0x10/0x10 [amdgpu]\n[   65.923087]  __pci_register_driver+0x61/0x70\n[   65.923087]  amdgpu_init+0x7d/0xff0 [amdgpu]\n[   65.923087]  do_one_initcall+0x49/0x310\n[   65.923087]  ? kmalloc_trace+0x136/0x360\n[   65.923087]  do_init_module+0x6a/0x270\n[   65.923087]  load_module+0x1fce/0x23a0\n[   65.923087]  init_module_from_file+0x9c/0xe0\n[   65.923087]  ? init_module_from_file+0x9c/0xe0\n[   65.923087]  idempotent_init_module+0x179/0x230\n[   65.923087]  __x64_sys_finit_module+0x5d/0xa0\n[   65.923087]  do_syscall_64+0x76/0x120\n[   65.923087]  entry_SYSCALL_64_after_hwframe+0x6e/0x76\n[   65.923087] RIP: 0033:0x7f2d80f1e88d\n[   65.923087] Code: 5b 41 5c c3 66 0f 1f 84 00 00 00 00 00 f3 0f 1e fa 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 73 b5 0f 00 f7 d8 64 89 01 48\n[   65.923087] RSP: 002b:00007ffc7bc1aa78 EFLAGS: 00000246 ORIG_RAX: 0000000000000139\n[   65.923087] RAX: ffffffffffffffda RBX: 0000564c9c1db130 RCX: 00007f2d80f1e88d\n[   65.923087] RDX: 0000000000000000 RSI: 0000564c9c1e5480 RDI: 000000000000000f\n[   65.923087] RBP: 0000000000040000 R08: 0000000000000000 R09: 0000000000000002\n[   65.923087] R10: 000000000000000f R11: 0000000000000246 R12: 0000564c9c1e5480\n[   65.923087] R13: 0000564c9c1db260 R14: 0000000000000000 R15: 0000564c9c1e54b0\n[   65.923087]  </TASK>\n[   65.923927] ---[ end trace ]---"}],"affected":[{"product":"Linux","vendor":"Linux","defaultStatus":"unaffected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/gpu/drm/amd/display/dc/resource/dcn21/dcn21_resource.c"],"versions":[{"version":"4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c","lessThan":"280f722601c8bf4d8a9c62dd727cf3a2fd0a47be","status":"affected","versionType":"git"},{"version":"4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c","lessThan":"b19ca8425a4b86e8f0d7c33c4e87ef7b0ebdaa29","status":"affected","versionType":"git"},{"version":"4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c","lessThan":"5bd410c21037107b83ffbb51dd2d6460f9de9ed1","status":"affected","versionType":"git"},{"version":"4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c","lessThan":"08ac5fdb9c6dc34d0ed4bc64ce3c5c3d411b3b53","status":"affected","versionType":"git"},{"version":"4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c","lessThan":"f01ddd589e162979421e6914b1c74018633f01e0","status":"affected","versionType":"git"},{"version":"4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c","lessThan":"63de35a8fcfca59ae8750d469a7eb220c7557baf","status":"affected","versionType":"git"}]},{"product":"Linux","vendor":"Linux","defaultStatus":"affected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/gpu/drm/amd/display/dc/resource/dcn21/dcn21_resource.c"],"versions":[{"version":"4.15","status":"affected"},{"version":"0","lessThan":"4.15","status":"unaffected","versionType":"semver"},{"version":"5.10.237","lessThanOrEqual":"5.10.*","status":"unaffected","versionType":"semver"},{"version":"5.15.181","lessThanOrEqual":"5.15.*","status":"unaffected","versionType":"semver"},{"version":"6.1.127","lessThanOrEqual":"6.1.*","status":"unaffected","versionType":"semver"},{"version":"6.6.74","lessThanOrEqual":"6.6.*","status":"unaffected","versionType":"semver"},{"version":"6.12.5","lessThanOrEqual":"6.12.*","status":"unaffected","versionType":"semver"},{"version":"6.13","lessThanOrEqual":"*","status":"unaffected","versionType":"original_commit_for_fix"}]}],"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.15","versionEndExcluding":"5.10.237"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.15","versionEndExcluding":"5.15.181"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.15","versionEndExcluding":"6.1.127"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.15","versionEndExcluding":"6.6.74"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.15","versionEndExcluding":"6.12.5"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.15","versionEndExcluding":"6.13"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/280f722601c8bf4d8a9c62dd727cf3a2fd0a47be"},{"url":"https://git.kernel.org/stable/c/b19ca8425a4b86e8f0d7c33c4e87ef7b0ebdaa29"},{"url":"https://git.kernel.org/stable/c/5bd410c21037107b83ffbb51dd2d6460f9de9ed1"},{"url":"https://git.kernel.org/stable/c/08ac5fdb9c6dc34d0ed4bc64ce3c5c3d411b3b53"},{"url":"https://git.kernel.org/stable/c/f01ddd589e162979421e6914b1c74018633f01e0"},{"url":"https://git.kernel.org/stable/c/63de35a8fcfca59ae8750d469a7eb220c7557baf"}],"title":"drm/amd/display: Fix out-of-bounds access in 'dcn21_link_encoder_create'","x_generator":{"engine":"bippy-1.2.0"}},"adp":[{"title":"CVE Program Container","references":[{"url":"https://lists.debian.org/debian-lts-announce/2025/05/msg00030.html"},{"url":"https://lists.debian.org/debian-lts-announce/2025/03/msg00001.html"}],"providerMetadata":{"orgId":"af854a3a-2127-422b-91ae-364da2661108","shortName":"CVE","dateUpdated":"2025-11-03T20:50:55.342Z"}}]}}