{"id":"CVE-2024-43899","summary":"drm/amd/display: Fix null pointer deref in dcn20_resource.c","details":"In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/amd/display: Fix null pointer deref in dcn20_resource.c\n\nFixes a hang thats triggered when MPV is run on a DCN401 dGPU:\n\nmpv --hwdec=vaapi --vo=gpu --hwdec-codecs=all\n\nand then enabling fullscreen playback (double click on the video)\n\nThe following calltrace will be seen:\n\n[  181.843989] BUG: kernel NULL pointer dereference, address: 0000000000000000\n[  181.843997] #PF: supervisor instruction fetch in kernel mode\n[  181.844003] #PF: error_code(0x0010) - not-present page\n[  181.844009] PGD 0 P4D 0\n[  181.844020] Oops: 0010 [#1] PREEMPT SMP NOPTI\n[  181.844028] CPU: 6 PID: 1892 Comm: gnome-shell Tainted: G        W  OE      6.5.0-41-generic #41~22.04.2-Ubuntu\n[  181.844038] Hardware name: System manufacturer System Product Name/CROSSHAIR VI HERO, BIOS 6302 10/23/2018\n[  181.844044] RIP: 0010:0x0\n[  181.844079] Code: Unable to access opcode bytes at 0xffffffffffffffd6.\n[  181.844084] RSP: 0018:ffffb593c2b8f7b0 EFLAGS: 00010246\n[  181.844093] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000004\n[  181.844099] RDX: ffffb593c2b8f804 RSI: ffffb593c2b8f7e0 RDI: ffff9e3c8e758400\n[  181.844105] RBP: ffffb593c2b8f7b8 R08: ffffb593c2b8f9c8 R09: ffffb593c2b8f96c\n[  181.844110] R10: 0000000000000000 R11: 0000000000000000 R12: ffffb593c2b8f9c8\n[  181.844115] R13: 0000000000000001 R14: ffff9e3c88000000 R15: 0000000000000005\n[  181.844121] FS:  00007c6e323bb5c0(0000) GS:ffff9e3f85f80000(0000) knlGS:0000000000000000\n[  181.844128] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033\n[  181.844134] CR2: ffffffffffffffd6 CR3: 0000000140fbe000 CR4: 00000000003506e0\n[  181.844141] Call Trace:\n[  181.844146]  \u003cTASK\u003e\n[  181.844153]  ? show_regs+0x6d/0x80\n[  181.844167]  ? __die+0x24/0x80\n[  181.844179]  ? page_fault_oops+0x99/0x1b0\n[  181.844192]  ? do_user_addr_fault+0x31d/0x6b0\n[  181.844204]  ? exc_page_fault+0x83/0x1b0\n[  181.844216]  ? asm_exc_page_fault+0x27/0x30\n[  181.844237]  dcn20_get_dcc_compression_cap+0x23/0x30 [amdgpu]\n[  181.845115]  amdgpu_dm_plane_validate_dcc.constprop.0+0xe5/0x180 [amdgpu]\n[  181.845985]  amdgpu_dm_plane_fill_plane_buffer_attributes+0x300/0x580 [amdgpu]\n[  181.846848]  fill_dc_plane_info_and_addr+0x258/0x350 [amdgpu]\n[  181.847734]  fill_dc_plane_attributes+0x162/0x350 [amdgpu]\n[  181.848748]  dm_update_plane_state.constprop.0+0x4e3/0x6b0 [amdgpu]\n[  181.849791]  ? dm_update_plane_state.constprop.0+0x4e3/0x6b0 [amdgpu]\n[  181.850840]  amdgpu_dm_atomic_check+0xdfe/0x1760 [amdgpu]","modified":"2026-04-02T12:18:28.889548Z","published":"2024-08-26T10:10:57.083Z","related":["SUSE-SU-2024:3190-1","SUSE-SU-2024:3194-1","SUSE-SU-2024:3195-1","SUSE-SU-2024:3209-1","SUSE-SU-2024:3383-1","SUSE-SU-2024:3483-1","SUSE-SU-2025:20044-1","SUSE-SU-2025:20047-1"],"database_specific":{"cna_assigner":"Linux","osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/43xxx/CVE-2024-43899.json"},"references":[{"type":"WEB","url":"https://git.kernel.org/stable/c/6940c1d0c84a34d5a2038714c218238101a1db5b"},{"type":"WEB","url":"https://git.kernel.org/stable/c/974fccd61758599a9716c4b909d9226749efe37e"},{"type":"WEB","url":"https://git.kernel.org/stable/c/ecbf60782662f0a388493685b85a645a0ba1613c"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/43xxx/CVE-2024-43899.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2024-43899"},{"type":"PACKAGE","url":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c"},{"fixed":"6940c1d0c84a34d5a2038714c218238101a1db5b"},{"fixed":"974fccd61758599a9716c4b909d9226749efe37e"},{"fixed":"ecbf60782662f0a388493685b85a645a0ba1613c"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2024-43899.json"}}],"schema_version":"1.7.5"}