CVE-2024-43899

{"id": "CVE-2024-43899", "cveTags": [], "metrics": {"cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 5.5, "attackVector": "LOCAL", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "NONE"}, "impactScore": 3.6, "exploitabilityScore": 1.8}]}, "published": "2024-08-26T11:15:04.557", "references": [{"url": "https://git.kernel.org/stable/c/974fccd61758599a9716c4b909d9226749efe37e", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/ecbf60782662f0a388493685b85a645a0ba1613c", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-476"}]}], "descriptions": [{"lang": "en", "value": "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] <TASK>\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]"}, {"lang": "es", "value": "En el kernel de Linux, se resolvi\u00f3 la siguiente vulnerabilidad: drm/amd/display: corrige la deref del puntero nulo en dcn20_resource.c. Corrige un bloqueo que se activa cuando se ejecuta MPV en una dGPU DCN401: mpv --hwdec=vaapi --vo= gpu --hwdec-codecs=all y luego habilitar la reproducci\u00f3n en pantalla completa (haga doble clic en el video) Se ver\u00e1 el siguiente seguimiento de llamada: [181.843989] ERROR: desreferencia del puntero NULL del kernel, direcci\u00f3n: 00000000000000000 [181.843997] #PF: b\u00fasqueda de instrucciones del supervisor Modo del kernel [181.844003] #PF: ERROR_CODE (0x0010)- P\u00e1gina no presente [181.844009] PGD 0 P4D 0 [181.844020] OOPS: 0010 [ #1] PREEFT SMP NOPTI [181.84028] CPU: 6 PID: 1892 Comm: Gnome- shell contaminado: GW OE 6.5.0-41-generic #41~22.04.2-Ubuntu [ 181.844038] Nombre del hardware: Fabricante del sistema Nombre del producto del sistema/CROSSHAIR VI HERO, BIOS 6302 23/10/2018 [ 181.844044] RIP: 0010: 0x0 [181.844079] C\u00f3digo: No se puede acceder a los bytes del c\u00f3digo de operaci\u00f3n en 0xffffffffffffffd6. [ 181.844084] RSP: 0018:ffffb593c2b8f7b0 EFLAGS: 00010246 [ 181.844093] RAX: 00000000000000000 RBX: 0000000000000000 RCX: 000000000000000 4 [ 181.844099] RDX: ffffb593c2b8f804 RSI: ffffb593c2b8f7e0 RDI: ffff9e3c8e758400 [ 181.844105] RBP: ffffb593c2b8f7b8 R08: ffffb593c2b8f9c8 ffffb593c2b8f96c [ 181.844110] R10: 0000000000000000 R11: 0000000000000000 R12: ffffb593c2b8f9c8 [ 181.844115] R13: 00000000000000001 R14: ffff9e3c88000000 R15: 000000000005 [ 181.844121] FS: 00007c6e323bb5c0(0000) GS:ffff9e3f85f80000(0000) knlGS:00000000000000000 [ 181.844128] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 181.844134] CR2: ffffffffffffffd6 CR3: 0000000140fbe000 CR4: 00000000003506e0 [ 181.844141] Seguimiento de llamadas: [ 181.844146] [181.844153] ? show_regs+0x6d/0x80 [181.844167]? __die+0x24/0x80 [ 181.844179] ? page_fault_oops+0x99/0x1b0 [181.844192]? do_user_addr_fault+0x31d/0x6b0 [181.844204]? exc_page_fault+0x83/0x1b0 [181.844216]? asm_exc_page_fault+0x27/0x30 [ 181.844237] dcn20_get_dcc_compression_cap+0x23/0x30 [amdgpu] [ 181.845115] amdgpu_dm_plane_validate_dcc.constprop.0+0xe5/0x180 [amdgpu] [ 181.8 45985] amdgpu_dm_plane_fill_plane_buffer_attributes+0x300/0x580 [amdgpu] [ 181.846848] fill_dc_plane_info_and_addr+0x258/0x350 [amdgpu] [181.847734] fill_dc_plane_attributes+0x162/0x350 [amdgpu] [181.848748] dm_update_plane_state.constprop.0+0x4e3/0x6b0 [amdgpu] [181.849791]? dm_update_plane_state.constprop.0+0x4e3/0x6b0 [amdgpu] [ 181.850840] amdgpu_dm_atomic_check+0xdfe/0x1760 [amdgpu]"}], "lastModified": "2024-08-27T14:38:19.740", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "E4CB0927-C720-465B-99F2-3E47215515F2", "versionEndExcluding": "6.10.5"}], "operator": "OR"}]}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}