cve-2024-47683
Vulnerability from cvelistv5
Published
2024-10-21 11:53
Modified
2025-01-24 16:01
Severity ?
Summary
In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Skip Recompute DSC Params if no Stream on Link [why] Encounter NULL pointer dereference uner mst + dsc setup. BUG: kernel NULL pointer dereference, address: 0000000000000008 PGD 0 P4D 0 Oops: 0000 [#1] PREEMPT SMP NOPTI CPU: 4 PID: 917 Comm: sway Not tainted 6.3.9-arch1-1 #1 124dc55df4f5272ccb409f39ef4872fc2b3376a2 Hardware name: LENOVO 20NKS01Y00/20NKS01Y00, BIOS R12ET61W(1.31 ) 07/28/2022 RIP: 0010:drm_dp_atomic_find_time_slots+0x5e/0x260 [drm_display_helper] Code: 01 00 00 48 8b 85 60 05 00 00 48 63 80 88 00 00 00 3b 43 28 0f 8d 2e 01 00 00 48 8b 53 30 48 8d 04 80 48 8d 04 c2 48 8b 40 18 <48> 8> RSP: 0018:ffff960cc2df77d8 EFLAGS: 00010293 RAX: 0000000000000000 RBX: ffff8afb87e81280 RCX: 0000000000000224 RDX: ffff8afb9ee37c00 RSI: ffff8afb8da1a578 RDI: ffff8afb87e81280 RBP: ffff8afb83d67000 R08: 0000000000000001 R09: ffff8afb9652f850 R10: ffff960cc2df7908 R11: 0000000000000002 R12: 0000000000000000 R13: ffff8afb8d7688a0 R14: ffff8afb8da1a578 R15: 0000000000000224 FS: 00007f4dac35ce00(0000) GS:ffff8afe30b00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000000008 CR3: 000000010ddc6000 CR4: 00000000003506e0 Call Trace: <TASK> ? __die+0x23/0x70 ? page_fault_oops+0x171/0x4e0 ? plist_add+0xbe/0x100 ? exc_page_fault+0x7c/0x180 ? asm_exc_page_fault+0x26/0x30 ? drm_dp_atomic_find_time_slots+0x5e/0x260 [drm_display_helper 0e67723696438d8e02b741593dd50d80b44c2026] ? drm_dp_atomic_find_time_slots+0x28/0x260 [drm_display_helper 0e67723696438d8e02b741593dd50d80b44c2026] compute_mst_dsc_configs_for_link+0x2ff/0xa40 [amdgpu 62e600d2a75e9158e1cd0a243bdc8e6da040c054] ? fill_plane_buffer_attributes+0x419/0x510 [amdgpu 62e600d2a75e9158e1cd0a243bdc8e6da040c054] compute_mst_dsc_configs_for_state+0x1e1/0x250 [amdgpu 62e600d2a75e9158e1cd0a243bdc8e6da040c054] amdgpu_dm_atomic_check+0xecd/0x1190 [amdgpu 62e600d2a75e9158e1cd0a243bdc8e6da040c054] drm_atomic_check_only+0x5c5/0xa40 drm_mode_atomic_ioctl+0x76e/0xbc0 [how] dsc recompute should be skipped if no mode change detected on the new request. If detected, keep checking whether the stream is already on current state or not.
References
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/7c887efda1201110211fed8921a92a713e0b6bcdPatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/8151a6c13111b465dbabe07c19f572f7cbd16fefPatch
Impacted products
Vendor Product Version
Linux Linux Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2
Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2
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{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2024-47683",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2024-10-21T13:07:01.706488Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2024-10-21T13:14:16.363Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_mst_types.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThan": "7c887efda1201110211fed8921a92a713e0b6bcd",
              "status": "affected",
              "version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2",
              "versionType": "git"
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              "lessThan": "8151a6c13111b465dbabe07c19f572f7cbd16fef",
              "status": "affected",
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              "versionType": "git"
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          ]
        },
        {
          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
            "drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_mst_types.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThanOrEqual": "6.1.*",
              "status": "unaffected",
              "version": "6.1.113",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "6.12",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/amd/display: Skip Recompute DSC Params if no Stream on Link\n\n[why]\nEncounter NULL pointer dereference uner mst + dsc setup.\n\nBUG: kernel NULL pointer dereference, address: 0000000000000008\n    PGD 0 P4D 0\n    Oops: 0000 [#1] PREEMPT SMP NOPTI\n    CPU: 4 PID: 917 Comm: sway Not tainted 6.3.9-arch1-1 #1 124dc55df4f5272ccb409f39ef4872fc2b3376a2\n    Hardware name: LENOVO 20NKS01Y00/20NKS01Y00, BIOS R12ET61W(1.31 ) 07/28/2022\n    RIP: 0010:drm_dp_atomic_find_time_slots+0x5e/0x260 [drm_display_helper]\n    Code: 01 00 00 48 8b 85 60 05 00 00 48 63 80 88 00 00 00 3b 43 28 0f 8d 2e 01 00 00 48 8b 53 30 48 8d 04 80 48 8d 04 c2 48 8b 40 18 \u003c48\u003e 8\u003e\n    RSP: 0018:ffff960cc2df77d8 EFLAGS: 00010293\n    RAX: 0000000000000000 RBX: ffff8afb87e81280 RCX: 0000000000000224\n    RDX: ffff8afb9ee37c00 RSI: ffff8afb8da1a578 RDI: ffff8afb87e81280\n    RBP: ffff8afb83d67000 R08: 0000000000000001 R09: ffff8afb9652f850\n    R10: ffff960cc2df7908 R11: 0000000000000002 R12: 0000000000000000\n    R13: ffff8afb8d7688a0 R14: ffff8afb8da1a578 R15: 0000000000000224\n    FS:  00007f4dac35ce00(0000) GS:ffff8afe30b00000(0000) knlGS:0000000000000000\n    CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033\n    CR2: 0000000000000008 CR3: 000000010ddc6000 CR4: 00000000003506e0\n    Call Trace:\n\u003cTASK\u003e\n     ? __die+0x23/0x70\n     ? page_fault_oops+0x171/0x4e0\n     ? plist_add+0xbe/0x100\n     ? exc_page_fault+0x7c/0x180\n     ? asm_exc_page_fault+0x26/0x30\n     ? drm_dp_atomic_find_time_slots+0x5e/0x260 [drm_display_helper 0e67723696438d8e02b741593dd50d80b44c2026]\n     ? drm_dp_atomic_find_time_slots+0x28/0x260 [drm_display_helper 0e67723696438d8e02b741593dd50d80b44c2026]\n     compute_mst_dsc_configs_for_link+0x2ff/0xa40 [amdgpu 62e600d2a75e9158e1cd0a243bdc8e6da040c054]\n     ? fill_plane_buffer_attributes+0x419/0x510 [amdgpu 62e600d2a75e9158e1cd0a243bdc8e6da040c054]\n     compute_mst_dsc_configs_for_state+0x1e1/0x250 [amdgpu 62e600d2a75e9158e1cd0a243bdc8e6da040c054]\n     amdgpu_dm_atomic_check+0xecd/0x1190 [amdgpu 62e600d2a75e9158e1cd0a243bdc8e6da040c054]\n     drm_atomic_check_only+0x5c5/0xa40\n     drm_mode_atomic_ioctl+0x76e/0xbc0\n\n[how]\ndsc recompute should be skipped if no mode change detected on the new\nrequest. If detected, keep checking whether the stream is already on\ncurrent state or not."
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2025-01-24T16:01:32.213Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/7c887efda1201110211fed8921a92a713e0b6bcd"
        },
        {
          "url": "https://git.kernel.org/stable/c/8151a6c13111b465dbabe07c19f572f7cbd16fef"
        }
      ],
      "title": "drm/amd/display: Skip Recompute DSC Params if no Stream on Link",
      "x_generator": {
        "engine": "bippy-5f407fcff5a0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2024-47683",
    "datePublished": "2024-10-21T11:53:25.118Z",
    "dateReserved": "2024-09-30T16:00:12.941Z",
    "dateUpdated": "2025-01-24T16:01:32.213Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1",
  "vulnerability-lookup:meta": {
    "nvd": "{\"cve\":{\"id\":\"CVE-2024-47683\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2024-10-21T12:15:05.210\",\"lastModified\":\"2025-01-24T16:15:37.083\",\"vulnStatus\":\"Modified\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"In the Linux kernel, the following vulnerability has been resolved:\\n\\ndrm/amd/display: Skip Recompute DSC Params if no Stream on Link\\n\\n[why]\\nEncounter NULL pointer dereference uner mst + dsc setup.\\n\\nBUG: kernel NULL pointer dereference, address: 0000000000000008\\n    PGD 0 P4D 0\\n    Oops: 0000 [#1] PREEMPT SMP NOPTI\\n    CPU: 4 PID: 917 Comm: sway Not tainted 6.3.9-arch1-1 #1 124dc55df4f5272ccb409f39ef4872fc2b3376a2\\n    Hardware name: LENOVO 20NKS01Y00/20NKS01Y00, BIOS R12ET61W(1.31 ) 07/28/2022\\n    RIP: 0010:drm_dp_atomic_find_time_slots+0x5e/0x260 [drm_display_helper]\\n    Code: 01 00 00 48 8b 85 60 05 00 00 48 63 80 88 00 00 00 3b 43 28 0f 8d 2e 01 00 00 48 8b 53 30 48 8d 04 80 48 8d 04 c2 48 8b 40 18 \u003c48\u003e 8\u003e\\n    RSP: 0018:ffff960cc2df77d8 EFLAGS: 00010293\\n    RAX: 0000000000000000 RBX: ffff8afb87e81280 RCX: 0000000000000224\\n    RDX: ffff8afb9ee37c00 RSI: ffff8afb8da1a578 RDI: ffff8afb87e81280\\n    RBP: ffff8afb83d67000 R08: 0000000000000001 R09: ffff8afb9652f850\\n    R10: ffff960cc2df7908 R11: 0000000000000002 R12: 0000000000000000\\n    R13: ffff8afb8d7688a0 R14: ffff8afb8da1a578 R15: 0000000000000224\\n    FS:  00007f4dac35ce00(0000) GS:ffff8afe30b00000(0000) knlGS:0000000000000000\\n    CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033\\n    CR2: 0000000000000008 CR3: 000000010ddc6000 CR4: 00000000003506e0\\n    Call Trace:\\n\u003cTASK\u003e\\n     ? __die+0x23/0x70\\n     ? page_fault_oops+0x171/0x4e0\\n     ? plist_add+0xbe/0x100\\n     ? exc_page_fault+0x7c/0x180\\n     ? asm_exc_page_fault+0x26/0x30\\n     ? drm_dp_atomic_find_time_slots+0x5e/0x260 [drm_display_helper 0e67723696438d8e02b741593dd50d80b44c2026]\\n     ? drm_dp_atomic_find_time_slots+0x28/0x260 [drm_display_helper 0e67723696438d8e02b741593dd50d80b44c2026]\\n     compute_mst_dsc_configs_for_link+0x2ff/0xa40 [amdgpu 62e600d2a75e9158e1cd0a243bdc8e6da040c054]\\n     ? fill_plane_buffer_attributes+0x419/0x510 [amdgpu 62e600d2a75e9158e1cd0a243bdc8e6da040c054]\\n     compute_mst_dsc_configs_for_state+0x1e1/0x250 [amdgpu 62e600d2a75e9158e1cd0a243bdc8e6da040c054]\\n     amdgpu_dm_atomic_check+0xecd/0x1190 [amdgpu 62e600d2a75e9158e1cd0a243bdc8e6da040c054]\\n     drm_atomic_check_only+0x5c5/0xa40\\n     drm_mode_atomic_ioctl+0x76e/0xbc0\\n\\n[how]\\ndsc recompute should be skipped if no mode change detected on the new\\nrequest. If detected, keep checking whether the stream is already on\\ncurrent state or not.\"},{\"lang\":\"es\",\"value\":\"En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: drm/amd/display: Omitir rec\u00e1lculo de par\u00e1metros DSC si no hay flujo en el enlace [por qu\u00e9] Se encuentra una desreferencia de puntero NULL en la configuraci\u00f3n de mst + dsc. ERROR: desreferencia de puntero NULL del n\u00facleo, direcci\u00f3n: 0000000000000008 PGD 0 P4D 0 Oops: 0000 [#1] PREEMPT SMP NOPTI CPU: 4 PID: 917 Comm: sway No contaminado 6.3.9-arch1-1 #1 124dc55df4f5272ccb409f39ef4872fc2b3376a2 Nombre del hardware: LENOVO 20NKS01Y00/20NKS01Y00, BIOS R12ET61W(1.31 ) 28/07/2022 RIP: 0010:drm_dp_atomic_find_time_slots+0x5e/0x260 [drm_display_helper] C\u00f3digo: 01 00 00 48 8b 85 60 05 00 00 48 63 80 88 00 00 00 3b 43 28 0f 8d 2e 01 00 00 48 8b 53 30 48 8d 04 80 48 8d 04 c2 48 8b 40 18 \u0026lt;48\u0026gt; RSP: 0018:ffff960cc2df77d8 EFLAGS: 00010293 RAX: 0000000000000000 RBX: ffff8afb87e81280 RCX: 00000000000000224 RDX: ffff8afb9ee37c00 RSI: RDI: ffff8afb87e81280 RBP: ffff8afb83d67000 R08: 0000000000000001 R09: ffff8afb9652f850 R10: ffff960cc2df7908 R11: 000000000000002 R12: 0000000000000000 R13: ffff8afb8d7688a0 R14: ffff8afb8da1a578 R15: 0000000000000224 FS: 00007f4dac35ce00(0000) GS:ffff8afe30b00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000000000008 CR3: 000000010ddc6000 CR4: 00000000003506e0 Seguimiento de llamadas:  ? __die+0x23/0x70 ? page_fault_oops+0x171/0x4e0 ? plist_add+0xbe/0x100 ? exc_page_fault+0x7c/0x180 ? drm_dp_atomic_find_time_slots+0x5e/0x260 [drm_display_helper 0e67723696438d8e02b741593dd50d80b44c2026] ? drm_dp_atomic_find_time_slots+0x28/0x260 [drm_display_helper 0e67723696438d8e02b741593dd50d80b44c2026] configuraci\u00f3n_mst_dsc_compute_para_enlace+0x2ff/0xa40 [amdgpu 62e600d2a75e9158e1cd0a243bdc8e6da040c054] ? atributos de b\u00fafer de plano de relleno+0x419/0x510 [amdgpu 62e600d2a75e9158e1cd0a243bdc8e6da040c054] configuraciones de c\u00e1lculo mst_dsc para estado+0x1e1/0x250 [amdgpu 62e600d2a75e9158e1cd0a243bdc8e6da040c054] amdgpu_dm_atomic_check+0xecd/0x1190 [amdgpu 62e600d2a75e9158e1cd0a243bdc8e6da040c054] solo comprobaci\u00f3n at\u00f3mica drm+0x5c5/0xa40 drm_mode_atomic_ioctl+0x76e/0xbc0 [c\u00f3mo] Se debe omitir el rec\u00e1lculo de dsc si no se detecta ning\u00fan cambio de modo en la nueva solicitud. Si se detecta, se debe seguir verificando si la transmisi\u00f3n ya est\u00e1 en el estado actual o no.\"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H\",\"baseScore\":5.5,\"baseSeverity\":\"MEDIUM\",\"attackVector\":\"LOCAL\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"LOW\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":1.8,\"impactScore\":3.6}]},\"weaknesses\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-476\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionEndExcluding\":\"6.1.105\",\"matchCriteriaId\":\"ECB889E5-9368-4201-9049-7289757A0B8D\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartExcluding\":\"6.1.105\",\"versionEndExcluding\":\"6.1.113\",\"matchCriteriaId\":\"1CB82108-E759-406E-97B7-BFD46FF98DA7\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"6.2\",\"versionEndExcluding\":\"6.6.46\",\"matchCriteriaId\":\"FA11941E-81FB-484C-B583-881EEB488340\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartExcluding\":\"6.6.46\",\"versionEndExcluding\":\"6.6.54\",\"matchCriteriaId\":\"A7E41B53-C80E-4D14-A3B1-C2E393C0F619\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"6.7\",\"versionEndExcluding\":\"6.10.5\",\"matchCriteriaId\":\"D074AE50-4A5E-499C-A2FD-75FD60DEA560\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartExcluding\":\"6.10.5\",\"versionEndExcluding\":\"6.10.13\",\"matchCriteriaId\":\"A2E05E26-74A7-4325-95D2-495773869F09\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"6.11\",\"versionEndExcluding\":\"6.11.2\",\"matchCriteriaId\":\"AB755D26-97F4-43B6-8604-CD076811E181\"}]}]}],\"references\":[{\"url\":\"https://git.kernel.org/stable/c/7c887efda1201110211fed8921a92a713e0b6bcd\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/8151a6c13111b465dbabe07c19f572f7cbd16fef\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]}]}}",
    "vulnrichment": {
      "containers": "{\"adp\": [{\"title\": \"CISA ADP Vulnrichment\", \"metrics\": [{\"other\": {\"type\": \"ssvc\", \"content\": {\"id\": \"CVE-2024-47683\", \"role\": \"CISA Coordinator\", \"options\": [{\"Exploitation\": \"none\"}, {\"Automatable\": \"no\"}, {\"Technical Impact\": \"partial\"}], \"version\": \"2.0.3\", \"timestamp\": \"2024-10-21T13:07:01.706488Z\"}}}], \"providerMetadata\": {\"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"shortName\": \"CISA-ADP\", \"dateUpdated\": \"2024-10-21T13:07:05.035Z\"}}], \"cna\": {\"title\": \"drm/amd/display: Skip Recompute DSC Params if no Stream on Link\", \"affected\": [{\"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\", \"vendor\": \"Linux\", \"product\": \"Linux\", \"versions\": [{\"status\": \"affected\", \"version\": \"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2\", \"lessThan\": \"7c887efda1201110211fed8921a92a713e0b6bcd\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2\", \"lessThan\": \"8151a6c13111b465dbabe07c19f572f7cbd16fef\", \"versionType\": \"git\"}], \"programFiles\": [\"drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_mst_types.c\"], \"defaultStatus\": \"unaffected\"}, {\"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\", \"vendor\": \"Linux\", \"product\": \"Linux\", \"versions\": [{\"status\": \"unaffected\", \"version\": \"6.1.113\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"6.1.*\"}, {\"status\": \"unaffected\", \"version\": \"6.12\", \"versionType\": \"original_commit_for_fix\", \"lessThanOrEqual\": \"*\"}], \"programFiles\": [\"drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_mst_types.c\"], \"defaultStatus\": \"affected\"}], \"references\": [{\"url\": \"https://git.kernel.org/stable/c/7c887efda1201110211fed8921a92a713e0b6bcd\"}, {\"url\": \"https://git.kernel.org/stable/c/8151a6c13111b465dbabe07c19f572f7cbd16fef\"}], \"x_generator\": {\"engine\": \"bippy-5f407fcff5a0\"}, \"descriptions\": [{\"lang\": \"en\", \"value\": \"In the Linux kernel, the following vulnerability has been resolved:\\n\\ndrm/amd/display: Skip Recompute DSC Params if no Stream on Link\\n\\n[why]\\nEncounter NULL pointer dereference uner mst + dsc setup.\\n\\nBUG: kernel NULL pointer dereference, address: 0000000000000008\\n    PGD 0 P4D 0\\n    Oops: 0000 [#1] PREEMPT SMP NOPTI\\n    CPU: 4 PID: 917 Comm: sway Not tainted 6.3.9-arch1-1 #1 124dc55df4f5272ccb409f39ef4872fc2b3376a2\\n    Hardware name: LENOVO 20NKS01Y00/20NKS01Y00, BIOS R12ET61W(1.31 ) 07/28/2022\\n    RIP: 0010:drm_dp_atomic_find_time_slots+0x5e/0x260 [drm_display_helper]\\n    Code: 01 00 00 48 8b 85 60 05 00 00 48 63 80 88 00 00 00 3b 43 28 0f 8d 2e 01 00 00 48 8b 53 30 48 8d 04 80 48 8d 04 c2 48 8b 40 18 \u003c48\u003e 8\u003e\\n    RSP: 0018:ffff960cc2df77d8 EFLAGS: 00010293\\n    RAX: 0000000000000000 RBX: ffff8afb87e81280 RCX: 0000000000000224\\n    RDX: ffff8afb9ee37c00 RSI: ffff8afb8da1a578 RDI: ffff8afb87e81280\\n    RBP: ffff8afb83d67000 R08: 0000000000000001 R09: ffff8afb9652f850\\n    R10: ffff960cc2df7908 R11: 0000000000000002 R12: 0000000000000000\\n    R13: ffff8afb8d7688a0 R14: ffff8afb8da1a578 R15: 0000000000000224\\n    FS:  00007f4dac35ce00(0000) GS:ffff8afe30b00000(0000) knlGS:0000000000000000\\n    CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033\\n    CR2: 0000000000000008 CR3: 000000010ddc6000 CR4: 00000000003506e0\\n    Call Trace:\\n\u003cTASK\u003e\\n     ? __die+0x23/0x70\\n     ? page_fault_oops+0x171/0x4e0\\n     ? plist_add+0xbe/0x100\\n     ? exc_page_fault+0x7c/0x180\\n     ? asm_exc_page_fault+0x26/0x30\\n     ? drm_dp_atomic_find_time_slots+0x5e/0x260 [drm_display_helper 0e67723696438d8e02b741593dd50d80b44c2026]\\n     ? drm_dp_atomic_find_time_slots+0x28/0x260 [drm_display_helper 0e67723696438d8e02b741593dd50d80b44c2026]\\n     compute_mst_dsc_configs_for_link+0x2ff/0xa40 [amdgpu 62e600d2a75e9158e1cd0a243bdc8e6da040c054]\\n     ? fill_plane_buffer_attributes+0x419/0x510 [amdgpu 62e600d2a75e9158e1cd0a243bdc8e6da040c054]\\n     compute_mst_dsc_configs_for_state+0x1e1/0x250 [amdgpu 62e600d2a75e9158e1cd0a243bdc8e6da040c054]\\n     amdgpu_dm_atomic_check+0xecd/0x1190 [amdgpu 62e600d2a75e9158e1cd0a243bdc8e6da040c054]\\n     drm_atomic_check_only+0x5c5/0xa40\\n     drm_mode_atomic_ioctl+0x76e/0xbc0\\n\\n[how]\\ndsc recompute should be skipped if no mode change detected on the new\\nrequest. If detected, keep checking whether the stream is already on\\ncurrent state or not.\"}], \"providerMetadata\": {\"orgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"shortName\": \"Linux\", \"dateUpdated\": \"2025-01-24T16:01:32.213Z\"}}}",
      "cveMetadata": "{\"cveId\": \"CVE-2024-47683\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2025-01-24T16:01:32.213Z\", \"dateReserved\": \"2024-09-30T16:00:12.941Z\", \"assignerOrgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"datePublished\": \"2024-10-21T11:53:25.118Z\", \"assignerShortName\": \"Linux\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.1"
    }
  }
}


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