GCVE Workshop - 22 September 2026 (14:00-18:00), Luxembourg Before The Vulnopticon Conference - Registration

CVE-2024-43901 (GCVE-0-2024-43901)

Vulnerability from cvelistv5 – Published: 2024-08-26 10:11 – Updated: 2026-05-11 20:31
VLAI
Title
drm/amd/display: Fix NULL pointer dereference for DTN log in DCN401
Summary
In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Fix NULL pointer dereference for DTN log in DCN401 When users run the command: cat /sys/kernel/debug/dri/0/amdgpu_dm_dtn_log The following NULL pointer dereference happens: [ +0.000003] BUG: kernel NULL pointer dereference, address: NULL [ +0.000005] #PF: supervisor instruction fetch in kernel mode [ +0.000002] #PF: error_code(0x0010) - not-present page [ +0.000002] PGD 0 P4D 0 [ +0.000004] Oops: 0010 [#1] PREEMPT SMP NOPTI [ +0.000003] RIP: 0010:0x0 [ +0.000008] Code: Unable to access opcode bytes at 0xffffffffffffffd6. [...] [ +0.000002] PKRU: 55555554 [ +0.000002] Call Trace: [ +0.000002] <TASK> [ +0.000003] ? show_regs+0x65/0x70 [ +0.000006] ? __die+0x24/0x70 [ +0.000004] ? page_fault_oops+0x160/0x470 [ +0.000006] ? do_user_addr_fault+0x2b5/0x690 [ +0.000003] ? prb_read_valid+0x1c/0x30 [ +0.000005] ? exc_page_fault+0x8c/0x1a0 [ +0.000005] ? asm_exc_page_fault+0x27/0x30 [ +0.000012] dcn10_log_color_state+0xf9/0x510 [amdgpu] [ +0.000306] ? srso_alias_return_thunk+0x5/0xfbef5 [ +0.000003] ? vsnprintf+0x2fb/0x600 [ +0.000009] dcn10_log_hw_state+0xfd0/0xfe0 [amdgpu] [ +0.000218] ? __mod_memcg_lruvec_state+0xe8/0x170 [ +0.000008] ? srso_alias_return_thunk+0x5/0xfbef5 [ +0.000002] ? debug_smp_processor_id+0x17/0x20 [ +0.000003] ? srso_alias_return_thunk+0x5/0xfbef5 [ +0.000002] ? srso_alias_return_thunk+0x5/0xfbef5 [ +0.000002] ? set_ptes.isra.0+0x2b/0x90 [ +0.000004] ? srso_alias_return_thunk+0x5/0xfbef5 [ +0.000002] ? _raw_spin_unlock+0x19/0x40 [ +0.000004] ? srso_alias_return_thunk+0x5/0xfbef5 [ +0.000002] ? do_anonymous_page+0x337/0x700 [ +0.000004] dtn_log_read+0x82/0x120 [amdgpu] [ +0.000207] full_proxy_read+0x66/0x90 [ +0.000007] vfs_read+0xb0/0x340 [ +0.000005] ? __count_memcg_events+0x79/0xe0 [ +0.000002] ? srso_alias_return_thunk+0x5/0xfbef5 [ +0.000003] ? count_memcg_events.constprop.0+0x1e/0x40 [ +0.000003] ? handle_mm_fault+0xb2/0x370 [ +0.000003] ksys_read+0x6b/0xf0 [ +0.000004] __x64_sys_read+0x19/0x20 [ +0.000003] do_syscall_64+0x60/0x130 [ +0.000004] entry_SYSCALL_64_after_hwframe+0x6e/0x76 [ +0.000003] RIP: 0033:0x7fdf32f147e2 [...] This error happens when the color log tries to read the gamut remap information from DCN401 which is not initialized in the dcn401_dpp_funcs which leads to a null pointer dereference. This commit addresses this issue by adding a proper guard to access the gamut_remap callback in case the specific ASIC did not implement this function.
Severity
No CVSS data available.
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2024-09-10 15:28 UTC
Assigner
References
Impacted products
Vendor Product Version CPE status
Linux Linux Affected: 4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c , < 1e68b7ce6bc6073579fe8713ec6b85aa9cd2e351 (git)
Affected: 4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c , < 5af757124792817f8eb1bd0c80ad60fab519586b (git)
guessed Create a notification for this product.
Linux Linux Affected: 4.15
Unaffected: 0 , < 4.15 (semver)
Unaffected: 6.10.5 , ≤ 6.10.* (semver)
Unaffected: 6.11 , ≤ * (original_commit_for_fix)
guessed Create a notification for this product.
Show details on NVD website
To clipboard 

{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2024-43901",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2024-09-10T15:28:50.219513Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2024-09-12T17:33:07.936Z",
          "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/dc/hwss/dcn10/dcn10_hwseq.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThan": "1e68b7ce6bc6073579fe8713ec6b85aa9cd2e351",
              "status": "affected",
              "version": "4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c",
              "versionType": "git"
            },
            {
              "lessThan": "5af757124792817f8eb1bd0c80ad60fab519586b",
              "status": "affected",
              "version": "4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c",
              "versionType": "git"
            }
          ]
        },
        {
          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
            "drivers/gpu/drm/amd/display/dc/hwss/dcn10/dcn10_hwseq.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "4.15"
            },
            {
              "lessThan": "4.15",
              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.10.*",
              "status": "unaffected",
              "version": "6.10.5",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "6.11",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "cpeApplicability": [
        {
          "nodes": [
            {
              "cpeMatch": [
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.10.5",
                  "versionStartIncluding": "4.15",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.11",
                  "versionStartIncluding": "4.15",
                  "vulnerable": true
                }
              ],
              "negate": false,
              "operator": "OR"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/amd/display: Fix NULL pointer dereference for DTN log in DCN401\n\nWhen users run the command:\n\ncat /sys/kernel/debug/dri/0/amdgpu_dm_dtn_log\n\nThe following NULL pointer dereference happens:\n\n[  +0.000003] BUG: kernel NULL pointer dereference, address: NULL\n[  +0.000005] #PF: supervisor instruction fetch in kernel mode\n[  +0.000002] #PF: error_code(0x0010) - not-present page\n[  +0.000002] PGD 0 P4D 0\n[  +0.000004] Oops: 0010 [#1] PREEMPT SMP NOPTI\n[  +0.000003] RIP: 0010:0x0\n[  +0.000008] Code: Unable to access opcode bytes at 0xffffffffffffffd6.\n[...]\n[  +0.000002] PKRU: 55555554\n[  +0.000002] Call Trace:\n[  +0.000002]  \u003cTASK\u003e\n[  +0.000003]  ? show_regs+0x65/0x70\n[  +0.000006]  ? __die+0x24/0x70\n[  +0.000004]  ? page_fault_oops+0x160/0x470\n[  +0.000006]  ? do_user_addr_fault+0x2b5/0x690\n[  +0.000003]  ? prb_read_valid+0x1c/0x30\n[  +0.000005]  ? exc_page_fault+0x8c/0x1a0\n[  +0.000005]  ? asm_exc_page_fault+0x27/0x30\n[  +0.000012]  dcn10_log_color_state+0xf9/0x510 [amdgpu]\n[  +0.000306]  ? srso_alias_return_thunk+0x5/0xfbef5\n[  +0.000003]  ? vsnprintf+0x2fb/0x600\n[  +0.000009]  dcn10_log_hw_state+0xfd0/0xfe0 [amdgpu]\n[  +0.000218]  ? __mod_memcg_lruvec_state+0xe8/0x170\n[  +0.000008]  ? srso_alias_return_thunk+0x5/0xfbef5\n[  +0.000002]  ? debug_smp_processor_id+0x17/0x20\n[  +0.000003]  ? srso_alias_return_thunk+0x5/0xfbef5\n[  +0.000002]  ? srso_alias_return_thunk+0x5/0xfbef5\n[  +0.000002]  ? set_ptes.isra.0+0x2b/0x90\n[  +0.000004]  ? srso_alias_return_thunk+0x5/0xfbef5\n[  +0.000002]  ? _raw_spin_unlock+0x19/0x40\n[  +0.000004]  ? srso_alias_return_thunk+0x5/0xfbef5\n[  +0.000002]  ? do_anonymous_page+0x337/0x700\n[  +0.000004]  dtn_log_read+0x82/0x120 [amdgpu]\n[  +0.000207]  full_proxy_read+0x66/0x90\n[  +0.000007]  vfs_read+0xb0/0x340\n[  +0.000005]  ? __count_memcg_events+0x79/0xe0\n[  +0.000002]  ? srso_alias_return_thunk+0x5/0xfbef5\n[  +0.000003]  ? count_memcg_events.constprop.0+0x1e/0x40\n[  +0.000003]  ? handle_mm_fault+0xb2/0x370\n[  +0.000003]  ksys_read+0x6b/0xf0\n[  +0.000004]  __x64_sys_read+0x19/0x20\n[  +0.000003]  do_syscall_64+0x60/0x130\n[  +0.000004]  entry_SYSCALL_64_after_hwframe+0x6e/0x76\n[  +0.000003] RIP: 0033:0x7fdf32f147e2\n[...]\n\nThis error happens when the color log tries to read the gamut remap\ninformation from DCN401 which is not initialized in the dcn401_dpp_funcs\nwhich leads to a null pointer dereference. This commit addresses this\nissue by adding a proper guard to access the gamut_remap callback in\ncase the specific ASIC did not implement this function."
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-05-11T20:31:58.192Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/1e68b7ce6bc6073579fe8713ec6b85aa9cd2e351"
        },
        {
          "url": "https://git.kernel.org/stable/c/5af757124792817f8eb1bd0c80ad60fab519586b"
        }
      ],
      "title": "drm/amd/display: Fix NULL pointer dereference for DTN log in DCN401",
      "x_generator": {
        "engine": "bippy-1.2.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2024-43901",
    "datePublished": "2024-08-26T10:11:00.255Z",
    "dateReserved": "2024-08-17T09:11:59.292Z",
    "dateUpdated": "2026-05-11T20:31:58.192Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2",
  "vulnerability-lookup:meta": {
    "epss": {
      "cve": "CVE-2024-43901",
      "date": "2026-09-16",
      "epss": "0.00182",
      "percentile": "0.07998"
    },
    "fkie_nvd": {
      "configurations": "[{\"nodes\": [{\"operator\": \"OR\", \"negate\": false, \"cpeMatch\": [{\"vulnerable\": true, \"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"versionEndExcluding\": \"6.10.5\", \"matchCriteriaId\": \"E4CB0927-C720-465B-99F2-3E47215515F2\"}]}]}]",
      "descriptions": "[{\"lang\": \"en\", \"value\": \"In the Linux kernel, the following vulnerability has been resolved:\\n\\ndrm/amd/display: Fix NULL pointer dereference for DTN log in DCN401\\n\\nWhen users run the command:\\n\\ncat /sys/kernel/debug/dri/0/amdgpu_dm_dtn_log\\n\\nThe following NULL pointer dereference happens:\\n\\n[  +0.000003] BUG: kernel NULL pointer dereference, address: NULL\\n[  +0.000005] #PF: supervisor instruction fetch in kernel mode\\n[  +0.000002] #PF: error_code(0x0010) - not-present page\\n[  +0.000002] PGD 0 P4D 0\\n[  +0.000004] Oops: 0010 [#1] PREEMPT SMP NOPTI\\n[  +0.000003] RIP: 0010:0x0\\n[  +0.000008] Code: Unable to access opcode bytes at 0xffffffffffffffd6.\\n[...]\\n[  +0.000002] PKRU: 55555554\\n[  +0.000002] Call Trace:\\n[  +0.000002]  \u003cTASK\u003e\\n[  +0.000003]  ? show_regs+0x65/0x70\\n[  +0.000006]  ? __die+0x24/0x70\\n[  +0.000004]  ? page_fault_oops+0x160/0x470\\n[  +0.000006]  ? do_user_addr_fault+0x2b5/0x690\\n[  +0.000003]  ? prb_read_valid+0x1c/0x30\\n[  +0.000005]  ? exc_page_fault+0x8c/0x1a0\\n[  +0.000005]  ? asm_exc_page_fault+0x27/0x30\\n[  +0.000012]  dcn10_log_color_state+0xf9/0x510 [amdgpu]\\n[  +0.000306]  ? srso_alias_return_thunk+0x5/0xfbef5\\n[  +0.000003]  ? vsnprintf+0x2fb/0x600\\n[  +0.000009]  dcn10_log_hw_state+0xfd0/0xfe0 [amdgpu]\\n[  +0.000218]  ? __mod_memcg_lruvec_state+0xe8/0x170\\n[  +0.000008]  ? srso_alias_return_thunk+0x5/0xfbef5\\n[  +0.000002]  ? debug_smp_processor_id+0x17/0x20\\n[  +0.000003]  ? srso_alias_return_thunk+0x5/0xfbef5\\n[  +0.000002]  ? srso_alias_return_thunk+0x5/0xfbef5\\n[  +0.000002]  ? set_ptes.isra.0+0x2b/0x90\\n[  +0.000004]  ? srso_alias_return_thunk+0x5/0xfbef5\\n[  +0.000002]  ? _raw_spin_unlock+0x19/0x40\\n[  +0.000004]  ? srso_alias_return_thunk+0x5/0xfbef5\\n[  +0.000002]  ? do_anonymous_page+0x337/0x700\\n[  +0.000004]  dtn_log_read+0x82/0x120 [amdgpu]\\n[  +0.000207]  full_proxy_read+0x66/0x90\\n[  +0.000007]  vfs_read+0xb0/0x340\\n[  +0.000005]  ? __count_memcg_events+0x79/0xe0\\n[  +0.000002]  ? srso_alias_return_thunk+0x5/0xfbef5\\n[  +0.000003]  ? count_memcg_events.constprop.0+0x1e/0x40\\n[  +0.000003]  ? handle_mm_fault+0xb2/0x370\\n[  +0.000003]  ksys_read+0x6b/0xf0\\n[  +0.000004]  __x64_sys_read+0x19/0x20\\n[  +0.000003]  do_syscall_64+0x60/0x130\\n[  +0.000004]  entry_SYSCALL_64_after_hwframe+0x6e/0x76\\n[  +0.000003] RIP: 0033:0x7fdf32f147e2\\n[...]\\n\\nThis error happens when the color log tries to read the gamut remap\\ninformation from DCN401 which is not initialized in the dcn401_dpp_funcs\\nwhich leads to a null pointer dereference. This commit addresses this\\nissue by adding a proper guard to access the gamut_remap callback in\\ncase the specific ASIC did not implement this function.\"}, {\"lang\": \"es\", \"value\": \"En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: drm/amd/display: corrige la desreferencia del puntero NULL para el registro DTN en DCN401 Cuando los usuarios ejecutan el comando: cat /sys/kernel/debug/dri/0/amdgpu_dm_dtn_log El siguiente puntero NULL ocurre la desreferencia: [+0.000003] ERROR: desreferencia del puntero NULL del kernel, direcci\\u00f3n: NULL [+0.000005] #PF: b\\u00fasqueda de instrucciones del supervisor en modo kernel [+0.000002] #PF: c\\u00f3digo_error(0x0010) - p\\u00e1gina no presente [+0.000002] PGD 0 P4D 0 [ +0.000004] Ups: 0010 [#1] PREEMPT SMP NOPTI [ +0.000003] RIP: 0010:0x0 [ +0.000008] C\\u00f3digo: No se puede acceder a los bytes del c\\u00f3digo de operaci\\u00f3n en 0xffffffffffffffd6. [...] [ +0.000002] PKRU: 55555554 [ +0.000002] Seguimiento de llamadas: [ +0.000002]  [ +0.000003] ? show_regs+0x65/0x70 [+0.000006]? __die+0x24/0x70 [ +0.000004] ? page_fault_oops+0x160/0x470 [+0.000006]? do_user_addr_fault+0x2b5/0x690 [+0.000003]? prb_read_valid+0x1c/0x30 [+0.000005]? exc_page_fault+0x8c/0x1a0 [+0.000005]? asm_exc_page_fault+0x27/0x30 [ +0.000012] dcn10_log_color_state+0xf9/0x510 [amdgpu] [ +0.000306] ? srso_alias_return_thunk+0x5/0xfbef5 [+0.000003]? vsnprintf+0x2fb/0x600 [ +0.000009] dcn10_log_hw_state+0xfd0/0xfe0 [amdgpu] [ +0.000218] ? __mod_memcg_lruvec_state+0xe8/0x170 [ +0.000008] ? srso_alias_return_thunk+0x5/0xfbef5 [+0.000002]? debug_smp_processor_id+0x17/0x20 [+0.000003]? srso_alias_return_thunk+0x5/0xfbef5 [+0.000002]? srso_alias_return_thunk+0x5/0xfbef5 [+0.000002]? set_ptes.isra.0+0x2b/0x90 [ +0.000004] ? srso_alias_return_thunk+0x5/0xfbef5 [+0.000002]? _raw_spin_unlock+0x19/0x40 [+0.000004]? srso_alias_return_thunk+0x5/0xfbef5 [+0.000002]? do_anonymous_page+0x337/0x700 [ +0.000004] dtn_log_read+0x82/0x120 [amdgpu] [ +0.000207] full_proxy_read+0x66/0x90 [ +0.000007] vfs_read+0xb0/0x340 [ +0.000005] ? __count_memcg_events+0x79/0xe0 [+0.000002]? srso_alias_return_thunk+0x5/0xfbef5 [+0.000003]? count_memcg_events.constprop.0+0x1e/0x40 [+0.000003]? handle_mm_fault+0xb2/0x370 [ +0.000003] ksys_read+0x6b/0xf0 [ +0.000004] __x64_sys_read+0x19/0x20 [ +0.000003] do_syscall_64+0x60/0x130 [ +0.000004] _64_after_hwframe+0x6e/0x76 [+0.000003] RIP: 0033:0x7fdf32f147e2 [...] Este error ocurre cuando el registro de color intenta leer la informaci\\u00f3n de reasignaci\\u00f3n de gama de DCN401 que no est\\u00e1 inicializada en dcn401_dpp_funcs, lo que conduce a una desreferencia del puntero nulo. Esta confirmaci\\u00f3n soluciona este problema agregando una protecci\\u00f3n adecuada para acceder a la devoluci\\u00f3n de llamada gamut_remap en caso de que el ASIC espec\\u00edfico no haya implementado esta funci\\u00f3n.\"}]",
      "id": "CVE-2024-43901",
      "lastModified": "2024-08-27T14:38:44.187",
      "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}]}",
      "published": "2024-08-26T11:15:04.673",
      "references": "[{\"url\": \"https://git.kernel.org/stable/c/1e68b7ce6bc6073579fe8713ec6b85aa9cd2e351\", \"source\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"tags\": [\"Patch\"]}, {\"url\": \"https://git.kernel.org/stable/c/5af757124792817f8eb1bd0c80ad60fab519586b\", \"source\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"tags\": [\"Patch\"]}]",
      "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "vulnStatus": "Analyzed",
      "weaknesses": "[{\"source\": \"nvd@nist.gov\", \"type\": \"Primary\", \"description\": [{\"lang\": \"en\", \"value\": \"CWE-476\"}]}]"
    },
    "microsoft_vex": {
      "current_release_date": "2026-06-28T01:43:55.000Z",
      "cve": "CVE-2024-43901",
      "id": "msrc_CVE-2024-43901",
      "initial_release_date": "2024-08-02T00:00:00.000Z",
      "product_status:under_investigation": "19",
      "source": "Microsoft CSAF VEX",
      "status": "final",
      "title": "drm/amd/display: Fix NULL pointer dereference for DTN log in DCN401",
      "url": "https://msrc.microsoft.com/csaf/vex/2024/msrc_cve-2024-43901.json",
      "version": "14"
    },
    "nvd": "{\"cve\":{\"id\":\"CVE-2024-43901\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2024-08-26T11:15:04.673\",\"lastModified\":\"2026-06-17T07:51:57.557\",\"vulnStatus\":\"Analyzed\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"In the Linux kernel, the following vulnerability has been resolved:\\n\\ndrm/amd/display: Fix NULL pointer dereference for DTN log in DCN401\\n\\nWhen users run the command:\\n\\ncat /sys/kernel/debug/dri/0/amdgpu_dm_dtn_log\\n\\nThe following NULL pointer dereference happens:\\n\\n[  +0.000003] BUG: kernel NULL pointer dereference, address: NULL\\n[  +0.000005] #PF: supervisor instruction fetch in kernel mode\\n[  +0.000002] #PF: error_code(0x0010) - not-present page\\n[  +0.000002] PGD 0 P4D 0\\n[  +0.000004] Oops: 0010 [#1] PREEMPT SMP NOPTI\\n[  +0.000003] RIP: 0010:0x0\\n[  +0.000008] Code: Unable to access opcode bytes at 0xffffffffffffffd6.\\n[...]\\n[  +0.000002] PKRU: 55555554\\n[  +0.000002] Call Trace:\\n[  +0.000002]  \u003cTASK\u003e\\n[  +0.000003]  ? show_regs+0x65/0x70\\n[  +0.000006]  ? __die+0x24/0x70\\n[  +0.000004]  ? page_fault_oops+0x160/0x470\\n[  +0.000006]  ? do_user_addr_fault+0x2b5/0x690\\n[  +0.000003]  ? prb_read_valid+0x1c/0x30\\n[  +0.000005]  ? exc_page_fault+0x8c/0x1a0\\n[  +0.000005]  ? asm_exc_page_fault+0x27/0x30\\n[  +0.000012]  dcn10_log_color_state+0xf9/0x510 [amdgpu]\\n[  +0.000306]  ? srso_alias_return_thunk+0x5/0xfbef5\\n[  +0.000003]  ? vsnprintf+0x2fb/0x600\\n[  +0.000009]  dcn10_log_hw_state+0xfd0/0xfe0 [amdgpu]\\n[  +0.000218]  ? __mod_memcg_lruvec_state+0xe8/0x170\\n[  +0.000008]  ? srso_alias_return_thunk+0x5/0xfbef5\\n[  +0.000002]  ? debug_smp_processor_id+0x17/0x20\\n[  +0.000003]  ? srso_alias_return_thunk+0x5/0xfbef5\\n[  +0.000002]  ? srso_alias_return_thunk+0x5/0xfbef5\\n[  +0.000002]  ? set_ptes.isra.0+0x2b/0x90\\n[  +0.000004]  ? srso_alias_return_thunk+0x5/0xfbef5\\n[  +0.000002]  ? _raw_spin_unlock+0x19/0x40\\n[  +0.000004]  ? srso_alias_return_thunk+0x5/0xfbef5\\n[  +0.000002]  ? do_anonymous_page+0x337/0x700\\n[  +0.000004]  dtn_log_read+0x82/0x120 [amdgpu]\\n[  +0.000207]  full_proxy_read+0x66/0x90\\n[  +0.000007]  vfs_read+0xb0/0x340\\n[  +0.000005]  ? __count_memcg_events+0x79/0xe0\\n[  +0.000002]  ? srso_alias_return_thunk+0x5/0xfbef5\\n[  +0.000003]  ? count_memcg_events.constprop.0+0x1e/0x40\\n[  +0.000003]  ? handle_mm_fault+0xb2/0x370\\n[  +0.000003]  ksys_read+0x6b/0xf0\\n[  +0.000004]  __x64_sys_read+0x19/0x20\\n[  +0.000003]  do_syscall_64+0x60/0x130\\n[  +0.000004]  entry_SYSCALL_64_after_hwframe+0x6e/0x76\\n[  +0.000003] RIP: 0033:0x7fdf32f147e2\\n[...]\\n\\nThis error happens when the color log tries to read the gamut remap\\ninformation from DCN401 which is not initialized in the dcn401_dpp_funcs\\nwhich leads to a null pointer dereference. This commit addresses this\\nissue by adding a proper guard to access the gamut_remap callback in\\ncase the specific ASIC did not implement this function.\"},{\"lang\":\"es\",\"value\":\"En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: drm/amd/display: corrige la desreferencia del puntero NULL para el registro DTN en DCN401 Cuando los usuarios ejecutan el comando: cat /sys/kernel/debug/dri/0/amdgpu_dm_dtn_log El siguiente puntero NULL ocurre la desreferencia: [+0.000003] ERROR: desreferencia del puntero NULL del kernel, direcci\u00f3n: NULL [+0.000005] #PF: b\u00fasqueda de instrucciones del supervisor en modo kernel [+0.000002] #PF: c\u00f3digo_error(0x0010) - p\u00e1gina no presente [+0.000002] PGD 0 P4D 0 [ +0.000004] Ups: 0010 [#1] PREEMPT SMP NOPTI [ +0.000003] RIP: 0010:0x0 [ +0.000008] C\u00f3digo: No se puede acceder a los bytes del c\u00f3digo de operaci\u00f3n en 0xffffffffffffffd6. [...] [ +0.000002] PKRU: 55555554 [ +0.000002] Seguimiento de llamadas: [ +0.000002]  [ +0.000003] ? show_regs+0x65/0x70 [+0.000006]? __die+0x24/0x70 [ +0.000004] ? page_fault_oops+0x160/0x470 [+0.000006]? do_user_addr_fault+0x2b5/0x690 [+0.000003]? prb_read_valid+0x1c/0x30 [+0.000005]? exc_page_fault+0x8c/0x1a0 [+0.000005]? asm_exc_page_fault+0x27/0x30 [ +0.000012] dcn10_log_color_state+0xf9/0x510 [amdgpu] [ +0.000306] ? srso_alias_return_thunk+0x5/0xfbef5 [+0.000003]? vsnprintf+0x2fb/0x600 [ +0.000009] dcn10_log_hw_state+0xfd0/0xfe0 [amdgpu] [ +0.000218] ? __mod_memcg_lruvec_state+0xe8/0x170 [ +0.000008] ? srso_alias_return_thunk+0x5/0xfbef5 [+0.000002]? debug_smp_processor_id+0x17/0x20 [+0.000003]? srso_alias_return_thunk+0x5/0xfbef5 [+0.000002]? srso_alias_return_thunk+0x5/0xfbef5 [+0.000002]? set_ptes.isra.0+0x2b/0x90 [ +0.000004] ? srso_alias_return_thunk+0x5/0xfbef5 [+0.000002]? _raw_spin_unlock+0x19/0x40 [+0.000004]? srso_alias_return_thunk+0x5/0xfbef5 [+0.000002]? do_anonymous_page+0x337/0x700 [ +0.000004] dtn_log_read+0x82/0x120 [amdgpu] [ +0.000207] full_proxy_read+0x66/0x90 [ +0.000007] vfs_read+0xb0/0x340 [ +0.000005] ? __count_memcg_events+0x79/0xe0 [+0.000002]? srso_alias_return_thunk+0x5/0xfbef5 [+0.000003]? count_memcg_events.constprop.0+0x1e/0x40 [+0.000003]? handle_mm_fault+0xb2/0x370 [ +0.000003] ksys_read+0x6b/0xf0 [ +0.000004] __x64_sys_read+0x19/0x20 [ +0.000003] do_syscall_64+0x60/0x130 [ +0.000004] _64_after_hwframe+0x6e/0x76 [+0.000003] RIP: 0033:0x7fdf32f147e2 [...] Este error ocurre cuando el registro de color intenta leer la informaci\u00f3n de reasignaci\u00f3n de gama de DCN401 que no est\u00e1 inicializada en dcn401_dpp_funcs, lo que conduce a una desreferencia del puntero nulo. Esta confirmaci\u00f3n soluciona este problema agregando una protecci\u00f3n adecuada para acceder a la devoluci\u00f3n de llamada gamut_remap en caso de que el ASIC espec\u00edfico no haya implementado esta funci\u00f3n.\"}],\"affected\":[{\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"affectedData\":[{\"vendor\":\"Linux\",\"product\":\"Linux\",\"defaultStatus\":\"unaffected\",\"programFiles\":[\"drivers/gpu/drm/amd/display/dc/hwss/dcn10/dcn10_hwseq.c\"],\"repo\":\"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\"versions\":[{\"version\":\"4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c\",\"lessThan\":\"1e68b7ce6bc6073579fe8713ec6b85aa9cd2e351\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c\",\"lessThan\":\"5af757124792817f8eb1bd0c80ad60fab519586b\",\"versionType\":\"git\",\"status\":\"affected\"}]},{\"vendor\":\"Linux\",\"product\":\"Linux\",\"defaultStatus\":\"affected\",\"programFiles\":[\"drivers/gpu/drm/amd/display/dc/hwss/dcn10/dcn10_hwseq.c\"],\"repo\":\"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\"versions\":[{\"version\":\"4.15\",\"status\":\"affected\"},{\"version\":\"0\",\"lessThan\":\"4.15\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"6.10.5\",\"lessThanOrEqual\":\"6.10.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"6.11\",\"lessThanOrEqual\":\"*\",\"versionType\":\"original_commit_for_fix\",\"status\":\"unaffected\"}]}]}],\"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}],\"ssvcV203\":[{\"source\":\"134c704f-9b21-4f2e-91b3-4a467353bcc0\",\"ssvcData\":{\"timestamp\":\"2024-09-10T15:28:50.219513Z\",\"id\":\"CVE-2024-43901\",\"options\":[{\"exploitation\":\"none\"},{\"automatable\":\"no\"},{\"technicalImpact\":\"partial\"}],\"role\":\"CISA Coordinator\",\"version\":\"2.0.3\"}}]},\"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\":\"6.10.5\",\"matchCriteriaId\":\"E4CB0927-C720-465B-99F2-3E47215515F2\"}]}]}],\"references\":[{\"url\":\"https://git.kernel.org/stable/c/1e68b7ce6bc6073579fe8713ec6b85aa9cd2e351\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/5af757124792817f8eb1bd0c80ad60fab519586b\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]}]}}",
    "redhat_vex": {
      "aggregate_severity": "Low",
      "current_release_date": "2025-11-21T14:32:44+00:00",
      "cve": "CVE-2024-43901",
      "id": "CVE-2024-43901",
      "initial_release_date": "2024-08-26T00:00:00+00:00",
      "product_status:known_not_affected": "198",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "kernel: drm/amd/display: Fix NULL pointer dereference for DTN log in DCN401",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2024/cve-2024-43901.json",
      "version": "3"
    },
    "suse_vex": {
      "aggregate_severity": "moderate",
      "current_release_date": "2026-08-29T01:49:57Z",
      "cve": "CVE-2024-43901",
      "id": "CVE-2024-43901",
      "initial_release_date": "2024-08-27T02:24:19Z",
      "product_status:known_not_affected": "372",
      "product_status:recommended": "47",
      "source": "SUSE CSAF VEX",
      "status": "interim",
      "title": "SUSE CVE CVE-2024-43901",
      "url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2024-43901.json",
      "version": "19"
    },
    "vulnrichment": {
      "containers": "{\"adp\": [{\"title\": \"CISA ADP Vulnrichment\", \"metrics\": [{\"other\": {\"type\": \"ssvc\", \"content\": {\"id\": \"CVE-2024-43901\", \"role\": \"CISA Coordinator\", \"options\": [{\"Exploitation\": \"none\"}, {\"Automatable\": \"no\"}, {\"Technical Impact\": \"partial\"}], \"version\": \"2.0.3\", \"timestamp\": \"2024-09-10T15:28:50.219513Z\"}}}], \"providerMetadata\": {\"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"shortName\": \"CISA-ADP\", \"dateUpdated\": \"2024-09-11T12:42:15.178Z\"}}], \"cna\": {\"title\": \"drm/amd/display: Fix NULL pointer dereference for DTN log in DCN401\", \"affected\": [{\"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\", \"vendor\": \"Linux\", \"product\": \"Linux\", \"versions\": [{\"status\": \"affected\", \"version\": \"4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c\", \"lessThan\": \"1e68b7ce6bc6073579fe8713ec6b85aa9cd2e351\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c\", \"lessThan\": \"5af757124792817f8eb1bd0c80ad60fab519586b\", \"versionType\": \"git\"}], \"programFiles\": [\"drivers/gpu/drm/amd/display/dc/hwss/dcn10/dcn10_hwseq.c\"], \"defaultStatus\": \"unaffected\"}, {\"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\", \"vendor\": \"Linux\", \"product\": \"Linux\", \"versions\": [{\"status\": \"affected\", \"version\": \"4.15\"}, {\"status\": \"unaffected\", \"version\": \"0\", \"lessThan\": \"4.15\", \"versionType\": \"semver\"}, {\"status\": \"unaffected\", \"version\": \"6.10.5\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"6.10.*\"}, {\"status\": \"unaffected\", \"version\": \"6.11\", \"versionType\": \"original_commit_for_fix\", \"lessThanOrEqual\": \"*\"}], \"programFiles\": [\"drivers/gpu/drm/amd/display/dc/hwss/dcn10/dcn10_hwseq.c\"], \"defaultStatus\": \"affected\"}], \"references\": [{\"url\": \"https://git.kernel.org/stable/c/1e68b7ce6bc6073579fe8713ec6b85aa9cd2e351\"}, {\"url\": \"https://git.kernel.org/stable/c/5af757124792817f8eb1bd0c80ad60fab519586b\"}], \"x_generator\": {\"engine\": \"bippy-1.2.0\"}, \"descriptions\": [{\"lang\": \"en\", \"value\": \"In the Linux kernel, the following vulnerability has been resolved:\\n\\ndrm/amd/display: Fix NULL pointer dereference for DTN log in DCN401\\n\\nWhen users run the command:\\n\\ncat /sys/kernel/debug/dri/0/amdgpu_dm_dtn_log\\n\\nThe following NULL pointer dereference happens:\\n\\n[  +0.000003] BUG: kernel NULL pointer dereference, address: NULL\\n[  +0.000005] #PF: supervisor instruction fetch in kernel mode\\n[  +0.000002] #PF: error_code(0x0010) - not-present page\\n[  +0.000002] PGD 0 P4D 0\\n[  +0.000004] Oops: 0010 [#1] PREEMPT SMP NOPTI\\n[  +0.000003] RIP: 0010:0x0\\n[  +0.000008] Code: Unable to access opcode bytes at 0xffffffffffffffd6.\\n[...]\\n[  +0.000002] PKRU: 55555554\\n[  +0.000002] Call Trace:\\n[  +0.000002]  \u003cTASK\u003e\\n[  +0.000003]  ? show_regs+0x65/0x70\\n[  +0.000006]  ? __die+0x24/0x70\\n[  +0.000004]  ? page_fault_oops+0x160/0x470\\n[  +0.000006]  ? do_user_addr_fault+0x2b5/0x690\\n[  +0.000003]  ? prb_read_valid+0x1c/0x30\\n[  +0.000005]  ? exc_page_fault+0x8c/0x1a0\\n[  +0.000005]  ? asm_exc_page_fault+0x27/0x30\\n[  +0.000012]  dcn10_log_color_state+0xf9/0x510 [amdgpu]\\n[  +0.000306]  ? srso_alias_return_thunk+0x5/0xfbef5\\n[  +0.000003]  ? vsnprintf+0x2fb/0x600\\n[  +0.000009]  dcn10_log_hw_state+0xfd0/0xfe0 [amdgpu]\\n[  +0.000218]  ? __mod_memcg_lruvec_state+0xe8/0x170\\n[  +0.000008]  ? srso_alias_return_thunk+0x5/0xfbef5\\n[  +0.000002]  ? debug_smp_processor_id+0x17/0x20\\n[  +0.000003]  ? srso_alias_return_thunk+0x5/0xfbef5\\n[  +0.000002]  ? srso_alias_return_thunk+0x5/0xfbef5\\n[  +0.000002]  ? set_ptes.isra.0+0x2b/0x90\\n[  +0.000004]  ? srso_alias_return_thunk+0x5/0xfbef5\\n[  +0.000002]  ? _raw_spin_unlock+0x19/0x40\\n[  +0.000004]  ? srso_alias_return_thunk+0x5/0xfbef5\\n[  +0.000002]  ? do_anonymous_page+0x337/0x700\\n[  +0.000004]  dtn_log_read+0x82/0x120 [amdgpu]\\n[  +0.000207]  full_proxy_read+0x66/0x90\\n[  +0.000007]  vfs_read+0xb0/0x340\\n[  +0.000005]  ? __count_memcg_events+0x79/0xe0\\n[  +0.000002]  ? srso_alias_return_thunk+0x5/0xfbef5\\n[  +0.000003]  ? count_memcg_events.constprop.0+0x1e/0x40\\n[  +0.000003]  ? handle_mm_fault+0xb2/0x370\\n[  +0.000003]  ksys_read+0x6b/0xf0\\n[  +0.000004]  __x64_sys_read+0x19/0x20\\n[  +0.000003]  do_syscall_64+0x60/0x130\\n[  +0.000004]  entry_SYSCALL_64_after_hwframe+0x6e/0x76\\n[  +0.000003] RIP: 0033:0x7fdf32f147e2\\n[...]\\n\\nThis error happens when the color log tries to read the gamut remap\\ninformation from DCN401 which is not initialized in the dcn401_dpp_funcs\\nwhich leads to a null pointer dereference. This commit addresses this\\nissue by adding a proper guard to access the gamut_remap callback in\\ncase the specific ASIC did not implement this function.\"}], \"cpeApplicability\": [{\"nodes\": [{\"negate\": false, \"cpeMatch\": [{\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.10.5\", \"versionStartIncluding\": \"4.15\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.11\", \"versionStartIncluding\": \"4.15\"}], \"operator\": \"OR\"}]}], \"providerMetadata\": {\"orgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"shortName\": \"Linux\", \"dateUpdated\": \"2026-05-11T20:31:58.192Z\"}}}",
      "cveMetadata": "{\"cveId\": \"CVE-2024-43901\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2026-05-11T20:31:58.192Z\", \"dateReserved\": \"2024-08-17T09:11:59.292Z\", \"assignerOrgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"datePublished\": \"2024-08-26T10:11:00.255Z\", \"assignerShortName\": \"Linux\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.2"
    }
  }
}



Log in or create an account to share your comment.




Tags
Taxonomy of the tags.





Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


Detection rules are retrieved from Rulezet.


Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.