CVE-2024-49894 (GCVE-0-2024-49894)

Vulnerability from cvelistv5 – Published: 2024-10-21 18:01 – Updated: 2026-08-05 11:40
VLAI
Title
drm/amd/display: Fix index out of bounds in degamma hardware format translation
Summary
In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Fix index out of bounds in degamma hardware format translation Fixes index out of bounds issue in `cm_helper_translate_curve_to_degamma_hw_format` function. The issue could occur when the index 'i' exceeds the number of transfer function points (TRANSFER_FUNC_POINTS). The fix adds a check to ensure 'i' is within bounds before accessing the transfer function points. If 'i' is out of bounds the function returns false to indicate an error. Reported by smatch: drivers/gpu/drm/amd/amdgpu/../display/dc/dcn10/dcn10_cm_common.c:594 cm_helper_translate_curve_to_degamma_hw_format() error: buffer overflow 'output_tf->tf_pts.red' 1025 <= s32max drivers/gpu/drm/amd/amdgpu/../display/dc/dcn10/dcn10_cm_common.c:595 cm_helper_translate_curve_to_degamma_hw_format() error: buffer overflow 'output_tf->tf_pts.green' 1025 <= s32max drivers/gpu/drm/amd/amdgpu/../display/dc/dcn10/dcn10_cm_common.c:596 cm_helper_translate_curve_to_degamma_hw_format() error: buffer overflow 'output_tf->tf_pts.blue' 1025 <= s32max
Severity
7.1 (High)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2024-10-22 13:43 UTC
Assigner
References
Impacted products
Vendor Product Version CPE status
Linux Linux Affected: 4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c , < b3dfa878257a7e98830b3009ca5831a01d8f85fc (git)
Affected: 4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c , < f5f6d90087131812c1e4b9d3103f400f1624396d (git)
Affected: 4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c , < c130a3c09e3746c1a09ce26c20d21d449d039b1d (git)
Affected: 4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c , < c6979719012a90e5b8e3bc31725fbfdd0b9b2b79 (git)
Affected: 4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c , < 2495c8e272d84685403506833a664fad932e453a (git)
Affected: 4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c , < 122e3a7a8c7bcbe3aacddd6103f67f9f36bed473 (git)
Affected: 4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c , < 2f5da549535be8ccd2ab7c9abac8562ad370b181 (git)
Affected: 4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c , < 07078fa5d589a7fbce8f81ea8acf7aa0021ab38e (git)
Affected: 4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c , < b7e99058eb2e86aabd7a10761e76cae33d22b49f (git)
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Linux Linux Affected: 4.15
Unaffected: 0 , < 4.15 (semver)
Unaffected: 4.19.323 , ≤ 4.19.* (semver)
Unaffected: 5.4.285 , ≤ 5.4.* (semver)
Unaffected: 5.10.227 , ≤ 5.10.* (semver)
Unaffected: 5.15.168 , ≤ 5.15.* (semver)
Unaffected: 6.1.113 , ≤ 6.1.* (semver)
Unaffected: 6.6.55 , ≤ 6.6.* (semver)
Unaffected: 6.10.14 , ≤ 6.10.* (semver)
Unaffected: 6.11.3 , ≤ 6.11.* (semver)
Unaffected: 6.12 , ≤ * (original_commit_for_fix)
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Siemens RUGGEDCOM RST2428P Unaffected: 0 , < * (custom)
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Siemens SCALANCE XC-300/XR-300/XC-400/XR-500WG/XR-500 family Unaffected: 0 , < * (custom)
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Siemens SCALANCE XCM-/XRM-/XCH-/XRH-300 family Unaffected: 0 , < * (custom)
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Siemens SIMATIC S7-1500 TM MFP - GNU/Linux subsystem Affected: 0 , < * (custom)
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            "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/amd/display: Fix index out of bounds in degamma hardware format translation\n\nFixes index out of bounds issue in\n`cm_helper_translate_curve_to_degamma_hw_format` function. The issue\ncould occur when the index \u0027i\u0027 exceeds the number of transfer function\npoints (TRANSFER_FUNC_POINTS).\n\nThe fix adds a check to ensure \u0027i\u0027 is within bounds before accessing the\ntransfer function points. If \u0027i\u0027 is out of bounds the function returns\nfalse to indicate an error.\n\nReported by smatch:\ndrivers/gpu/drm/amd/amdgpu/../display/dc/dcn10/dcn10_cm_common.c:594 cm_helper_translate_curve_to_degamma_hw_format() error: buffer overflow \u0027output_tf-\u003etf_pts.red\u0027 1025 \u003c= s32max\ndrivers/gpu/drm/amd/amdgpu/../display/dc/dcn10/dcn10_cm_common.c:595 cm_helper_translate_curve_to_degamma_hw_format() error: buffer overflow \u0027output_tf-\u003etf_pts.green\u0027 1025 \u003c= s32max\ndrivers/gpu/drm/amd/amdgpu/../display/dc/dcn10/dcn10_cm_common.c:596 cm_helper_translate_curve_to_degamma_hw_format() error: buffer overflow \u0027output_tf-\u003etf_pts.blue\u0027 1025 \u003c= s32max"
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            "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: drm/amd/display: Corrige el \u00edndice fuera de los l\u00edmites en la traducci\u00f3n del formato de hardware degamma Corrige el problema del \u00edndice fuera de los l\u00edmites en la funci\u00f3n `cm_helper_translate_curve_to_degamma_hw_format`. El problema podr\u00eda ocurrir cuando el \u00edndice \u0027i\u0027 excede el n\u00famero de puntos de funci\u00f3n de transferencia (TRANSFER_FUNC_POINTS). La correcci\u00f3n agrega una verificaci\u00f3n para garantizar que \u0027i\u0027 est\u00e9 dentro de los l\u00edmites antes de acceder a los puntos de funci\u00f3n de transferencia. Si \u0027i\u0027 est\u00e1 fuera de los l\u00edmites, la funci\u00f3n devuelve falso para indicar un error. Reportado por smatch: drivers/gpu/drm/amd/amdgpu/../display/dc/dcn10/dcn10_cm_common.c:594 cm_helper_translate_curve_to_degamma_hw_format() error: desbordamiento de b\u00fafer \u0027output_tf-\u0026gt;tf_pts.red\u0027 1025 \u0026lt;= s32max drivers/gpu/drm/amd/amdgpu/../display/dc/dcn10/dcn10_cm_common.c:595 cm_helper_translate_curve_to_degamma_hw_format() error: desbordamiento de b\u00fafer \u0027output_tf-\u0026gt;tf_pts.green\u0027 1025 \u0026lt;= s32max drivers/gpu/drm/amd/amdgpu/../display/dc/dcn10/dcn10_cm_common.c:596 cm_helper_translate_curve_to_degamma_hw_format() error: desbordamiento de b\u00fafer \u0027output_tf-\u0026gt;tf_pts.blue\u0027 1025 \u0026lt;= s32max"
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              "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": "4.19.*",
                  "status": "unaffected",
                  "version": "4.19.323",
                  "versionType": "semver"
                },
                {
                  "lessThanOrEqual": "5.4.*",
                  "status": "unaffected",
                  "version": "5.4.285",
                  "versionType": "semver"
                },
                {
                  "lessThanOrEqual": "5.10.*",
                  "status": "unaffected",
                  "version": "5.10.227",
                  "versionType": "semver"
                },
                {
                  "lessThanOrEqual": "5.15.*",
                  "status": "unaffected",
                  "version": "5.15.168",
                  "versionType": "semver"
                },
                {
                  "lessThanOrEqual": "6.1.*",
                  "status": "unaffected",
                  "version": "6.1.113",
                  "versionType": "semver"
                },
                {
                  "lessThanOrEqual": "6.6.*",
                  "status": "unaffected",
                  "version": "6.6.55",
                  "versionType": "semver"
                },
                {
                  "lessThanOrEqual": "6.10.*",
                  "status": "unaffected",
                  "version": "6.10.14",
                  "versionType": "semver"
                },
                {
                  "lessThanOrEqual": "6.11.*",
                  "status": "unaffected",
                  "version": "6.11.3",
                  "versionType": "semver"
                },
                {
                  "lessThanOrEqual": "*",
                  "status": "unaffected",
                  "version": "6.12",
                  "versionType": "original_commit_for_fix"
                }
              ]
            }
          ],
          "cpeApplicability": [
            {
              "nodes": [
                {
                  "cpeMatch": [
                    {
                      "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                      "versionEndExcluding": "4.19.323",
                      "versionStartIncluding": "4.15",
                      "vulnerable": true
                    },
                    {
                      "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                      "versionEndExcluding": "5.4.285",
                      "versionStartIncluding": "4.15",
                      "vulnerable": true
                    },
                    {
                      "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                      "versionEndExcluding": "5.10.227",
                      "versionStartIncluding": "4.15",
                      "vulnerable": true
                    },
                    {
                      "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                      "versionEndExcluding": "5.15.168",
                      "versionStartIncluding": "4.15",
                      "vulnerable": true
                    },
                    {
                      "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                      "versionEndExcluding": "6.1.113",
                      "versionStartIncluding": "4.15",
                      "vulnerable": true
                    },
                    {
                      "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                      "versionEndExcluding": "6.6.55",
                      "versionStartIncluding": "4.15",
                      "vulnerable": true
                    },
                    {
                      "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                      "versionEndExcluding": "6.10.14",
                      "versionStartIncluding": "4.15",
                      "vulnerable": true
                    },
                    {
                      "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                      "versionEndExcluding": "6.11.3",
                      "versionStartIncluding": "4.15",
                      "vulnerable": true
                    },
                    {
                      "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                      "versionEndExcluding": "6.12",
                      "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 index out of bounds in degamma hardware format translation\n\nFixes index out of bounds issue in\n`cm_helper_translate_curve_to_degamma_hw_format` function. The issue\ncould occur when the index \u0027i\u0027 exceeds the number of transfer function\npoints (TRANSFER_FUNC_POINTS).\n\nThe fix adds a check to ensure \u0027i\u0027 is within bounds before accessing the\ntransfer function points. If \u0027i\u0027 is out of bounds the function returns\nfalse to indicate an error.\n\nReported by smatch:\ndrivers/gpu/drm/amd/amdgpu/../display/dc/dcn10/dcn10_cm_common.c:594 cm_helper_translate_curve_to_degamma_hw_format() error: buffer overflow \u0027output_tf-\u003etf_pts.red\u0027 1025 \u003c= s32max\ndrivers/gpu/drm/amd/amdgpu/../display/dc/dcn10/dcn10_cm_common.c:595 cm_helper_translate_curve_to_degamma_hw_format() error: buffer overflow \u0027output_tf-\u003etf_pts.green\u0027 1025 \u003c= s32max\ndrivers/gpu/drm/amd/amdgpu/../display/dc/dcn10/dcn10_cm_common.c:596 cm_helper_translate_curve_to_degamma_hw_format() error: buffer overflow \u0027output_tf-\u003etf_pts.blue\u0027 1025 \u003c= s32max"
            }
          ],
          "providerMetadata": {
            "dateUpdated": "2025-07-11T17:20:55.732Z",
            "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
            "shortName": "Linux"
          },
          "references": [
            {
              "url": "https://git.kernel.org/stable/c/b3dfa878257a7e98830b3009ca5831a01d8f85fc"
            },
            {
              "url": "https://git.kernel.org/stable/c/f5f6d90087131812c1e4b9d3103f400f1624396d"
            },
            {
              "url": "https://git.kernel.org/stable/c/c130a3c09e3746c1a09ce26c20d21d449d039b1d"
            },
            {
              "url": "https://git.kernel.org/stable/c/c6979719012a90e5b8e3bc31725fbfdd0b9b2b79"
            },
            {
              "url": "https://git.kernel.org/stable/c/2495c8e272d84685403506833a664fad932e453a"
            },
            {
              "url": "https://git.kernel.org/stable/c/122e3a7a8c7bcbe3aacddd6103f67f9f36bed473"
            },
            {
              "url": "https://git.kernel.org/stable/c/2f5da549535be8ccd2ab7c9abac8562ad370b181"
            },
            {
              "url": "https://git.kernel.org/stable/c/07078fa5d589a7fbce8f81ea8acf7aa0021ab38e"
            },
            {
              "url": "https://git.kernel.org/stable/c/b7e99058eb2e86aabd7a10761e76cae33d22b49f"
            }
          ],
          "title": "drm/amd/display: Fix index out of bounds in degamma hardware format translation",
          "x_generator": {
            "engine": "bippy-1.2.0"
          }
        }
      },
      "cveMetadata": {
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "assignerShortName": "Linux",
        "cveId": "CVE-2024-49894",
        "datePublished": "2024-10-21T18:01:28.360Z",
        "dateReserved": "2024-10-21T12:17:06.025Z",
        "dateUpdated": "2025-11-03T22:22:58.352Z",
        "state": "PUBLISHED"
      },
      "dataType": "CVE_RECORD",
      "dataVersion": "5.2"
    }
  }
}



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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

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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.