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CVE-2024-49892 (GCVE-0-2024-49892)

Vulnerability from cvelistv5 – Published: 2024-10-21 18:01 – Updated: 2026-05-12 11:58
VLAI
Title
drm/amd/display: Initialize get_bytes_per_element's default to 1
Summary
In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Initialize get_bytes_per_element's default to 1 Variables, used as denominators and maybe not assigned to other values, should not be 0. bytes_per_element_y & bytes_per_element_c are initialized by get_bytes_per_element() which should never return 0. This fixes 10 DIVIDE_BY_ZERO issues reported by Coverity.
Severity
No CVSS data available.
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2024-10-22 13:44 UTC
Assigner
References
Impacted products
Vendor Product Version CPE status
Linux Linux Affected: 4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c , < 8f0abb39c16e719129de10596b3ae3363fa178b4 (git)
Affected: 4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c , < f921335123f6620c3dce5c96fbb95f18524a021c (git)
Affected: 4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c , < 1f9f8186e239222f1c8d3dd73bf3bc6ae86c5e76 (git)
Affected: 4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c , < a23d6029e730f8a151b1a34afb169baac1274583 (git)
Affected: 4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c , < c7630935d9a4986e8c0ed91658a781b7a77d73f7 (git)
Affected: 4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c , < bc00d211da4ffad5314a2043b50bdc8ff8a33724 (git)
Affected: 4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c , < 3334ab72cbba55a632f24579cd47c4a4e5e69cda (git)
Affected: 4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c , < 4067f4fa0423a89fb19a30b57231b384d77d2610 (git)
guessed Create a notification for this product.
Linux Linux Affected: 4.15
Unaffected: 0 , < 4.15 (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)
guessed Create a notification for this product.
Siemens SCALANCE XCM-/XRM-/XCH-/XRH-300 family Unaffected: 0 , < * (custom)
guessed Create a notification for this product.
Siemens SIMATIC S7-1500 TM MFP - GNU/Linux subsystem Affected: 0 , < * (custom)
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      "version": "3"
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    "nvd": "{\"cve\":{\"id\":\"CVE-2024-49892\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2024-10-21T18:15:11.757\",\"lastModified\":\"2026-06-17T08:00:40.680\",\"vulnStatus\":\"Modified\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"In the Linux kernel, the following vulnerability has been resolved:\\n\\ndrm/amd/display: Initialize get_bytes_per_element\u0027s default to 1\\n\\nVariables, used as denominators and maybe not assigned to other values,\\nshould not be 0. bytes_per_element_y \u0026 bytes_per_element_c are\\ninitialized by get_bytes_per_element() which should never return 0.\\n\\nThis fixes 10 DIVIDE_BY_ZERO issues reported by Coverity.\"},{\"lang\":\"es\",\"value\":\"En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: drm/amd/display: inicializar el valor predeterminado de get_bytes_per_element en 1. Las variables, utilizadas como denominadores y que quiz\u00e1s no se asignen a otros valores, no deben ser 0. bytes_per_element_y y bytes_per_element_c se inicializan mediante get_bytes_per_element(), que nunca debe devolver 0. 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    "redhat_vex": {
      "aggregate_severity": "Moderate",
      "current_release_date": "2025-11-21T14:21:36+00:00",
      "cve": "CVE-2024-49892",
      "id": "CVE-2024-49892",
      "initial_release_date": "2024-10-21T00:00:00+00:00",
      "product_status:known_not_affected": "198",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "kernel: drm/amd/display: Initialize get_bytes_per_element\u0026#39;s default to 1",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2024/cve-2024-49892.json",
      "version": "3"
    },
    "suse_vex": {
      "aggregate_severity": "moderate",
      "current_release_date": "2026-09-12T16:57:43Z",
      "cve": "CVE-2024-49892",
      "id": "CVE-2024-49892",
      "initial_release_date": "2024-10-24T03:18:50Z",
      "product_status:known_affected": "514",
      "product_status:known_not_affected": "258",
      "product_status:recommended": "638",
      "source": "SUSE CSAF VEX",
      "status": "interim",
      "title": "SUSE CVE CVE-2024-49892",
      "url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2024-49892.json",
      "version": "67"
    },
    "vulnrichment": {
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\"descriptions\": [{\"lang\": \"en\", \"value\": \"In the Linux kernel, the following vulnerability has been resolved:\\n\\ndrm/amd/display: Initialize get_bytes_per_element\u0027s default to 1\\n\\nVariables, used as denominators and maybe not assigned to other values,\\nshould not be 0. bytes_per_element_y \u0026 bytes_per_element_c are\\ninitialized by get_bytes_per_element() which should never return 0.\\n\\nThis fixes 10 DIVIDE_BY_ZERO issues reported by Coverity.\"}], \"cpeApplicability\": [{\"nodes\": [{\"negate\": false, \"cpeMatch\": [{\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"5.4.285\", \"versionStartIncluding\": \"4.15\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"5.10.227\", \"versionStartIncluding\": \"4.15\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": 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\"dateUpdated\": \"2025-07-11T17:20:53.468Z\"}}}",
      "cveMetadata": "{\"cveId\": \"CVE-2024-49892\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2025-11-03T22:22:56.885Z\", \"dateReserved\": \"2024-10-21T12:17:06.025Z\", \"assignerOrgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"datePublished\": \"2024-10-21T18:01:27.004Z\", \"assignerShortName\": \"Linux\"}",
      "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

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.