FKIE_CVE-2024-26648

Vulnerability from fkie_nvd - Published: 2024-03-26 18:15 - Updated: 2025-04-08 19:29
Severity ?
5.5 (Medium) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Summary
In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Fix variable deferencing before NULL check in edp_setup_replay() In edp_setup_replay(), 'struct dc *dc' & 'struct dmub_replay *replay' was dereferenced before the pointer 'link' & 'replay' NULL check. Fixes the below: drivers/gpu/drm/amd/amdgpu/../display/dc/link/protocols/link_edp_panel_control.c:947 edp_setup_replay() warn: variable dereferenced before check 'link' (see line 933)
References
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/22ae604aea14756954e1c00ae653e34d2afd2935Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/7073934f5d73f8b53308963cee36f0d389ea857cPatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/c02d257c654191ecda1dc1af6875d527e85310e7Patch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/22ae604aea14756954e1c00ae653e34d2afd2935Patch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/7073934f5d73f8b53308963cee36f0d389ea857cPatch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/c02d257c654191ecda1dc1af6875d527e85310e7Patch
Impacted products
Vendor Product Version
linux linux_kernel *
linux linux_kernel *
To clipboard 

{
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "142FB4DC-E1A5-4DD2-8150-C5741C441196",
              "versionEndExcluding": "6.6.15",
              "vulnerable": true
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  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/amd/display: Fix variable deferencing before NULL check in edp_setup_replay()\n\nIn edp_setup_replay(), \u0027struct dc *dc\u0027 \u0026 \u0027struct dmub_replay *replay\u0027\nwas dereferenced before the pointer \u0027link\u0027 \u0026 \u0027replay\u0027 NULL check.\n\nFixes the below:\ndrivers/gpu/drm/amd/amdgpu/../display/dc/link/protocols/link_edp_panel_control.c:947 edp_setup_replay() warn: variable dereferenced before check \u0027link\u0027 (see line 933)"
    },
    {
      "lang": "es",
      "value": "En el kernel de Linux, se resolvi\u00f3 la siguiente vulnerabilidad: drm/amd/display: se corrigi\u00f3 la diferenciaci\u00f3n de variables antes de la verificaci\u00f3n NULL en edp_setup_replay() En edp_setup_replay(), se elimin\u00f3 la referencia a \u0027struct dc *dc\u0027 y \u0027struct dmub_replay *replay\u0027 antes de la comprobaci\u00f3n NULL del puntero \u0027enlace\u0027 y \u0027repetici\u00f3n\u0027. Corrige lo siguiente: drivers/gpu/drm/amd/amdgpu/../display/dc/link/protocols/link_edp_panel_control.c:947 edp_setup_replay() advertencia: variable desreferenciada antes de marcar \u0027enlace\u0027 (ver l\u00ednea 933)"
    }
  ],
  "id": "CVE-2024-26648",
  "lastModified": "2025-04-08T19:29:14.917",
  "metrics": {
    "cvssMetricV31": [
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        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "LOCAL",
          "availabilityImpact": "HIGH",
          "baseScore": 5.5,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "privilegesRequired": "LOW",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
          "version": "3.1"
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        "exploitabilityScore": 1.8,
        "impactScore": 3.6,
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "type": "Secondary"
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  "published": "2024-03-26T18:15:10.220",
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  "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
  "vulnStatus": "Analyzed",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-476"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}


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  • Confirmed: The vulnerability has been validated from an analyst's perspective.
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  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



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