CVE-2026-93193 (GCVE-0-2026-93193)
Vulnerability from cvelistv5
Published
2026-09-17 16:12
Modified
2026-10-19 09:07
Severity ?
Summary
In the Linux kernel, the following vulnerability has been resolved: drm/rockchip: analogix_dp: Fix OF node reference leak via auto cleanup Sashiko reported a reference leak in rockchip_dp_drm_encoder_enable(), the of_get_child_by_name() function does not call of_node_put() in a symmetrical way [1]. Fix the device node reference leak by using __free(device_node) to automatically manage of_node_put() for all device nodes.
References
Impacted products
Vendor Product Version
Linux Linux Version: 729f8eefdcadaff98606931e691910f17d8d59d6
Version: 729f8eefdcadaff98606931e691910f17d8d59d6
Version: 729f8eefdcadaff98606931e691910f17d8d59d6
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{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "drivers/gpu/drm/rockchip/analogix_dp-rockchip.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThan": "396a193867c6e8ee810287d6f79624144b5629e9",
              "status": "affected",
              "version": "729f8eefdcadaff98606931e691910f17d8d59d6",
              "versionType": "git"
            },
            {
              "lessThan": "887315e5d2eb87c3d6d0da9f7610bc5b3113ae30",
              "status": "affected",
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              "versionType": "git"
            },
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              "versionType": "git"
            }
          ]
        },
        {
          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
            "drivers/gpu/drm/rockchip/analogix_dp-rockchip.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "6.16"
            },
            {
              "lessThan": "6.16",
              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.18.*",
              "status": "unaffected",
              "version": "6.18.52",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "7.2.*",
              "status": "unaffected",
              "version": "7.2.6",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "7.3",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "cpeApplicability": [
        {
          "nodes": [
            {
              "cpeMatch": [
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.18.52",
                  "versionStartIncluding": "6.16",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "7.2.6",
                  "versionStartIncluding": "6.16",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "7.3",
                  "versionStartIncluding": "6.16",
                  "vulnerable": true
                }
              ],
              "negate": false,
              "operator": "OR"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/rockchip: analogix_dp: Fix OF node reference leak via auto cleanup\n\nSashiko reported a reference leak in rockchip_dp_drm_encoder_enable(),\nthe of_get_child_by_name() function does not call of_node_put() in a\nsymmetrical way [1].\n\nFix the device node reference leak by using __free(device_node) to\nautomatically manage of_node_put() for all device nodes."
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-10-19T09:07:05.743Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/396a193867c6e8ee810287d6f79624144b5629e9"
        },
        {
          "url": "https://git.kernel.org/stable/c/887315e5d2eb87c3d6d0da9f7610bc5b3113ae30"
        },
        {
          "url": "https://git.kernel.org/stable/c/87e060521371257ddbb77964b66e60d80afcc7b2"
        }
      ],
      "title": "drm/rockchip: analogix_dp: Fix OF node reference leak via auto cleanup",
      "x_generator": {
        "engine": "bippy-1.2.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2026-93193",
    "datePublished": "2026-09-17T16:12:17.117Z",
    "dateReserved": "2026-09-17T16:02:15.092Z",
    "dateUpdated": "2026-10-19T09:07:05.743Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}


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