{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "drivers/auxdisplay/line-display.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThan": "625fdac41cfc4ca9e1774a0d31d7985aec2c1d66",
              "status": "affected",
              "version": "66c93809487e62c4f59ef08625a3fbc0a7de6dd2",
              "versionType": "git"
            },
            {
              "lessThan": "7f138de156b20d9f9da6f72f90b63c01941d97d3",
              "status": "affected",
              "version": "66c93809487e62c4f59ef08625a3fbc0a7de6dd2",
              "versionType": "git"
            }
          ]
        },
        {
          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
            "drivers/auxdisplay/line-display.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "6.19"
            },
            {
              "lessThan": "6.19",
              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.19.*",
              "status": "unaffected",
              "version": "6.19.12",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "7.0",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "cpeApplicability": [
        {
          "nodes": [
            {
              "cpeMatch": [
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.19.12",
                  "versionStartIncluding": "6.19",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "7.0",
                  "versionStartIncluding": "6.19",
                  "vulnerable": true
                }
              ],
              "negate": false,
              "operator": "OR"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nauxdisplay: line-display: fix NULL dereference in linedisp_release\n\nlinedisp_release() currently retrieves the enclosing struct linedisp via\nto_linedisp(). That lookup depends on the attachment list, but the\nattachment may already have been removed before put_device() invokes the\nrelease callback. This can happen in linedisp_unregister(), and can also\nbe reached from some linedisp_register() error paths.\n\nIn that case, to_linedisp() returns NULL and linedisp_release()\ndereferences it while freeing the display resources.\n\nThe struct device released here is the embedded linedisp-\u003edev used by\nlinedisp_register(), so retrieve the enclosing object directly with\ncontainer_of() instead."
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-05-01T14:14:44.953Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/625fdac41cfc4ca9e1774a0d31d7985aec2c1d66"
        },
        {
          "url": "https://git.kernel.org/stable/c/7f138de156b20d9f9da6f72f90b63c01941d97d3"
        }
      ],
      "title": "auxdisplay: line-display: fix NULL dereference in linedisp_release",
      "x_generator": {
        "engine": "bippy-1.2.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2026-31753",
    "datePublished": "2026-05-01T14:14:44.953Z",
    "dateReserved": "2026-03-09T15:48:24.139Z",
    "dateUpdated": "2026-05-01T14:14:44.953Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2",
  "vulnerability-lookup:meta": {
    "epss": {
      "cve": "CVE-2026-31753",
      "date": "2026-05-05",
      "epss": "0.00018",
      "percentile": "0.04977"
    },
    "nvd": "{\"cve\":{\"id\":\"CVE-2026-31753\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2026-05-01T15:16:38.223\",\"lastModified\":\"2026-05-01T15:24:14.893\",\"vulnStatus\":\"Awaiting Analysis\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"In the Linux kernel, the following vulnerability has been resolved:\\n\\nauxdisplay: line-display: fix NULL dereference in linedisp_release\\n\\nlinedisp_release() currently retrieves the enclosing struct linedisp via\\nto_linedisp(). That lookup depends on the attachment list, but the\\nattachment may already have been removed before put_device() invokes the\\nrelease callback. This can happen in linedisp_unregister(), and can also\\nbe reached from some linedisp_register() error paths.\\n\\nIn that case, to_linedisp() returns NULL and linedisp_release()\\ndereferences it while freeing the display resources.\\n\\nThe struct device released here is the embedded linedisp-\u003edev used by\\nlinedisp_register(), so retrieve the enclosing object directly with\\ncontainer_of() instead.\"}],\"metrics\":{},\"references\":[{\"url\":\"https://git.kernel.org/stable/c/625fdac41cfc4ca9e1774a0d31d7985aec2c1d66\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/7f138de156b20d9f9da6f72f90b63c01941d97d3\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"}]}}"
  }
}