{
  "affected": [
    {
      "ranges": [
        {
          "events": [
            {
              "introduced": "c64fb01627e24725d1f9d535e4426475a4415753"
            },
            {
              "fixed": "4bcd1615a4e2a185ae9edd27b4143d7dfa7134f4"
            },
            {
              "fixed": "b1e0c8d3ab58a0161db487bf5fc47adfcaf5d5ca"
            },
            {
              "fixed": "e3842779547c83150569071d9980517cc9029fc0"
            },
            {
              "fixed": "673d2a3eef6e0ee9736501a150c9e4024a4e60a6"
            },
            {
              "fixed": "82843afc19012a29ba863961ef494165aa1a88f4"
            },
            {
              "fixed": "a8c26800e0220e1550af012f5a20e50f5c78864d"
            },
            {
              "fixed": "80ce4cb026f0a4c4532b6cad827b44debda6256a"
            },
            {
              "fixed": "ea245d78dec594372e27d8c79616baf49e98a4a1"
            }
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "type": "GIT"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Linux",
        "name": "Kernel"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "2.6.31"
            },
            {
              "fixed": "5.10.253"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "5.11.0"
            },
            {
              "fixed": "5.15.203"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "5.16.0"
            },
            {
              "fixed": "6.1.169"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.2.0"
            },
            {
              "fixed": "6.6.135"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.7.0"
            },
            {
              "fixed": "6.12.82"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.13.0"
            },
            {
              "fixed": "6.18.23"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.19.0"
            },
            {
              "fixed": "6.19.13"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "Linux",
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/31xxx/CVE-2026-31670.json"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet: rfkill: prevent unlimited numbers of rfkill events from being created\n\nUserspace can create an unlimited number of rfkill events if the system\nis so configured, while not consuming them from the rfkill file\ndescriptor, causing a potential out of memory situation.  Prevent this\nfrom bounding the number of pending rfkill events at a \"large\" number\n(i.e. 1000) to prevent abuses like this.",
  "id": "CVE-2026-31670",
  "modified": "2026-07-08T05:38:34.782814934Z",
  "published": "2026-04-24T14:45:17.958Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/4bcd1615a4e2a185ae9edd27b4143d7dfa7134f4"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/673d2a3eef6e0ee9736501a150c9e4024a4e60a6"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/80ce4cb026f0a4c4532b6cad827b44debda6256a"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/82843afc19012a29ba863961ef494165aa1a88f4"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/a8c26800e0220e1550af012f5a20e50f5c78864d"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/b1e0c8d3ab58a0161db487bf5fc47adfcaf5d5ca"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/e3842779547c83150569071d9980517cc9029fc0"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/ea245d78dec594372e27d8c79616baf49e98a4a1"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/31xxx/CVE-2026-31670.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-31670"
    },
    {
      "type": "PACKAGE",
      "url": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"
    }
  ],
  "schema_version": "1.7.5",
  "summary": "net: rfkill: prevent unlimited numbers of rfkill events from being created"
}