{
  "affected": [
    {
      "ranges": [
        {
          "events": [
            {
              "introduced": "b9e3f7dc9ed95daeb83cfa45b821cacaa01aa906"
            },
            {
              "fixed": "2008f9bb1ede9b688624a241228b8e54fc74f0f6"
            },
            {
              "fixed": "d0d2c5ccd1de28368cebeef74d9c530a60eff9a5"
            },
            {
              "fixed": "c3fc9976f686f9a95baf87db9d387f218fd65394"
            }
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "type": "GIT"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Linux",
        "name": "Kernel"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "6.14.0"
            },
            {
              "fixed": "6.18.35"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.19.0"
            },
            {
              "fixed": "7.0.12"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "Linux",
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/63xxx/CVE-2026-63986.json"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nethtool: tsinfo: don't pass ERR_PTR to genlmsg_cancel on prepare failure\n\nThe goto err label leads to:\n\n\tgenlmsg_cancel(skb, ehdr);\n\treturn ret;\n\nIf ethnl_tsinfo_prepare_dump() failed, it has not started a genlmsg.\nThere's nothing to cancel, and passing an error pointer to\ngenlmsg_cancel() would cause a crash.",
  "id": "CVE-2026-63986",
  "modified": "2026-07-21T03:41:48.339639514Z",
  "published": "2026-07-19T14:56:08.203Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/2008f9bb1ede9b688624a241228b8e54fc74f0f6"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/c3fc9976f686f9a95baf87db9d387f218fd65394"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/d0d2c5ccd1de28368cebeef74d9c530a60eff9a5"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/63xxx/CVE-2026-63986.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-63986"
    },
    {
      "type": "PACKAGE",
      "url": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"
    }
  ],
  "schema_version": "1.8.0",
  "summary": "ethtool: tsinfo: don't pass ERR_PTR to genlmsg_cancel on prepare failure"
}