{
  "affected": [
    {
      "ranges": [
        {
          "events": [
            {
              "introduced": "04a8682a71becdb639ec9c0d82b315a2baef7a5d"
            },
            {
              "fixed": "db667d2970c756cc7b483f45f272440f845a665b"
            },
            {
              "fixed": "1f0c3c0c36c7aedf55a60d9c71c4bd258b8937ce"
            },
            {
              "fixed": "06aba58e58492d2b8eae059274caed29025ea96e"
            }
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "type": "GIT"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Linux",
        "name": "Kernel"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "5.6.0"
            },
            {
              "fixed": "6.18.52"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.19.0"
            },
            {
              "fixed": "7.2.6"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "Linux",
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/93xxx/CVE-2026-93146.json"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\ntime/namespace: Validate nanosecond field in proc_timens_set_offset()\n\nThe function validates tv_sec to be within [-KTIME_SEC_MAX, KTIME_SEC_MAX]\nbut never validates that tv_nsec is within the valid range of\n[0, NSEC_PER_SEC-1] before using it in timespec64_add().\n\ntimespec64_add() expects both timespec64 structures to have normalized\nvalues with tv_nsec in the range [0, 999999999]. If off-\u003eval.tv_nsec\ncontains invalid values (negative or \u003e= NSEC_PER_SEC), it could lead to\nincorrect calculations or unexpected behavior.\n\nAdd validation to ensure tv_nsec is within the valid range before\nperforming the addition.",
  "id": "CVE-2026-93146",
  "modified": "2026-09-19T03:30:15.349516011Z",
  "published": "2026-09-17T16:11:44.117Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/06aba58e58492d2b8eae059274caed29025ea96e"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/1f0c3c0c36c7aedf55a60d9c71c4bd258b8937ce"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/db667d2970c756cc7b483f45f272440f845a665b"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/93xxx/CVE-2026-93146.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-93146"
    },
    {
      "type": "PACKAGE",
      "url": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"
    }
  ],
  "schema_version": "1.9.0",
  "summary": "time/namespace: Validate nanosecond field in proc_timens_set_offset()"
}