{
  "affected": [
    {
      "ranges": [
        {
          "events": [
            {
              "introduced": "e93a5e9306a576011f03011b492d4fbaa274477b"
            },
            {
              "fixed": "ff7244faa13b23e9acfad9df0438f0b44b338f62"
            },
            {
              "fixed": "d148a652d52fd6aee96daf798922eb800ebb3018"
            },
            {
              "fixed": "d179ff22cd8514f966966fd9ad425dcbb98e1ada"
            },
            {
              "fixed": "468e458ffde907ba19acd2102ca1fbb8f6fbede2"
            }
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "type": "GIT"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Linux",
        "name": "Kernel"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "5.14.0"
            },
            {
              "fixed": "6.12.110"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.13.0"
            },
            {
              "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/2026/90xxx/CVE-2026-90148.json"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nNFSv4: Fix incorrect argument passed to nfs4_delete_lease() in nfs4_add_lease()\n\nWhen nfs4_add_lease() races with a delegation return, it calls\nnfs4_delete_lease() to clean up. Previously, it passed priv,\nwhich can legitimately be NULL. Passing a NULL priv eventually\nleads to a NULL pointer dereference in generic_setlease().",
  "id": "CVE-2026-90148",
  "modified": "2026-09-18T03:30:27.918902786Z",
  "published": "2026-09-17T16:06:42.992Z",
  "references": [
    {
      "type": "PACKAGE",
      "url": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/468e458ffde907ba19acd2102ca1fbb8f6fbede2"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/d148a652d52fd6aee96daf798922eb800ebb3018"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/d179ff22cd8514f966966fd9ad425dcbb98e1ada"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/ff7244faa13b23e9acfad9df0438f0b44b338f62"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/90xxx/CVE-2026-90148.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-90148"
    }
  ],
  "schema_version": "1.9.0",
  "summary": "NFSv4: Fix incorrect argument passed to nfs4_delete_lease() in nfs4_add_lease()"
}