{
  "affected": [
    {
      "ranges": [
        {
          "events": [
            {
              "introduced": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2"
            },
            {
              "fixed": "50be5e96c381ae995b7de3869eecdc84476be7f2"
            },
            {
              "fixed": "f495154703cbcc0050cfd53469bd56965791616b"
            }
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "type": "GIT"
        },
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "7.2.6"
            }
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "type": "GIT"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Linux",
        "name": "Kernel"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "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-2026-90168.json"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nksmbd: retain connection for pending notify work\n\nDeferred CHANGE_NOTIFY work keeps an async message ID after the original\nrequest work is released. A durable handle can outlive its connection, so\nthe connection teardown can destroy its async IDA before the handle close\nreleases the pending notify work.\n\nGive the synthetic deferred work a connection reference. Release it after\nthe async ID in ksmbd_free_work_struct(). This keeps the async IDA alive\nuntil the deferred work is released, even when the original connection has\nalready left the connection list.\n\nDuring server shutdown there is no client to receive a cleanup response.\nSkip the write and only release the pending work.",
  "id": "CVE-2026-90168",
  "modified": "2026-09-18T03:30:49.986743079Z",
  "published": "2026-09-17T16:06:57.158Z",
  "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/50be5e96c381ae995b7de3869eecdc84476be7f2"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/f495154703cbcc0050cfd53469bd56965791616b"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/90xxx/CVE-2026-90168.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-90168"
    }
  ],
  "schema_version": "1.9.0",
  "summary": "ksmbd: retain connection for pending notify work"
}