{
  "affected": [
    {
      "ecosystem_specific": {
        "urgency": "not yet assigned"
      },
      "package": {
        "ecosystem": "Debian:12",
        "name": "linux"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "ecosystem_specific": {
        "urgency": "not yet assigned"
      },
      "package": {
        "ecosystem": "Debian:13",
        "name": "linux"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "ecosystem_specific": {
        "urgency": "not yet assigned"
      },
      "package": {
        "ecosystem": "Debian:14",
        "name": "linux"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "7.2.8-1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "details": "In the Linux kernel, the following vulnerability has been resolved:  smb: client: cancel reconnect work in clean_demultiplex_info()  clean_demultiplex_info() cancels server-\u003eecho delayed work but not server-\u003ereconnect, which can cause a use-after-free when the demultiplex thread exits while a reconnect work is still queued:    cifs_demultiplex_thread()     cifs_readv_from_socket()       cifs_reconnect()         __cifs_reconnect()           cifs_queue_server_reconn()             mod_delayed_work(cifsiod_wq, \u0026server-\u003ereconnect, 0)     clean_demultiplex_info()       cancel_delayed_work_sync(\u0026server-\u003eecho)   // echo canceled                                                  // reconnect NOT canceled       kfree_sensitive(server)                    // server freed    ...later, on cifsiod_wq:    smb2_reconnect_server()     server-\u003esrv_count  // UAF read of freed server  Fix this by canceling server-\u003ereconnect delayed work in clean_demultiplex_info() before the server is freed, the same way cifs_put_tcp_session() already does.",
  "id": "DEBIAN-CVE-2026-98175",
  "modified": "2026-10-08T09:47:27.669588169Z",
  "published": "2026-10-06T09:17:59.477Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://security-tracker.debian.org/tracker/CVE-2026-98175"
    }
  ],
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ],
  "upstream": [
    "CVE-2026-98175"
  ]
}