{
  "cveId": "CVE-2023-52480",
  "url": "https://patchblox.com/security/cve/CVE-2023-52480",
  "summary": "CVE-2023-52480 is fixed in linux on 1 platform, first by DEBIAN-CVE-2023-52480, released February 29, 2024. It is not reported as exploited. Patch Radar priority: High.",
  "title": "linux: In the Linux kernel, the following vulnerability has been resolved:  ksmbd: fix race condition between session lookup...",
  "description": "In the Linux kernel, the following vulnerability has been resolved:  ksmbd: fix race condition between session lookup and expire   Thread A                        \u002B  Thread B  ksmbd_session_lookup            |  smb2_sess_setup    sess = xa_load                |                                  |                                  |    xa_erase(\u0026conn-\u003Esessions, sess-\u003Eid);                                  |                                  |    ksmbd_session_destroy(sess) --\u003E kfree(sess)                                  |    // UAF!                       |    sess-\u003Elast_active = jiffies   |                                  \u002B  This patch add rwsem to fix race condition between ksmbd_session_lookup and ksmbd_expire_session.",
  "published": "2024-02-29T06:15:46Z",
  "severity": "high",
  "cvss": 7,
  "cvssVector": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H",
  "epss": 0.0049,
  "epssPercentile": 0.42394,
  "priority": "High",
  "priorityTier": 3,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "fixes": [
    {
      "platform": "linux",
      "product": "linux",
      "release": "Debian 12.15 (bookworm)",
      "fixedVersion": "6.1.64-1",
      "fix": "DEBIAN-CVE-2023-52480",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2023-52480",
      "released": "2024-02-29T06:15:46Z"
    },
    {
      "platform": "linux",
      "product": "linux",
      "release": "Debian 13.5 (trixie)",
      "fixedVersion": "6.5.8-1",
      "fix": "DEBIAN-CVE-2023-52480",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2023-52480",
      "released": "2024-02-29T06:15:46Z"
    },
    {
      "platform": "linux",
      "product": "linux",
      "release": "Debian 14",
      "fixedVersion": "6.5.8-1",
      "fix": "DEBIAN-CVE-2023-52480",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2023-52480",
      "released": "2024-02-29T06:15:46Z"
    }
  ],
  "noFixYet": [],
  "dataAsOf": "2026-11-09T01:18:40Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}