{
  "cveId": "CVE-2026-64325",
  "url": "https://patchblox.com/security/cve/CVE-2026-64325",
  "summary": "CVE-2026-64325 is fixed in linux on 1 platform by DEBIAN-CVE-2026-64325 (version 7.1.4-1), released August 7, 2026. It is not reported as exploited. Patch Radar priority: Routine.",
  "title": "linux: In the Linux kernel, the following vulnerability has been resolved:  wifi: mt76: mt7921/mt7925: fix NULL dereference...",
  "description": "In the Linux kernel, the following vulnerability has been resolved:  wifi: mt76: mt7921/mt7925: fix NULL dereference in CSA beacon  This patch is based on a BUG as reported by Bongani Hlope at https://lore.kernel.org/all/20260502125824.425d7159@bongani-mini.home.org.za/  When a channel-switch announcement (CSA) beacon is received, cfg80211 queues a wiphy work item that eventually calls mt7921_channel_switch_rx_beacon(). If the station disconnects (or the channel context is otherwise torn down) between the time the work is queued and the time it runs, the driver\u0027s dev-\u003Enew_ctx pointer can already have been cleared to NULL. mt7921_channel_switch_rx_beacon() then dereferences new_ctx unconditionally, triggering a NULL pointer dereference at address 0x0:    BUG: kernel NULL pointer dereference, address: 0000000000000000   RIP: 0010:mt7921_channel_switch_rx_beacon\u002B0x1f/0x100 [mt7921_common]  The same missing guard exists in mt7925_channel_switch_rx_beacon(), which shares the same code pattern introduced by the same commit.  Add an early-return NULL check for dev-\u003Enew_ctx in both mt7921_channel_switch_rx_beacon() and mt7925_channel_switch_rx_beacon(). When new_ctx is NULL there is no pending channel switch to process, so returning immediately is the correct and safe action.  Oops-Analysis: http://oops.fenrus.org/reports/lkml/20260502125824.425d7159@bongani-mini.home.org.za/report.html",
  "published": "2026-07-25T10:17:14Z",
  "severity": "medium",
  "cvss": 5.5,
  "cvssVector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
  "epss": 0.0016,
  "epssPercentile": 0.05215,
  "priority": "Routine",
  "priorityTier": 4,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "fixes": [
    {
      "platform": "linux",
      "product": "linux",
      "release": "Debian 14",
      "fixedVersion": "7.1.4-1",
      "fix": "DEBIAN-CVE-2026-64325",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2026-64325",
      "released": "2026-08-07T15:22:10Z"
    }
  ],
  "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"
  }
}