{
  "cveId": "CVE-2026-80943",
  "url": "https://patchblox.com/security/cve/CVE-2026-80943",
  "summary": "CVE-2026-80943 is fixed in 2 products on 1 platform, first by DEBIAN-CVE-2026-80943, released September 23, 2026. It is not reported as exploited. Patch Radar priority: High.",
  "title": "linux: In the Linux kernel, the following vulnerability has been resolved:  wifi: rtlwifi: rtl8192du: check QoS TID before i...",
  "description": "In the Linux kernel, the following vulnerability has been resolved:  wifi: rtlwifi: rtl8192du: check QoS TID before indexing tids  rtl92du_tx_fill_desc() uses ieee80211_get_tid() to read the QoS TID from the 802.11 header and then uses it as an index into sta_entry-\u003Etids[]. ieee80211_get_tid() returns the low 4-bit QoS TID value, so the result can be in the range 0..15.  rtlwifi only allocates MAX_TID_COUNT entries for sta_entry-\u003Etids[], and MAX_TID_COUNT is 9. A QoS TID greater than 8 therefore indexes past the aggregation state array. Keep the default RTL_AGG_STOP state for out-of-range TIDs, matching rtl92cu_tx_fill_desc().  This issue was detected by our static analysis tool and confirmed by manual audit. UBSAN validation for the same bug pattern reports an array-index-out-of-bounds access with index 10 for type \u0027rtl_tid_data [9]\u0027.",
  "published": "2026-09-11T20:18:59Z",
  "severity": "high",
  "cvss": 7.6,
  "cvssVector": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H",
  "epss": 0.00244,
  "epssPercentile": 0.15659,
  "priority": "High",
  "priorityTier": 3,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "fixes": [
    {
      "platform": "linux",
      "product": "linux",
      "release": "Debian 13.5 (trixie)",
      "fixedVersion": "6.12.111-1",
      "fix": "DEBIAN-CVE-2026-80943",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2026-80943",
      "released": "2026-09-23T19:19:02Z"
    },
    {
      "platform": "linux",
      "product": "linux",
      "release": "Debian 14",
      "fixedVersion": "7.2.6-1",
      "fix": "DEBIAN-CVE-2026-80943",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2026-80943",
      "released": "2026-09-23T19:19:02Z"
    },
    {
      "platform": "linux",
      "product": "linux-6.12",
      "release": "Debian 12.15 (bookworm)",
      "fixedVersion": "6.12.111-1~deb12u1",
      "fix": "DEBIAN-CVE-2026-80943",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2026-80943",
      "released": "2026-09-23T19:19:02Z"
    }
  ],
  "noFixYet": [],
  "dataAsOf": "2026-11-08T00:53:09Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}