{
  "cveId": "CVE-2026-63832",
  "url": "https://patchblox.com/security/cve/CVE-2026-63832",
  "summary": "CVE-2026-63832 is fixed in linux on 1 platform, first by DEBIAN-CVE-2026-63832, released July 20, 2026. It is not reported as exploited. Patch Radar priority: High.",
  "title": "wifi: mt76: add wcid publish check in mt76_sta_add",
  "description": "In the Linux kernel, the following vulnerability has been resolved:  wifi: mt76: add wcid publish check in mt76_sta_add  Since mt7925_mac_sta_add publishes wcid, add publish check in mt76_sta_add to avoid reinitializing the wcid-\u003Epoll_list.  Found dev-\u003Esta_poll_list corruption when using mt7925 and 7.1-rc4. According to the corruption information, prev-\u003Enext was changed to itself.  wlan0: disconnect from AP 90:fb:5d:94:8b:e3 for new auth to 90:fb:5d:94:8b:e2 wlan0: authenticate with 90:fb:5d:94:8b:e2 (local address=84:9e:56:9c:7e:6b) wlan0: send auth to 90:fb:5d:94:8b:e2 (try 1/3)  slab kmalloc-8k start ffff8c80958a6000 pointer offset 4160 size 8192 list_add corruption. prev-\u003Enext should be next (ffff8c808a7488f8), but was ffff8c80958a7040. (prev=ffff8c80958a7040).   mt76_wcid_add_poll\u002B0x95/0xd0 [mt76]  mt7925_mac_add_txs.part.0\u002B0xa5/0xe0 [mt7925_common]  mt7925_rx_check\u002B0xa7/0xc0 [mt7925_common]  mt76_dma_rx_poll\u002B0x50d/0x790 [mt76]  mt792x_poll_rx\u002B0x52/0xe0 [mt792x_lib]",
  "published": "2026-07-19T12:16:56Z",
  "severity": "Important",
  "cvss": 8.8,
  "cvssVector": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
  "epss": 0.00232,
  "epssPercentile": 0.14158,
  "priority": "High",
  "priorityTier": 3,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "vendorAdvisory": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-63832",
  "fixes": [
    {
      "platform": "linux",
      "product": "linux",
      "release": "Debian 13.5 (trixie)",
      "fixedVersion": "6.12.115-2",
      "fix": "DEBIAN-CVE-2026-63832",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2026-63832",
      "released": "2026-07-20T12:58:36Z"
    },
    {
      "platform": "linux",
      "product": "linux",
      "release": "Debian 14",
      "fixedVersion": "7.1.3-1",
      "fix": "DEBIAN-CVE-2026-63832",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2026-63832",
      "released": "2026-07-20T12:58:36Z"
    }
  ],
  "noFixYet": [],
  "dataAsOf": "2026-11-10T01:44:33Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}