{
  "cveId": "CVE-2026-97966",
  "url": "https://patchblox.com/security/cve/CVE-2026-97966",
  "summary": "CVE-2026-97966 is fixed in 2 products on 1 platform, first by DEBIAN-CVE-2026-97966, released September 29, 2026. It is not reported as exploited. Patch Radar priority: Routine.",
  "title": "octeontx2-pf: reset HTB scheduler topology before freeing queues",
  "description": "In the Linux kernel, the following vulnerability has been resolved:  octeontx2-pf: reset HTB scheduler topology before freeing queues  HTB offload programs NIX_AF_TLxX_TOPOLOGY on QoS-allocated scheduler queues via otx2_qos_txschq_set_parent_topology(), but teardown freed those queues without clearing TOPOLOGY.  The AF only restores PARENT and SCHEDULE on free, so PRIO_ANCHOR/RR_PRIO settings can survive in the shared scheduler pool and affect later allocations.  Add otx2_qos_reset_schq_topology() and otx2_qos_free_hw_schq() to zero TL4 through TL2 TOPOLOGY before each schq is returned to the AF during hierarchy teardown and cfg rollback.  Skip the aggregation level (TL1): it is a per-tx-link queue shared by the PF, default Tx hierarchy and VFs, and is not freed back to the AF by nix_txschq_free_one().",
  "published": "2026-09-25T11:17:24Z",
  "severity": "Low",
  "cvss": 3,
  "epss": 0.002,
  "epssPercentile": 0.09884,
  "priority": "Routine",
  "priorityTier": 4,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "vendorAdvisory": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-97966",
  "fixes": [
    {
      "platform": "linux",
      "product": "linux",
      "release": "Debian 13.5 (trixie)",
      "fixedVersion": "6.12.111-1",
      "fix": "DEBIAN-CVE-2026-97966",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2026-97966",
      "released": "2026-09-29T20:26:41Z"
    },
    {
      "platform": "linux",
      "product": "linux",
      "release": "Debian 14",
      "fixedVersion": "7.2.7-1",
      "fix": "DEBIAN-CVE-2026-97966",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2026-97966",
      "released": "2026-09-29T20:26:41Z"
    },
    {
      "platform": "linux",
      "product": "linux-6.12",
      "release": "Debian 12.15 (bookworm)",
      "fixedVersion": "6.12.111-1~deb12u1",
      "fix": "DEBIAN-CVE-2026-97966",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2026-97966",
      "released": "2026-09-29T20:26:41Z"
    }
  ],
  "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"
  }
}