CVE-2026-98428 affecting package kernel 6.6.157.1-1

{
  "id": "b83c6f5e245cfec80106cbcdd43bc08019f78c918d59a65f099ab8848f7014d8",
  "url": "https://osv.dev/vulnerability/AZL-108123",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2026-98428 affecting package kernel 6.6.157.1-1",
    "summary": "In the Linux kernel, the following vulnerability has been resolved: ALSA: usb: 6fire: Avoid embedded URBs The USB 6fire driver uses URBs embedded in different structs for PCM, MIDI and communication, and this is basically a buggy implementation nowadays; since a URB is managed with a refcount, this may lead to a UAF when the URB is released asynchronously. For addressing the problem, this patch converts those embedded URBs to ones that are properly allocated via usb_alloc_urb(). The pcm_urb.packets[] is gone, as it's allocated by usb_alloc_urb(), hence it's found in urb.iso_frame_desc[] instead. The conversions are rather straightforward; each embedded struct urb is changed to a pointer, and its callers are updated accordingly. The resource for those structs are released in the common destructor functions (usb6fire_comm_free(), etc), which are called at both the init error path and the disconnect. No functional changes, only compile-tested.",
    "evidence": "osv:AZL-108123",
    "products": [
      {
        "name": {
          "value": "kernel",
          "evidence": "/affected/0/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [],
        "affected_versions": []
      }
    ],
    "severity": "unknown",
    "structured": {
      "id": "AZL-108123",
      "aliases": [
        "AZL-108123"
      ],
      "affected": [
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "last_affected": "6.6.157.1-1"
                }
              ]
            }
          ],
          "package": {
            "name": "kernel",
            "purl": "pkg:rpm/azure-linux/kernel",
            "ecosystem": "Azure Linux:3"
          },
          "database_specific": {
            "source": "https://github.com/microsoft/AzureLinuxVulnerabilityData/blob/main/osv/AZL-108123.json"
          }
        }
      ],
      "modified": "2026-10-15T14:17:16.452002556Z",
      "provider": "osv",
      "upstream": [
        "CVE-2026-98428"
      ],
      "references": [
        "https://nvd.nist.gov/vuln/detail/CVE-2026-98428"
      ]
    },
    "related_cves": [
      {
        "value": "CVE-2026-98428",
        "evidence": "/upstream"
      }
    ],
    "security_relevant": true,
    "severity_evidence": null
  },
  "source_id": "core-osv",
  "document_id": 332586,
  "published_at": "2026-10-14T14:17:54+00:00"
}