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EUVD-2026-55935

🗓️ 11 Aug 2026 04:42:39Reported by EUVDType 
euvd
 euvd
🔗 euvd.enisa.europa.eu👁 3 Views

Zephyr Bluetooth HCI driver bt_bflb_send() double-unrefs buffer on error, causing use-after-free and DoS.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
attackerkb
ATTACKERKB
CVE-2026-11893
11 Aug 202604:42
attackerkb
cve
CVE
CVE-2026-11893
11 Aug 202604:42
cve
cvelist
Cvelist
CVE-2026-11893 Double free / use-after-free in Bouffalo Lab HCI driver send() error paths (hci_bflb)
11 Aug 202604:42
cvelist
nvd
NVD
CVE-2026-11893
11 Aug 202605:17
nvd
[
  {
    "enisaIdVendor": [
      {
        "id": "3522decd-894d-3fee-8ac6-89c735734fff",
        "vendor": {
          "name": "zephyrproject"
        }
      }
    ],
    "enisaIdProduct": [
      {
        "id": "764ec7e7-ec99-38f4-9701-aa8f43896d4d",
        "product": {
          "name": "Zephyr",
          "vendor": {
            "name": "zephyrproject-rtos"
          }
        },
        "product_version": "4.4.0 <4.4.2"
      }
    ]
  }
]

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11 Aug 2026 04:42Current
5.8Medium risk
Vulners AI Score5.8
CVSS 3.15.9
3