CVE-2026-68339

🗓️ 10 Aug 2026 12:03:15Reported by LinuxType

Kernel fix: btusb validates Realtek vendor event length before subevent check to prevent coredump.

Reporter	Title	Published	Views	Family All 3
Cvelist	CVE-2026-68339 Bluetooth: btusb: validate Realtek vendor event length	10 Aug 202612:03	–	cvelist
EUVD	EUVD-2026-55440	10 Aug 202615:33	–	euvd
NVD	CVE-2026-68339	10 Aug 202613:20	–	nvd

Vulners

CNA

Node

linux linux_kernelRange6.6–6.6.148

linux linux_kernelRange6.7.0–6.12.101

linux linux_kernelRange6.13.0–6.18.42

linux linux_kernelRange6.19.0–7.1.6

linux linux_kernelRange7.2.0–7.2-rc5

[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "drivers/bluetooth/btusb.c"
    ],
    "versions": [
      {
        "version": "044014ce85a17c0b7fab8e5df0925792010c29b2",
        "lessThan": "8de58bfa26e028f99271dde5a92107cd07f5e063",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "044014ce85a17c0b7fab8e5df0925792010c29b2",
        "lessThan": "400267bab0f4076088e163e58cad2bb41c3cf5e7",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "044014ce85a17c0b7fab8e5df0925792010c29b2",
        "lessThan": "8881daaafadbe7fb2b7341d16a3949114409c90c",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "044014ce85a17c0b7fab8e5df0925792010c29b2",
        "lessThan": "24b0758193d70da47ef8b979153d2a181dbdf34e",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "044014ce85a17c0b7fab8e5df0925792010c29b2",
        "lessThan": "df541cd485ff80a5ddc579d99687bc7506df9851",
        "status": "affected",
        "versionType": "git"
      }
    ]
  },
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "affected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "drivers/bluetooth/btusb.c"
    ],
    "versions": [
      {
        "version": "6.6",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "6.6",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.6.148",
        "lessThanOrEqual": "6.6.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.12.101",
        "lessThanOrEqual": "6.12.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.18.42",
        "lessThanOrEqual": "6.18.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.1.6",
        "lessThanOrEqual": "7.1.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.2-rc5",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

Source	Link
git	www.git.kernel.org/stable/c/8de58bfa26e028f99271dde5a92107cd07f5e063
git	www.git.kernel.org/stable/c/df541cd485ff80a5ddc579d99687bc7506df9851
git	www.git.kernel.org/stable/c/24b0758193d70da47ef8b979153d2a181dbdf34e
git	www.git.kernel.org/stable/c/400267bab0f4076088e163e58cad2bb41c3cf5e7
git	www.git.kernel.org/stable/c/8881daaafadbe7fb2b7341d16a3949114409c90c

10 Aug 2026 13:20Current

5.3Medium risk

Vulners AI Score5.3