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CVE-2026-74302

🗓️ 15 Aug 2026 05:58:04Reported by LinuxType 
cve
 cve
🔗 web.nvd.nist.gov👁 79 Views

Linux kernel Bluetooth UAF in hci_unregister_dev() when timers fire after hdev is freed.

Related
Detection
Affected
Refs
ReporterTitlePublishedViews
Family
circl
Circl
CVE-2026-74302
15 Aug 202607:29
–circl
cnnvd
CNNVD
Linux Kernel Security Vulnerabilities
15 Aug 202600:00
–cnnvd
cvelist
Cvelist
CVE-2026-74302 Bluetooth: hci_core: Fix UAF in hci_unregister_dev()
15 Aug 202605:58
–cvelist
debiancve
Debian CVE
CVE-2026-74302
15 Aug 202605:58
–debiancve
oraclelinux
Oracle linux
Unbreakable Enterprise kernel security update
4 Sep 202600:00
–oraclelinux
euvd
EUVD
EUVD-2026-59449
15 Aug 202605:58
–euvd
mscve
Microsoft CVE
Bluetooth: hci_core: Fix UAF in hci_unregister_dev()
23 Aug 202622:01
–mscve
nvd
NVD
CVE-2026-74302
15 Aug 202606:22
–nvd
nessus
Tenable Nessus
Oracle Linux 10 / 9 : Unbreakable Enterprise kernel (ELSA-2026-500248)
4 Sep 202600:00
–nessus
nessus
Tenable Nessus
Photon OS 5.0: Linux PHSA-2026-5.0-91-0960
3 Nov 202600:00
–nessus
Rows per page
Vulners
CNA
Node
OR
OR
linuxlinux_kernelRange6.1.101–6.1.191
linuxlinux_kernelRange6.6.42–6.6.160
linuxlinux_kernelRange4.19.319–4.20
linuxlinux_kernelRange5.4.281–5.5
linuxlinux_kernelRange5.10.223–5.11
linuxlinux_kernelRange5.15.164–5.16
linuxlinux_kernelRange6.9.11–6.10
OR
linuxlinux_kernelRange6.10–6.1.191
linuxlinux_kernelRange6.2.0–6.6.160
linuxlinux_kernelRange6.7.0–6.12.97
linuxlinux_kernelRange6.13.0–6.18.40
linuxlinux_kernelRange6.19.0–7.1.5
linuxlinux_kernelRange7.2.0≥
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "net/bluetooth/hci_core.c"
    ],
    "versions": [
      {
        "version": "96600c2e5ee8213dbab5df1617293d8e847bb4fa",
        "lessThan": "c277f624cd99e4f0e0223fd039b7615feea4afdc",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "d6cbce18370641a21dd889e8613d8153df15eb39",
        "lessThan": "bce2eec05bce548b548aca52c1834540f97d5d60",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "0d151a103775dd9645c78c97f77d6e2a5298d913",
        "lessThan": "48c7ad6afcc58c2cda11fed39791708103b6a644",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "0d151a103775dd9645c78c97f77d6e2a5298d913",
        "lessThan": "a0fd1086a57b982f8c24ae4ab165c2af39fe1735",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "0d151a103775dd9645c78c97f77d6e2a5298d913",
        "lessThan": "672d52d9412252e61b8de8d773ccdf5a277cf540",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "0d151a103775dd9645c78c97f77d6e2a5298d913",
        "lessThan": "5edcc018fa6e80b2c478454a4a8229c23d67c181",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "48542881997e17b49dc16b93fe910e0cfcf7a9f9",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "9cfc84b1d464cc024286f42a090718f9067b80ed",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "ddeda6ca5f218b668b560d90fc31ae469adbfd92",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "d2ce562a5aff1dcd0c50d9808ea825ef90da909f",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "3f939bd73fed12dddc2a32a76116c19ca47c7678",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "6.1.101",
        "lessThan": "6.1.191",
        "status": "affected",
        "versionType": "semver"
      },
      {
        "version": "6.6.42",
        "lessThan": "6.6.160",
        "status": "affected",
        "versionType": "semver"
      },
      {
        "version": "4.19.319",
        "lessThan": "4.20",
        "status": "affected",
        "versionType": "semver"
      },
      {
        "version": "5.4.281",
        "lessThan": "5.5",
        "status": "affected",
        "versionType": "semver"
      },
      {
        "version": "5.10.223",
        "lessThan": "5.11",
        "status": "affected",
        "versionType": "semver"
      },
      {
        "version": "5.15.164",
        "lessThan": "5.16",
        "status": "affected",
        "versionType": "semver"
      },
      {
        "version": "6.9.11",
        "lessThan": "6.10",
        "status": "affected",
        "versionType": "semver"
      }
    ]
  },
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "affected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "net/bluetooth/hci_core.c"
    ],
    "versions": [
      {
        "version": "6.10",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "6.10",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.1.191",
        "lessThanOrEqual": "6.1.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.6.160",
        "lessThanOrEqual": "6.6.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.12.97",
        "lessThanOrEqual": "6.12.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.18.40",
        "lessThanOrEqual": "6.18.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.1.5",
        "lessThanOrEqual": "7.1.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.2",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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30 Oct 2026 13:19Current
6.5Medium risk
Vulners AI Score6.5
CVSS 3.17.8
EPSS0.00126
SSVC
79