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CVE-2023-53374

🗓️ 18 Sep 2025 13:33:20Reported by LinuxType 
cve
 cve
🔗 web.nvd.nist.gov👁 114 Views

Linux kernel Bluetooth SCO/ISO cleanup use-after-free fixed when access control list is deleted early; uses hci_connection_failed.

Related
Detection
Affected
Refs
ReporterTitlePublishedViews
Family
astralinux
AstraLinux
Astra Linux – Vulnerability in Linux 5.10
20 May 202605:53
–astralinux
bdu_fstec
BDU FSTEC
Linux kernel Bluetooth hci_conn_unlink() Buffer Overflow
18 Mar 202600:00
–bdu_fstec
cnnvd
CNNVD
Linux Kernel Security Vulnerabilities
18 Sep 202500:00
–cnnvd
cvelist
Cvelist
CVE-2023-53374 Bluetooth: hci_conn: fail SCO/ISO via hci_conn_failed if ACL gone early
18 Sep 202513:33
–cvelist
debiancve
Debian CVE
CVE-2023-53374
18 Sep 202513:33
–debiancve
euvd
EUVD
EUVD-2025-29960
3 Oct 202520:07
–euvd
nvd
NVD
CVE-2023-53374
18 Sep 202514:15
–nvd
openvas
OpenVAS
openSUSE Security Advisory (SUSE-SU-2025:03600-1)
17 Oct 202500:00
–openvas
openvas
OpenVAS
openSUSE Security Advisory (SUSE-SU-2025:03634-1)
20 Oct 202500:00
–openvas
openvas
OpenVAS
openSUSE Security Advisory (SUSE-SU-2025:3751-1)
27 Oct 202500:00
–openvas
Rows per page
NVD
Vulners
CNA
Node
OR
linuxlinux_kernelRange6.3.8–6.4
linuxlinux_kernelRange6.4.1–6.4.16
linuxlinux_kernelRange6.5–6.5.3
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "net/bluetooth/hci_conn.c"
    ],
    "versions": [
      {
        "version": "ca1fd42e7dbfcb34890ffbf1f2f4b356776dab6f",
        "lessThan": "397d58007532644b35fad746da48c41161f32a57",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "ca1fd42e7dbfcb34890ffbf1f2f4b356776dab6f",
        "lessThan": "e94b898463a62b72a2a8b75dea8936bf4db78e00",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "ca1fd42e7dbfcb34890ffbf1f2f4b356776dab6f",
        "lessThan": "3344d318337d9dca928fd448e966557ec5063f85",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "75e35bd4b7935ceed2aacd82f55940e73bf0b63b",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "6.3.8",
        "lessThan": "6.4",
        "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_conn.c"
    ],
    "versions": [
      {
        "version": "6.4",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "6.4",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.4.16",
        "lessThanOrEqual": "6.4.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.5.3",
        "lessThanOrEqual": "6.5.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.6",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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05 Aug 2026 09:13Current
6.5Medium risk
Vulners AI Score6.5
CVSS 3.17.8 - 8.8
EPSS0.00216
SSVC
114