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CVE-2026-23146

🗓️ 14 Feb 2026 16:01:16Reported by LinuxType 
cve
 cve🔗 web.nvd.nist.gov👁 6 Views

Bluetooth hci_uart fixes a race that could cause a NULL pointer dereference by delaying the init flag until after proto open.

Related
Detection
Affected
Refs
ReporterTitlePublishedViews
Family
ATTACKERKB		CVE-2026-23146
14 Feb 202616:01
–attackerkb
Circl		CVE-2026-23146
19 Mar 202600:00
–circl
CNNVD		Linux kernel 安全漏洞
14 Feb 202600:00
–cnnvd
Cvelist		CVE-2026-23146 Bluetooth: hci_uart: fix null-ptr-deref in hci_uart_write_work
14 Feb 202616:01
–cvelist
Debian CVE		CVE-2026-23146
14 Feb 202616:01
–debiancve
Oracle linux		Unbreakable Enterprise kernel security update
10 Mar 202600:00
–oraclelinux
Oracle linux		Unbreakable Enterprise kernel security update
15 Apr 202600:00
–oraclelinux
EUVD		EUVD-2026-5891
14 Feb 202616:01
–euvd
Mageia		Updated kernel, kmod-virtualbox & kmod-xtables-addons packages fix security vulnerabilities
15 Apr 202616:42
–mageia
Mageia		Updated kernel-linus packages fix security vulnerabilities
15 Apr 202616:42
–mageia
Rows per page
NVD
Vulners
CNA
Node
linuxlinux_kernelRange5.4.293–5.5
OR
linuxlinux_kernelRange5.10.237–5.10.249
OR
linuxlinux_kernelRange5.15.181–5.15.199
OR
linuxlinux_kernelRange6.1.135–6.1.162
OR
linuxlinux_kernelRange6.6.88–6.6.123
OR
linuxlinux_kernelRange6.12.24–6.12.69
OR
linuxlinux_kernelRange6.13.12–6.14
OR
linuxlinux_kernelRange6.14.3–6.18.9
OR
linuxlinux_kernelMatch6.19rc1
OR
linuxlinux_kernelMatch6.19rc2
OR
linuxlinux_kernelMatch6.19rc3
OR
linuxlinux_kernelMatch6.19rc4
OR
linuxlinux_kernelMatch6.19rc5
OR
linuxlinux_kernelMatch6.19rc6
OR
linuxlinux_kernelMatch6.19rc7
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "drivers/bluetooth/hci_ldisc.c"
    ],
    "versions": [
      {
        "version": "a40f94f7caa8d3421b64f63ac31bc0f24c890f39",
        "lessThan": "b0a900939e7e4866d9b90e9112514b72c451e873",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "9e5a0f5777162e503400c70c6ed25fbbe2d38799",
        "lessThan": "ccc683f597ceb28deb966427ae948e5ac739a909",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "80f14e9de6a43a0bd8194cad1003a3e6dcbc3984",
        "lessThan": "937a573423ce5a96fdb1fd425dc6b8d8d4ab5779",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "02e1bcdfdf769974e7e9fa285e295cd9852e2a38",
        "lessThan": "186d147cf7689ba1f9b3ddb753ab634a84940cc9",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "281782d2c6730241e300d630bb9f200d831ede71",
        "lessThan": "53e54cb31e667fca05b1808b990eac0807d1dab0",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "5df5dafc171b90d0b8d51547a82657cd5a1986c7",
        "lessThan": "03e8c90c62233382042b7bd0fa8b8900552fdb62",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "5df5dafc171b90d0b8d51547a82657cd5a1986c7",
        "lessThan": "0c3cd7a0b862c37acbee6d9502107146cc944398",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "1dcf08fcff5ca529de6dc0395091f28854f4e54a",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "8e5aff600539e5faea294d9612cca50220e602b8",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "db7509fa110dd9b11134b75894677f30353b2c51",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "5.10.237",
        "lessThan": "5.10.249",
        "status": "affected",
        "versionType": "semver"
      },
      {
        "version": "5.15.181",
        "lessThan": "5.15.199",
        "status": "affected",
        "versionType": "semver"
      },
      {
        "version": "6.1.135",
        "lessThan": "6.1.162",
        "status": "affected",
        "versionType": "semver"
      },
      {
        "version": "6.6.88",
        "lessThan": "6.6.123",
        "status": "affected",
        "versionType": "semver"
      },
      {
        "version": "6.12.24",
        "lessThan": "6.12.69",
        "status": "affected",
        "versionType": "semver"
      },
      {
        "version": "5.4.293",
        "lessThan": "5.5",
        "status": "affected",
        "versionType": "semver"
      },
      {
        "version": "6.13.12",
        "lessThan": "6.14",
        "status": "affected",
        "versionType": "semver"
      },
      {
        "version": "6.14.3",
        "lessThan": "6.15",
        "status": "affected",
        "versionType": "semver"
      }
    ]
  },
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "affected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "drivers/bluetooth/hci_ldisc.c"
    ],
    "versions": [
      {
        "version": "6.15",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "6.15",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.10.249",
        "lessThanOrEqual": "5.10.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.15.199",
        "lessThanOrEqual": "5.15.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.1.162",
        "lessThanOrEqual": "6.1.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.6.123",
        "lessThanOrEqual": "6.6.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.12.69",
        "lessThanOrEqual": "6.12.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.18.9",
        "lessThanOrEqual": "6.18.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.19",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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23 May 2026 16:03Current
5.2Medium risk
Vulners AI Score5.2
CVSS 3.15.5
EPSS0.00018
CWE-476
bluetoothhci_uartnull pointerrace conditiondevice open
6