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CVE-2026-43019 Bluetooth: hci_conn: fix potential UAF in set_cig_params_sync

🗓️ 01 May 2026 14:15:23Reported by LinuxType 
cvelist
 cvelist
🔗 www.cve.org👁 54 Views

Bluetooth hci_conn fix potential use after free in set cig parameters by taking hdev lock to prevent concurrent deletion

Related
Affected
Refs
ReporterTitlePublishedViews
Family
attackerkb
attackerkb
CVE-2026-43019
1 May 202614:15
–attackerkb
astralinux
AstraLinux
Astra Linux – Vulnerability in Linux 5.10
20 May 202605:53
–astralinux
bdu_fstec
BDU FSTEC
Linux set_cig_params_sync Heap Buffer Overflow DoS
12 May 202600:00
–bdu_fstec
cbl_mariner
CBLMariner
CVE-2026-43019 affecting package kernel for versions less than 6.6.143.1-1
8 Jul 202616:02
–cbl_mariner
cnnvd
CNNVD
Linux kernel 安全漏洞
1 May 202600:00
–cnnvd
cnvd
CNVD
Linux kernel set_cig_params_sync function memory misreference vulnerability
11 May 202600:00
–cnvd
cve
CVE
CVE-2026-43019
1 May 202614:15
–cve
debiancve
Debian CVE
CVE-2026-43019
1 May 202614:15
–debiancve
oraclelinux
Oracle linux
Unbreakable Enterprise kernel security update
2 Jul 202600:00
–oraclelinux
euvd
EUVD
EUVD-2026-26618
1 May 202614:15
–euvd
Rows per page
[
  {
    "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": "a091289218202bc09d9b9caa8afcde1018584aec",
        "lessThan": "7502c1cf303b69f71d085f5ff7251b0e1b0f09df",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "a091289218202bc09d9b9caa8afcde1018584aec",
        "lessThan": "66d432e9b45bae7881ffcdb12cd8fd0bf254ef02",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "a091289218202bc09d9b9caa8afcde1018584aec",
        "lessThan": "7d568fede8eac91161a60b710aa920abe9b0fb9f",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "a091289218202bc09d9b9caa8afcde1018584aec",
        "lessThan": "bad65b4b0a96139f023eadc28a33125963208449",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "a091289218202bc09d9b9caa8afcde1018584aec",
        "lessThan": "a2639a7f0f5bf7d73f337f8f077c19415c62ed2c",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "3a273cd0f47dd672d37736e623849374f9ab9ce9",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "d8570c4c3f2a3e51b3c8b5e6ec898364c5c03062",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "6.4.16",
        "lessThan": "6.5",
        "status": "affected",
        "versionType": "semver"
      },
      {
        "version": "6.5.3",
        "lessThan": "6.6",
        "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": "6.6",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "6.6",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.6.143",
        "lessThanOrEqual": "6.6.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.12.81",
        "lessThanOrEqual": "6.12.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.18.22",
        "lessThanOrEqual": "6.18.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.19.12",
        "lessThanOrEqual": "6.19.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.0",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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