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CVE-2026-74537

🗓️ 15 Aug 2026 12:27:49Reported by LinuxType 
cve
 cve
🔗 web.nvd.nist.gov👁 55 Views

Linux kernel Bluetooth ISO UAF in iso_conn_ready from race between socket close and connection ready handling.

Related
Detection
Affected
Refs
Vulners
CNA
Node
OR
linuxlinux_kernelRange5.15–6.18.44
linuxlinux_kernelRange6.19.0–7.1.8
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/iso.c"
    ],
    "versions": [
      {
        "version": "27c24fda62b601d6f9ca5e992502578c4310876f",
        "lessThan": "4e9b5e8669b3602a4e01b6d1e9539b72e42c84d5",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "27c24fda62b601d6f9ca5e992502578c4310876f",
        "lessThan": "1308d72903d792d10b82bc4ef08b8a4452308b04",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "27c24fda62b601d6f9ca5e992502578c4310876f",
        "lessThan": "0d255e63fcf3f13a570d7ac11678fa1164ac015c",
        "status": "affected",
        "versionType": "git"
      }
    ]
  },
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "affected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "net/bluetooth/iso.c"
    ],
    "versions": [
      {
        "version": "5.15",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "5.15",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.18.44",
        "lessThanOrEqual": "6.18.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.1.8",
        "lessThanOrEqual": "7.1.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.2",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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17 Aug 2026 06:19Current
7High risk
Vulners AI Score7
CVSS 3.18.8
EPSS0.00239
55