{
  "cveId": "CVE-2026-74537",
  "url": "https://patchblox.com/security/cve/CVE-2026-74537",
  "summary": "CVE-2026-74537 is fixed in 17 products on 1 platform, first by DEBIAN-CVE-2026-74537, released August 16, 2026. It is not reported as exploited. Patch Radar priority: High.",
  "title": "linux: In the Linux kernel, the following vulnerability has been resolved:  Bluetooth: ISO: hold sk properly in iso_conn_rea...",
  "description": "In the Linux kernel, the following vulnerability has been resolved:  Bluetooth: ISO: hold sk properly in iso_conn_ready  sk deref in iso_conn_ready must be done either under conn-\u003Elock, or holding a refcount, to avoid concurrent close. conn-\u003Esk is currently accessed without either:      [Task 1]            [Task 2]                         iso_sock_release     iso_conn_ready       sk = conn-\u003Esk                           lock_sock(sk)                             conn-\u003Esk = NULL       lock_sock(sk)                           release_sock(sk)                           iso_sock_kill(sk)        UAF on sk deref  Fix possible UAF by holding sk refcount in iso_conn_ready().  Also recheck after lock_sock that the socket is still valid.  Adjust locking so conn-\u003Esk is cleared only under lock_sock.",
  "published": "2026-08-15T13:17:59Z",
  "severity": "high",
  "cvss": 8.8,
  "cvssVector": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
  "epss": 0.00257,
  "epssPercentile": 0.17478,
  "priority": "High",
  "priorityTier": 3,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "fixes": [
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      "product": "dtb-aarch64",
      "release": "opensuse-leap 16.0",
      "fixedVersion": "6.12.0-160000.38.1",
      "fix": "OPENSUSE-SU-2026:21910-1",
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      "released": "2026-09-22T15:26:20Z"
    },
    {
      "platform": "linux",
      "product": "kernel-64kb",
      "release": "opensuse-leap 16.0",
      "fixedVersion": "6.12.0-160000.38.1",
      "fix": "OPENSUSE-SU-2026:21910-1",
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      "released": "2026-09-22T15:26:20Z"
    },
    {
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      "product": "kernel-64kb",
      "release": "sles 15.7",
      "fixedVersion": "6.4.0-150700.53.81.1",
      "fix": "SUSE-SU-2026:4254-1",
      "url": "https://patchblox.com/security/fix/linux/suse-su-2026-4254-1",
      "released": "2026-10-07T22:31:36Z"
    },
    {
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      "product": "kernel-64kb",
      "release": "sles 16.0",
      "fixedVersion": "6.12.0-160000.38.1",
      "fix": "SUSE-SU-2026:23902-1",
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      "released": "2026-09-22T14:23:31Z"
    },
    {
      "platform": "linux",
      "product": "kernel-azure",
      "release": "opensuse-leap 16.0",
      "fixedVersion": "6.12.0-160000.38.1",
      "fix": "OPENSUSE-SU-2026:21910-1",
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      "released": "2026-09-22T15:26:20Z"
    },
    {
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      "fix": "SUSE-SU-2026:4254-1",
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      "released": "2026-10-07T22:31:36Z"
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    {
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      "product": "kernel-azure",
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      "fixedVersion": "6.12.0-160000.38.1",
      "fix": "SUSE-SU-2026:23902-1",
      "url": "https://patchblox.com/security/fix/linux/suse-su-2026-23902-1",
      "released": "2026-09-22T14:23:31Z"
    },
    {
      "platform": "linux",
      "product": "kernel-default",
      "release": "opensuse-leap 16.0",
      "fixedVersion": "6.12.0-160000.38.1",
      "fix": "OPENSUSE-SU-2026:21910-1",
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    },
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      "fix": "OPENSUSE-SU-2026:21910-1",
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  ],
  "noFixYet": [],
  "dataAsOf": "2026-11-09T01:18:40Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}