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CVE-2026-63946 Bluetooth: ISO: fix UAF in iso_recv_frame

🗓️ 19 Jul 2026 14:55:40Reported by LinuxType 
cvelist
 cvelist
🔗 www.cve.org👁 26 Views

Bluetooth ISO use-after-free in iso_recv_frame fixed by iso_sock_hold under lock.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
CVE
CVE-2026-63946
19 Jul 202614:55
cve
EUVD
EUVD-2026-45719
19 Jul 202614:55
euvd
NVD
CVE-2026-63946
19 Jul 202616:17
nvd
OSV
CVE-2026-63946 Bluetooth: ISO: fix UAF in iso_recv_frame
19 Jul 202614:55
osv
OSV
DEBIAN-CVE-2026-63946
19 Jul 202616:17
osv
OSV
UBUNTU-CVE-2026-63946
20 Jul 202600:00
osv
Positive Technologies
PT-2026-61263
19 Jul 202600:00
ptsecurity
[
  {
    "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": "ccf74f2390d60a2f9a75ef496d2564abb478f46a",
        "lessThan": "c57ea90f203c8b8b41a474f19a09000d0f841436",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "ccf74f2390d60a2f9a75ef496d2564abb478f46a",
        "lessThan": "119fb6f80c44dc1c65d604cf28e64c56bd9b6568",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "ccf74f2390d60a2f9a75ef496d2564abb478f46a",
        "lessThan": "b04ec131325baf4ea4577d6c6e6b86cf092e3731",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "ccf74f2390d60a2f9a75ef496d2564abb478f46a",
        "lessThan": "c318aa51830a3d2cc1229968fe521441c97356cd",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "ccf74f2390d60a2f9a75ef496d2564abb478f46a",
        "lessThan": "1a6b803b00ccdd7666506adbe01ddae1c72d1ca9",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "ccf74f2390d60a2f9a75ef496d2564abb478f46a",
        "lessThan": "47f23a259517abbdb8032c057a1e8a6bf3734878",
        "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": "6.0",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "6.0",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.1.176",
        "lessThanOrEqual": "6.1.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.6.143",
        "lessThanOrEqual": "6.6.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.12.93",
        "lessThanOrEqual": "6.12.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.18.35",
        "lessThanOrEqual": "6.18.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.0.12",
        "lessThanOrEqual": "7.0.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.1",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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20 Jul 2026 13:41Current
CVSS 3.18.8
EPSS0.00205
26