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CVE-2026-89774 Bluetooth: SCO: hold sk properly in sco_conn_ready

🗓️ 16 Sep 2026 08:24:21Reported by LinuxType 
cvelist
 cvelist
🔗 www.cve.org👁 43 Views

UAF in Linux kernel Bluetooth SCO sco_conn_ready via concurrent socket close.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
astralinux
AstraLinux
Astra Linux – Vulnerability found in Linux 6.1, Linux 5.15
15 Oct 202615:53
–astralinux
bdu_fstec
BDU FSTEC
Linux kernel Bluetooth Buffer Overflow DoS
20 Oct 202600:00
–bdu_fstec
cve
CVE
CVE-2026-89774
16 Sep 202608:24
–cve
debiancve
Debian CVE
CVE-2026-89774
16 Sep 202608:24
–debiancve
euvd
EUVD
EUVD-2026-80255
16 Sep 202608:24
–euvd
nvd
NVD
CVE-2026-89774
16 Sep 202609:17
–nvd
osv_bell
osv_bell
BELL-CVE-2026-89774
18 Sep 202606:05
–osv_bell
osv_cve
osv_cve
CVE-2026-89774 Bluetooth: SCO: hold sk properly in sco_conn_ready
16 Sep 202608:24
–osv_cve
osv_debian
osv_debian
DEBIAN-CVE-2026-89774
16 Sep 202609:17
–osv_debian
osv_oesa
osv_oesa
OESA-2026-4185 kernel security update
30 Sep 202613:47
–osv_oesa
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/sco.c"
    ],
    "versions": [
      {
        "version": "27c24fda62b601d6f9ca5e992502578c4310876f",
        "lessThan": "50aae396dc30377bec8e3b181b8346f8fd38f7d8",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "27c24fda62b601d6f9ca5e992502578c4310876f",
        "lessThan": "6e3840578aaad1a296aab1eaaa89ea3b7d5cbae1",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "27c24fda62b601d6f9ca5e992502578c4310876f",
        "lessThan": "d141d9b769bcd1b747898528c5023270cda040f2",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "27c24fda62b601d6f9ca5e992502578c4310876f",
        "lessThan": "73cb063f5ec6ca51eb1e246c6d332563002ac277",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "27c24fda62b601d6f9ca5e992502578c4310876f",
        "lessThan": "7199c78c3a3e399a4dc439d845826793880ccedc",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "27c24fda62b601d6f9ca5e992502578c4310876f",
        "lessThan": "4e37f6452d586b95c346a9abdd2fb80b67794f39",
        "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/sco.c"
    ],
    "versions": [
      {
        "version": "5.15",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "5.15",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.15.212",
        "lessThanOrEqual": "5.15.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.1.178",
        "lessThanOrEqual": "6.1.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.6.145",
        "lessThanOrEqual": "6.6.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.12.97",
        "lessThanOrEqual": "6.12.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.18.40",
        "lessThanOrEqual": "6.18.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.1",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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16 Sep 2026 14:38Current
CVSS 3.18.8
EPSS0.00403
43