CVE-2026-74538High· 8.8▾ TwilightIn the Linux kernel, the following vulnerability has been resolved: Bluetooth: ISO: lock sk in iso_connect_ind Accessing iso_pi(sk)->conn requires lock_sock, which is not taken in the "ev3" part of iso_connect_ind. It may also be NULL…
▾ Twilight zone — High severity, or a signal on a lesser flaw
impact 48.4 · likelihood 0 · exploitation 0
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Stakeholder-Specific Vulnerability Categorization from CISA's ADP record at CVE.org: whether exploitation is observed, whether an attack can be automated, and how much of the system is at stake. The CVSS score shown above comes from the assigning CNA record, not NVD.
Exploit-prediction probability, daily snapshots since Oct 16.
Disclosure to exploitation, from the record and what we observed since indexing it.
Disclosed via CVEORG
0.4%
Last analysed / modified upstream
In the Linux kernel, the following vulnerability has been resolved:
Bluetooth: ISO: lock sk in iso_connect_ind
Accessing iso_pi(sk)->conn requires lock_sock, which is not taken in the "ev3" part of iso_connect_ind. It may also be NULL if socket has transitioned away from the LISTEN/CONNECT states before locking.
Fix by adding lock/release. Recheck hcon is valid after lock acquire where needed.
Linux >= 168d9bf9c7f01df71e6404cfff66d9c2a8e968fb < 0e830354c120954ccb9ca15880245912722c4031Linux >= 168d9bf9c7f01df71e6404cfff66d9c2a8e968fb < e8e9cff6d80eeec28dec4cf7cc18662986945391Linux >= 168d9bf9c7f01df71e6404cfff66d9c2a8e968fb < 9bee7e476534f27e830658dad962d85da9edf6bfLinux >= 168d9bf9c7f01df71e6404cfff66d9c2a8e968fb < 4311fd6f429065a8ba208660360a895627a00cf3Linux 489efc9ae36f164423f5fa7ace772a7ab8131cd8Linux >= 6.8.9 < 6.9Linux 6.9Refer to the linked advisories for vendor-supplied fixes and affected version ranges.
Connected by shared product, vendor, weakness, or advisory.
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