CVE-2026-74538
High
Description
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.
SeverityHigh
CVSS8.8
Exploit probability—
Product
Linux
PublishedAug 15, 2026
First seenAug 15, 2026
How to fix
Update
- Linux Linux0e830354c120954ccb9ca15880245912722c4031, e8e9cff6d80eeec28dec4cf7cc18662986945391, 9bee7e476534f27e830658dad962d85da9edf6bf, 4311fd6f429065a8ba208660360a895627a00cf3, 6.9 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| Linux Linux | 168d9bf9c7f01df71e6404cfff66d9c2a8e968fb ≤ v < 0e830354c120954ccb9ca15880245912722c4031, 168d9bf9c7f01df71e6404cfff66d9c2a8e968fb ≤ v < e8e9cff6d80eeec28dec4cf7cc18662986945391, 168d9bf9c7f01df71e6404cfff66d9c2a8e968fb ≤ v < 9bee7e476534f27e830658dad962d85da9edf6bf, 168d9bf9c7f01df71e6404cfff66d9c2a8e968fb ≤ v < 4311fd6f429065a8ba208660360a895627a00cf3, 489efc9ae36f164423f5fa7ace772a7ab8131cd8, 6.8.9 ≤ v < 6.9, 6.9 | 0e830354c120954ccb9ca15880245912722c4031, e8e9cff6d80eeec28dec4cf7cc18662986945391, 9bee7e476534f27e830658dad962d85da9edf6bf, 4311fd6f429065a8ba208660360a895627a00cf3, 6.9 |
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