CVE-2026-74539: Bluetooth: ISO: lock sk in iso_sock_getname
Published Aug 15, 2026
·Updated
In the Linux kernel, the following vulnerability has been resolved:
Bluetooth: ISO: lock sk in isosockgetname
Accessing isopi(sk)->conn requires locksock, which is not held here.
Fix by adding the lock/release.
Affected Software
1 affected component
Linux Linux kernel
Event History
Aug 15, 2026
CVE Published
via MITRE·12:27 PM
Data Sourced
via MITRE·12:27 PM
Description
Frequently Asked Questions
1
What is the severity of CVE-2026-74539?
CVE-2026-74539 has a risk rating of 27.
2
What systems are affected by CVE-2026-74539?
CVE-2026-74539 affects the Linux kernel Bluetooth subsystem.
3
How do I fix CVE-2026-74539?
Fix CVE-2026-74539 by updating to the patched version of the Linux kernel that includes the lock for iso_sock_getname.
4
What is the impact of CVE-2026-74539?
The impact of CVE-2026-74539 is that it can lead to race conditions affecting Bluetooth ISO socket operations.
5
When was CVE-2026-74539 published?
CVE-2026-74539 was published on August 15, 2026.