Missing Release of Resource after Effective Lifetime in Linux kernel - CVE-2026-90087

 

Missing Release of Resource after Effective Lifetime in Linux kernel - CVE-2026-90087

Published: September 19, 2026


Vulnerability identifier: #VU151396
CSH Severity: Low
CVSS v4: 2 [CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-90087
CWE-ID: CWE-772
Exploitation vector: Local access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a local user to cause a denial of service.

The vulnerability exists due to improper connection state validation in create_le_conn_complete() when handling rejection of a second LE connection while another LE connection is pending. A local user can initiate concurrent LE connection attempts to cause a denial of service.


Affected software

Linux kernel

How to mitigate CVE-2026-90087

Install security update from vendor's repository.

Linux kernel - update to 7.0 rc3

External References

Related Security Bulletins