Use-after-free in Linux kernel - CVE-2026-97600

 

Use-after-free in Linux kernel - CVE-2026-97600

Published: September 28, 2026


Vulnerability identifier: #VU152609
CSH Severity: Low
CVSS v4: 0 [CVSS:4.0/AV:L/AC:L/AT:P/PR:H/UI:N/VC:N/VI:N/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-97600
CWE-ID: CWE-416
Exploitation vector: Local access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a local privileged user to trigger a use-after-free condition.

The vulnerability exists due to use-after-free in cc2520_fifop_irqwork handling when removing a cc2520 device. A local privileged user can initiate removal of a cc2520 device while FIFOP interrupts are handled to trigger a use-after-free condition.

The devm-managed FIFOP IRQ can remain active after the driver's removal callback returns.


Affected software

Linux kernel

How to mitigate CVE-2026-97600

Install security update from vendor's repository.

Linux kernel - update to 7.0 rc3

External References

Related Security Bulletins