Use-after-free in Linux kernel - CVE-2026-89475
Published: September 12, 2026
Vulnerability identifier: #VU149340
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-2026-89475
CWE-ID: CWE-416
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 a use-after-free in the bq24257 charger driver when device removal races with the STAT-pin interrupt handler. A local user can cause the interrupt handler to reschedule delayed work during device removal to cause a denial of service.
The issue applies when input-current-limit autosetting is enabled.
Affected software
Linux kernel
How to mitigate CVE-2026-89475
Install security update from vendor's repository.