Use-after-free in Linux kernel - CVE-2026-89994
Published: September 16, 2026
Vulnerability identifier: #VU150295
CSH Severity: Low
CVSS v4: 8.5 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-89994
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 use-after-free in the fsl-edma tracing event log output when printing fsl-edma trace log entries after event injection. A local user can inject fsl-edma events and read the trace log to cause a denial of service.
Affected software
Linux kernel
How to mitigate CVE-2026-89994
Install security update from vendor's repository.