Use-after-free in Linux kernel - CVE-2026-98076
Published: September 28, 2026
Vulnerability identifier: #VU152388
CSH Severity: Low
CVSS v4: 0 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-98076
CWE-ID: CWE-416
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a local user to trigger a use-after-free.
The vulnerability exists due to use-after-free in probe-based dynamic event field handling when looking up event fields after removing the first of several attached probes. A local user can create multiple probes for an event, remove the probe that defined its fields, and perform a field lookup to trigger a use-after-free.
Affected software
Linux kernel
How to mitigate CVE-2026-98076
Install security update from vendor's repository.
Linux kernel - update to 7.0 rc3