CVE-2026-98790
kernel: perf: Fix race between perf_event_exit_task() and perf_pending_task()
Severity
ModerateRed Hat Product Security
CVSS 3.1
Review impact separately from score.
Published · October 18, 2026
Updated · October 24, 2026
Description
A flaw was found in the Linux kernel's performance monitoring subsystem. A race condition occurs during process execution when cleaning up performance events while a task event is still pending. A local user could exploit this flaw to trigger an internal kernel warning, potentially leading to a Denial of Service (DoS) via system instability or a crash.
CVSS score applicability
The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.
Mitigation
No mitigation is specified in collected source.
CVSS / CWE
CVSS 3.1 · 4.7CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H
CWE-366 · Race Condition within a Thread