CVE-2026-98652
kernel: KVM: s390: Add missing srcu in kvm_s390_set_irq_state()
Severity
ModerateRed Hat Product Security
CVSS 3.1
Review impact separately from score.
Published · October 18, 2026
Updated · October 22, 2026
Description
A flaw was found in the Linux kernel's Kernel-based Virtual Machine (KVM) subsystem for the s390 architecture. A missing synchronization lock during status storing operations allows a local user with virtual machine management privileges to trigger a race condition. This flaw can lead to kernel memory corruption or instability, resulting in a Denial of Service (DoS).
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 · 5.5CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CWE-820 · Missing Synchronization