CVE-2025-38048
kernel: Linux kernel: Data race in virtio_ring can lead to denial of service
Severity
ModerateRed Hat Product Security
CVSS 3.1
Review impact separately from score.
Published · June 18, 2025
Updated · August 6, 2026
Description
A flaw was found in the Linux kernel, specifically within the virtio_ring component. A data race condition exists when the system attempts to manage interrupt notifications for virtualized devices. This race can temporarily prevent the driver from sending interrupt notifications, which may lead to a denial of service (DoS) by impacting the performance and availability of virtualized operations.
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
Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base, or stability.
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