CVE-2025-38297
kernel: Linux kernel: Denial of Service via division-by-zero in energy efficiency calculation
Severity
ModerateRed Hat Product Security
CVSS 3.1
Review impact separately from score.
Published · July 10, 2025
Updated · June 30, 2026
Description
A flaw was found in the Linux kernel. A local user could exploit a division-by-zero error in the em_compute_costs() function. This occurs when a non-CPU type device is used, leading to an uninitialized performance value during energy efficiency calculations. Successful exploitation can result 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-908 · Use of Uninitialized Resource