CVE-2025-38386
kernel: Linux kernel: Denial of Service in ACPICA due to missing method arguments
Severity
ModerateRed Hat Product Security
CVSS 3.1
Review impact separately from score.
Published · July 25, 2025
Updated · July 30, 2026
Description
A flaw was found in the Linux kernel's ACPI Component Architecture (ACPICA). This vulnerability occurs when a platform firmware update increases the number of parameters for a method, but a caller fails to provide the expected number of arguments. This can lead to a use-after-free error, causing the system to crash and 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
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 · 6.7CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
CWE-628 · Function Call with Incorrectly Specified Arguments