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CVE-2025-38386 Not scored

ACPICA: Refuse to evaluate a method if arguments are missing

In the Linux kernel, the following vulnerability has been resolved: ACPICA: Refuse to evaluate a method if arguments are missing As reported in [1], a platform firmware update that increased the number of method parameters and forgot to update a least one of its callers, caused ACPICA to crash due to use-after-free. Since this a result of a clear AML issue that arguably cannot be fixed up by the interpreter (it cannot produce missing data out of thin air), address it by making ACPICA refuse to evaluate a method if the caller attempts to pass fewer arguments than expected to it.

Exploit probability 0.2%
Published July 25, 2025
Required by Not available
Last source change July 15, 2026

02 / AFFECTED SOFTWARE

Affected packages

Unknown Unknown

1869 explicit affected versions

Linux Kernel

03 / CONNECTIONS

Connected vulnerabilities

related OPENSUSE-SU-2025:20081-1
related SUSE-SU-2025:02853-1
related SUSE-SU-2025:02923-1
related SUSE-SU-2025:02969-1
related SUSE-SU-2025:02996-1
related SUSE-SU-2025:02997-1
related SUSE-SU-2025:03011-1
related SUSE-SU-2025:03023-1
related SUSE-SU-2025:03204-1
related SUSE-SU-2025:20577-1
related SUSE-SU-2025:20586-1
related SUSE-SU-2025:20601-1
related SUSE-SU-2025:20602-1
related SUSE-SU-2025:21074-1
related SUSE-SU-2025:21139-1
related SUSE-SU-2025:21179-1

04 / EVIDENCE

Source records

Open Source Vulnerabilities CVE-2025-38386

In the Linux kernel, the following vulnerability has been resolved: ACPICA: Refuse to evaluate a method if arguments are missing As reported in [1], a platform firmware update that increased the number of method parameters and forgot to update a least one of its callers, caused ACPICA to crash due to use-after-free. Since this a result of a clear AML issue that arguably cannot be fixed up by the interpreter (it cannot produce missing data out of thin air), address it by making ACPICA refuse to evaluate a method if the caller attempts to pass fewer arguments than expected to it.

View original source

05 / REFERENCES

Further evidence