What’s Vulnerable › Vulnerabilities

CVE-2023-53708: ACPI: x86: s2idle: Catch multiple ACPI_TYPE_PACKAGE objects

• Severity: unknown
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2025-10-22 · updated 2026-10-28

Description

In the Linux kernel, the following vulnerability has been resolved: ACPI: x86: s2idle: Catch multiple ACPI_TYPE_PACKAGE objects If a badly constructed firmware includes multiple `ACPI_TYPE_PACKAGE` objects while evaluating the AMD LPS0 _DSM, there will be a memory leak. Explicitly guard against this.

Affected products

• Linux kernel: 5.11 — fixed in 6.6

How to fix

Upgrade to a fixed version: Linux kernel 6.6. Check the vendor advisory for mitigations.

References

• https://git.kernel.org/stable/c/1ea7e47807279369c82718efd2677ea25c6579e3
• https://git.kernel.org/stable/c/7b7964cd9db30bc84808a40d13a0633b4313f149
• https://git.kernel.org/stable/c/883cf0d4cf288313b71146ddebdf5d647b76c78b
• https://git.kernel.org/stable/c/9e8bbde9293151430884aed882a88eaa22298f72

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