Review reviewHigh

CVE-2026-64133

Linux

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.

CVSS
7.8
EPSS
-
- percentile
CISA KEV
Not listed
Published
2026.07.20
PRIORITY ASSESSMENT

Review review

The CVSS severity warrants an early asset and exposure review.

Known exploitationNot established by KEV
Exploit probability-
Technical severityCVSS 7.8

Vulnerability overview

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.

Affected product and versions

Product
Linux
Affected versions
>= 719f82d3987aad4cc9f46d19c35f362672545cad < e060e21fe9cca1e5eafd8a1c597026577771e8d9, >= 719f82d3987aad4cc9f46d19c35f362672545cad < 34d0d492a2812b9289af14bca3573a89275965b2, >= 719f82d3987aad4cc9f46d19c35f362672545cad < ffa29cea7bf9a4ef2ea8084967f142e0301ac670, >= 719f82d3987aad4cc9f46d19c35f362672545cad < 7b6f8c8eb93f02a74b1de8e521c0952af10d1f43, >= 719f82d3987aad4cc9f46d19c35f362672545cad < 8778386e4387b28f2bf8425d7ffc667c6294457f, >= 719f82d3987aad4cc9f46d19c35f362672545cad < 61c5017c64e2ac9e10b70b14b17a079dbc0a805f, >= 719f82d3987aad4cc9f46d19c35f362672545cad < 7d107239935793995bdc6cf29bb99e180bde4c28, >= 719f82d3987aad4cc9f46d19c35f362672545cad < 7b7d6572145c1dab2dd9bfb550b188e5f0ff3c3f, >= 2.6.35
Fixed versions
No verified fixed-version field is available yet

Recommended response sequence

Confirm exposure before applying a vendor-supported change.

Full remediation guide
  1. 1
    Identify

    Confirm that Linux and an affected version are present.

  2. 2
    Prioritize

    Combine exploitation signals with asset exposure and business criticality.

  3. 3
    Remediate

    Follow the vendor advisory or supported update path and preserve rollback options.

  4. 4
    Verify

    Recheck the version, service health, access paths, and relevant logs.

Technical data

CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CWE
Not available
CVE-2026-64133 — Linux | SECUFOCUS NOW