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Back to active CVEs
High · CVSS 7.1CVE-2025-68753

ALSA: firewire-motu: add bounds check in put_user loop for DSP eventsCVE-2025-68753

Answer in brief

CVE-2025-68753 records a High severity (CVSS 7.1) vulnerability in ALSA: firewire-motu: add bounds check in put_user loop for DSP events. The current sources do not mark it as known exploited. The current feed maps Linux/Linux (generic), Linux/Linux (generic). Check affected ranges and fixed versions before updating.

Analysis pending evidence review

HOL Guard separates source facts from reviewed analysis. See the methodology.

Published Jan 5, 2026Updated Oct 16, 2026Source checked Oct 16, 2026First seen by HOL Oct 16, 2026Material review Oct 16, 2026
Upstream Advisory

Record context

Vulnerability class
Vulnerability
EPSS
Not reported
CWE IDs
Not reported
Source
CVE List V5
Source checked
Oct 16, 2026
References
6 linked sources
Open source record

Key facts

Risk
High · CVSS 7.1
Exploitation
Not marked as known exploited
Affected software
2 mapped packages or products
Fix availability
Available

Why this deserves its current priority

CVSS is 7.1. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.

Analysis status

Analysis pending evidence review

Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.

Affected scope and exposure questions

The current feed maps Linux/Linux (generic), Linux/Linux (generic). Check affected ranges and fixed versions before updating.

Mapped affected packages and fixed versions
PackageAffected rangeFixed version
Linux/Linuxgeneric>=634ec0b2906efd46f6f57977e172aa3470aca432 <ea2c921d9de6e32ca50cb817b9d57bb881be70de || >=634ec0b2906efd46f6f57977e172aa3470aca432 <6d4f17782ce4facf3197e79707df411ee3d7b30a || >=634ec0b2906efd46f6f57977e172aa3470aca432 <0d71b3c2ed742f1ccb3b0b7a61afb90c0251093f || >=634ec0b2906efd46f6f57977e172aa3470aca432 <df692cf2b601a54b34edfdb9e683d67483aa8ce1 || >=634ec0b2906efd46f6f57977e172aa3470aca432 <8f9e51cf2a2a43d0cd72d3dc0b5ccea3f639c187 || >=634ec0b2906efd46f6f57977e172aa3470aca432 <298e753880b6ea99ac30df34959a7a03b0878eedea2c921d9de6e32ca50cb817b9d57bb881be70de, 6d4f17782ce4facf3197e79707df411ee3d7b30a, 0d71b3c2ed742f1ccb3b0b7a61afb90c0251093f, df692cf2b601a54b34edfdb9e683d67483aa8ce1, 8f9e51cf2a2a43d0cd72d3dc0b5ccea3f639c187, 298e753880b6ea99ac30df34959a7a03b0878eed
Linux/Linuxgeneric5.16Not reported

Recommended response

  1. 1Check inventory. Check lockfiles and deployed manifests for Linux/Linux, Linux/Linux.
  2. 2Review the reported fix. Update Linux/Linux to ea2c921d9de6e32ca50cb817b9d57bb881be70de if you use the affected versions. Test the change in a non-production environment first.

Evidence timeline and material changes

  1. Published upstream

    Jan 5, 2026

    Evidence: source:cvelist:source_dates:source-dates:record

  2. Source modified

    Oct 16, 2026

    Evidence: source:cvelist:source_dates:source-dates:record

  3. First seen by HOL

    Oct 16, 2026

Sources and claim methodology

  • Source referencegit.kernel.org
  • Source referencegit.kernel.org
  • Source referencegit.kernel.org
  • Source referencegit.kernel.org
  • Source referencegit.kernel.org
  • Source referencegit.kernel.org
Upstream source description

In the Linux kernel, the following vulnerability has been resolved: ALSA: firewire-motu: add bounds check in put_user loop for DSP events In the DSP event handling code, a put_user() loop copies event data. When the user buffer size is not aligned to 4 bytes, it could overwrite beyond the buffer boundary. Fix by adding a bounds check before put_user().

Quoted source text, attributed separately from HOL analysis.

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