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Back to active CVEs
High · CVSS 7.8CVE-2025-68347

ALSA: firewire-motu: fix buffer overflow in hwdep read for DSP eventsCVE-2025-68347

Answer in brief

CVE-2025-68347 records a High severity (CVSS 7.8) vulnerability in ALSA: firewire-motu: fix buffer overflow in hwdep read 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 Dec 24, 2025Updated Oct 16, 2026Source checked Oct 16, 2026First seen by HOL Oct 16, 2026Material review Oct 16, 2026
Upstream Advisory

Record context

Vulnerability class
Buffer Overflow
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 7.8
Exploitation
Not marked as known exploited
Affected software
2 mapped packages or products
Fix availability
Available

Why this deserves its current priority

CVSS is 7.8. 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 <16620f0617400746984362c3d6ac547eeae1d35f || >=634ec0b2906efd46f6f57977e172aa3470aca432 <ddd32ec66bc4eb6969fe835e4cc1c0706c6348fe || >=634ec0b2906efd46f6f57977e172aa3470aca432 <6275fd726d53a8ec724f20201cf3bd862711e17b || >=634ec0b2906efd46f6f57977e172aa3470aca432 <161291bac551821bba98eb4ea84c82338578d1b0 || >=634ec0b2906efd46f6f57977e172aa3470aca432 <cdda0d06f8650e33255f79839f188bbece44117c || >=634ec0b2906efd46f6f57977e172aa3470aca432 <210d77cca3d0494ed30a5c628b20c1d95fa04fb116620f0617400746984362c3d6ac547eeae1d35f, ddd32ec66bc4eb6969fe835e4cc1c0706c6348fe, 6275fd726d53a8ec724f20201cf3bd862711e17b, 161291bac551821bba98eb4ea84c82338578d1b0, cdda0d06f8650e33255f79839f188bbece44117c, 210d77cca3d0494ed30a5c628b20c1d95fa04fb1
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 16620f0617400746984362c3d6ac547eeae1d35f if you use the affected versions. Test the change in a non-production environment first.

Evidence timeline and material changes

  1. Published upstream

    Dec 24, 2025

    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: fix buffer overflow in hwdep read for DSP events The DSP event handling code in hwdep_read() could write more bytes to the user buffer than requested, when a user provides a buffer smaller than the event header size (8 bytes). Fix by using min_t() to clamp the copy size, This ensures we never copy more than the user requested.

Quoted source text, attributed separately from HOL analysis.

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