High 7.1Published Jan 5, 2026

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

Updated under an hour ago (Oct 27, 2026, 2:20 AM ET)

Does this affect you?

It affects Linux. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

Do this next

Start free and add your stack

Free account, 1 product

Every CVE for Linux

Exploited in the last 30 days

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().

CVSS: 7.1 HIGH (v3.1, CNA)CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H
Weakness (CWE): CWE-787
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: Linux
NVD analysis: Deferred
Record last updated: Oct 19, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

Linux Linux linux:linux (from the name)	from 634ec0b2906efd46f6f57977e172aa3470aca432 before ea2c921d9de6e32ca50cb817b9d57bb881be70de; 634ec0b2906efd46f6f57977e172aa3470aca432 builds before 6d4f17782ce4facf3197e79707df411ee3d7b30a; 634ec0b2906efd46f6f57977e172aa3470aca432 builds before 0d71b3c2ed742f1ccb3b0b7a61afb90c0251093f; from 634ec0b2906efd46f6f57977e172aa3470aca432 before df692cf2b601a54b34edfdb9e683d67483aa8ce1; 634ec0b2906efd46f6f57977e172aa3470aca432 builds before 8f9e51cf2a2a43d0cd72d3dc0b5ccea3f639c187; 634ec0b2906efd46f6f57977e172aa3470aca432 builds before 298e753880b6ea99ac30df34959a7a03b0878eed	CNA record

References

References

https://git.kernel.org/stable/c/ea2c921d9de6e32ca50cb817b9d57bb881be70de
https://git.kernel.org/stable/c/6d4f17782ce4facf3197e79707df411ee3d7b30a
https://git.kernel.org/stable/c/0d71b3c2ed742f1ccb3b0b7a61afb90c0251093f
https://git.kernel.org/stable/c/df692cf2b601a54b34edfdb9e683d67483aa8ce1
https://git.kernel.org/stable/c/8f9e51cf2a2a43d0cd72d3dc0b5ccea3f639c187
https://git.kernel.org/stable/c/298e753880b6ea99ac30df34959a7a03b0878eed

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.