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CVE-2025-21859 Details

Description

In the Linux kernel, the following vulnerability has been resolved: USB: gadget: f_midi: f_midi_complete to call queue_work When using USB MIDI, a lock is attempted to be acquired twice through a re-entrant call to f_midi_transmit, causing a deadlock. Fix it by using queue_work() to schedule the inner f_midi_transmit() via a high priority work queue from the completion handler.

Metrics

CVSS 3.x Severity and Vector Strings:

NIST: [email protected]CVSS-B:5.5 MEDIUMVector:CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

CNA: CISA-ADPCVSS-B:5.5 MEDIUMVector:CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

References to Advisories, Solutions, and Tools

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URL	Source(s)	Tag(s)
https://cert-portal.siemens.com/productcert/html/ssa-265688.html	siemens-SADP
https://git.kernel.org/stable/c/1f10923404705a94891e612dff3b75e828a78368	kernel.org	Patch
https://git.kernel.org/stable/c/24a942610ee9bafb2692a456ae850c5b2e409b05	kernel.org	Patch
https://git.kernel.org/stable/c/4ab37fcb42832cdd3e9d5e50653285ca84d6686f	kernel.org	Patch
https://git.kernel.org/stable/c/727dee0857946b85232526de4f5a957fe163e89a	kernel.org	Patch
https://git.kernel.org/stable/c/8aa6b4be1f4efccbfc533e6ec8841d26e4fa8dba	kernel.org	Patch
https://git.kernel.org/stable/c/b09957657d7767d164b3432af2129bd72947553c	kernel.org	Patch
https://git.kernel.org/stable/c/deeee3adb2c01eedab32c3b4519337689ad02e8a	kernel.org	Patch
https://git.kernel.org/stable/c/e9fec6f42c45db2f62dc373fb1a10d2488c04e79	kernel.org	Patch
https://lists.debian.org/debian-lts-announce/2025/05/msg00030.html	CVE
https://lists.debian.org/debian-lts-announce/2025/05/msg00045.html	CVE

see all 11 references

Weakness Enumeration

CWE-ID	CWE Name	Source
CWE-667	Improper Locking	[email protected]
CWE-667	Improper Locking	CISA-ADP

Affected Products

Product	Versions
linux linux kernel	>= 3.2, < 6.1.130 >= 6.2, < 6.6.80 >= 6.7, < 6.12.17 >= 6.13, < 6.13.5 6.14 rc1
CPE cpe:2.3:o:linux:linux_kernel:::::::: cpe:2.3:o:linux:linux_kernel:6.14:rc1:::::: cpe:2.3:o:linux:linux_kernel:6.14:rc2:::::: cpe:2.3:o:linux:linux_kernel:6.14:rc3:::::: Remediation No remediation found in references.

Change History

9 change records found show changes

Date	Action	Recorded By
Jun 17, 2026	CVE Modified	kernel.org
Jun 17, 2026	CVE Modified	siemens-SADP
Jun 17, 2026	CVE Modified	CISA-ADP
May 12, 2026	CVE Modified	siemens-SADP
Nov 3, 2025	CVE Modified	CVE
Oct 1, 2025	CVE Modified	CISA-ADP
Mar 13, 2025	Initial Analysis	[email protected]
Mar 13, 2025	CVE Modified	kernel.org
Mar 12, 2025	New CVE Received	kernel.org