CVE-2025-21859

MEDIUM

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.

CVSS v3.1 Score

5.5
MEDIUM
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Attack Vector
LOCAL
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Published: 3/12/2025Modified: 10/15/2026

Related Intelligence (1)

CRITICALVulnerability

Siemens SIMATIC S7-1500 TM MFP

<p><a href="https://github.com/cisagov/CSAF/blob/develop/csaf_files/OT/white/2026/icsa-26-295-16.json"><strong>View CSAF</strong></a></p> <h2>Summary</h2> <p><strong>Multiple vulnerabilities have been identified in the additional GNU/Linux subsystem of the SIMATIC S7-1500 TM MFP V1.1.1. Siemens is preparing fixes and recommends specific mitigations for products where fixes are not or not yet avail

CVE-2023-52927CVE-2023-53292
CISA Advisories

References (12)

https://git.kernel.org/stable/c/1f10923404705a94891e612dff3b75e828a78368Patchhttps://git.kernel.org/stable/c/24a942610ee9bafb2692a456ae850c5b2e409b05Patchhttps://git.kernel.org/stable/c/4ab37fcb42832cdd3e9d5e50653285ca84d6686fPatchhttps://git.kernel.org/stable/c/727dee0857946b85232526de4f5a957fe163e89aPatchhttps://git.kernel.org/stable/c/8aa6b4be1f4efccbfc533e6ec8841d26e4fa8dbaPatchhttps://git.kernel.org/stable/c/b09957657d7767d164b3432af2129bd72947553cPatchhttps://git.kernel.org/stable/c/deeee3adb2c01eedab32c3b4519337689ad02e8aPatchhttps://git.kernel.org/stable/c/e9fec6f42c45db2f62dc373fb1a10d2488c04e79Patchhttps://lists.debian.org/debian-lts-announce/2025/05/msg00030.htmlhttps://lists.debian.org/debian-lts-announce/2025/05/msg00045.htmlhttps://cert-portal.siemens.com/productcert/html/ssa-265688.htmlhttps://cert-portal.siemens.com/productcert/html/ssa-784472.html