CVE-2025-21859 (GCVE-0-2025-21859)
Vulnerability from cvelistv5 – Published: 2025-03-12 09:42 – Updated: 2026-05-12 12:04
VLAI
EPSS
VEX
Title
USB: gadget: f_midi: f_midi_complete to call queue_work
Summary
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.
Severity
5.5 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-10-01 19:25 UTC
CWE
- CWE-667 - Improper Locking
Assigner
References
11 references
Impacted products
3 products
| Vendor | Product | Version | CPE status | |
|---|---|---|---|---|
| Linux | Linux |
Affected:
d5daf49b58661ec4af7a55b277176efbf945ca05 , < 727dee0857946b85232526de4f5a957fe163e89a
(git)
Affected: d5daf49b58661ec4af7a55b277176efbf945ca05 , < 1f10923404705a94891e612dff3b75e828a78368 (git) Affected: d5daf49b58661ec4af7a55b277176efbf945ca05 , < b09957657d7767d164b3432af2129bd72947553c (git) Affected: d5daf49b58661ec4af7a55b277176efbf945ca05 , < 24a942610ee9bafb2692a456ae850c5b2e409b05 (git) Affected: d5daf49b58661ec4af7a55b277176efbf945ca05 , < deeee3adb2c01eedab32c3b4519337689ad02e8a (git) Affected: d5daf49b58661ec4af7a55b277176efbf945ca05 , < e9fec6f42c45db2f62dc373fb1a10d2488c04e79 (git) Affected: d5daf49b58661ec4af7a55b277176efbf945ca05 , < 8aa6b4be1f4efccbfc533e6ec8841d26e4fa8dba (git) Affected: d5daf49b58661ec4af7a55b277176efbf945ca05 , < 4ab37fcb42832cdd3e9d5e50653285ca84d6686f (git) |
guessed | |
| Linux | Linux |
Affected:
3.2
Unaffected: 0 , < 3.2 (semver) Unaffected: 5.4.291 , ≤ 5.4.* (semver) Unaffected: 5.10.235 , ≤ 5.10.* (semver) Unaffected: 5.15.179 , ≤ 5.15.* (semver) Unaffected: 6.1.130 , ≤ 6.1.* (semver) Unaffected: 6.6.80 , ≤ 6.6.* (semver) Unaffected: 6.12.17 , ≤ 6.12.* (semver) Unaffected: 6.13.5 , ≤ 6.13.* (semver) Unaffected: 6.14 , ≤ * (original_commit_for_fix) |
guessed | |
| Siemens | SIMATIC S7-1500 TM MFP - GNU/Linux subsystem |
Affected:
0 , < *
(custom)
|
guessed |
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"nvd": "{\"cve\":{\"id\":\"CVE-2025-21859\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2025-03-12T10:15:18.853\",\"lastModified\":\"2026-06-17T08:44:27.940\",\"vulnStatus\":\"Modified\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"In the Linux kernel, the following vulnerability has been resolved:\\n\\nUSB: gadget: f_midi: f_midi_complete to call queue_work\\n\\nWhen using USB MIDI, a lock is attempted to be acquired twice through a\\nre-entrant call to f_midi_transmit, causing a deadlock.\\n\\nFix it by using queue_work() to schedule the inner f_midi_transmit() via\\na high priority work queue from the completion handler.\"},{\"lang\":\"es\",\"value\":\"En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: USB: gadget: f_midi: f_midi_complete para llamar a queue_work. Al usar USB MIDI, se intenta adquirir un bloqueo dos veces mediante una llamada reentrante a f_midi_transmit, lo que provoca un bloqueo. Se soluciona usando queue_work() para programar la funci\u00f3n f_midi_transmit() interna mediante una cola de trabajo de alta prioridad desde el controlador de finalizaci\u00f3n.\"}],\"affected\":[{\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"affectedData\":[{\"vendor\":\"Linux\",\"product\":\"Linux\",\"defaultStatus\":\"unaffected\",\"programFiles\":[\"drivers/usb/gadget/function/f_midi.c\"],\"repo\":\"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\"versions\":[{\"version\":\"d5daf49b58661ec4af7a55b277176efbf945ca05\",\"lessThan\":\"727dee0857946b85232526de4f5a957fe163e89a\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"d5daf49b58661ec4af7a55b277176efbf945ca05\",\"lessThan\":\"1f10923404705a94891e612dff3b75e828a78368\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"d5daf49b58661ec4af7a55b277176efbf945ca05\",\"lessThan\":\"b09957657d7767d164b3432af2129bd72947553c\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"d5daf49b58661ec4af7a55b277176efbf945ca05\",\"lessThan\":\"24a942610ee9bafb2692a456ae850c5b2e409b05\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"d5daf49b58661ec4af7a55b277176efbf945ca05\",\"lessThan\":\"deeee3adb2c01eedab32c3b4519337689ad02e8a\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"d5daf49b58661ec4af7a55b277176efbf945ca05\",\"lessThan\":\"e9fec6f42c45db2f62dc373fb1a10d2488c04e79\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"d5daf49b58661ec4af7a55b277176efbf945ca05\",\"lessThan\":\"8aa6b4be1f4efccbfc533e6ec8841d26e4fa8dba\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"d5daf49b58661ec4af7a55b277176efbf945ca05\",\"lessThan\":\"4ab37fcb42832cdd3e9d5e50653285ca84d6686f\",\"versionType\":\"git\",\"status\":\"affected\"}]},{\"vendor\":\"Linux\",\"product\":\"Linux\",\"defaultStatus\":\"affected\",\"programFiles\":[\"drivers/usb/gadget/function/f_midi.c\"],\"repo\":\"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\"versions\":[{\"version\":\"3.2\",\"status\":\"affected\"},{\"version\":\"0\",\"lessThan\":\"3.2\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"5.4.291\",\"lessThanOrEqual\":\"5.4.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"5.10.235\",\"lessThanOrEqual\":\"5.10.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"5.15.179\",\"lessThanOrEqual\":\"5.15.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"6.1.130\",\"lessThanOrEqual\":\"6.1.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"6.6.80\",\"lessThanOrEqual\":\"6.6.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"6.12.17\",\"lessThanOrEqual\":\"6.12.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"6.13.5\",\"lessThanOrEqual\":\"6.13.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"6.14\",\"lessThanOrEqual\":\"*\",\"versionType\":\"original_commit_for_fix\",\"status\":\"unaffected\"}]}]},{\"source\":\"0b142b55-0307-4c5a-b3c9-f314f3fb7c5e\",\"affectedData\":[{\"vendor\":\"Siemens\",\"product\":\"SIMATIC S7-1500 TM MFP - 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"redhat_vex": {
"aggregate_severity": "Moderate",
"current_release_date": "2026-06-30T00:04:06+00:00",
"cve": "CVE-2025-21859",
"id": "CVE-2025-21859",
"initial_release_date": "2025-03-12T00:00:00+00:00",
"product_status:known_not_affected": "274",
"source": "Red Hat CSAF VEX",
"status": "final",
"title": "kernel: USB: gadget: f_midi: f_midi_complete to call queue_work",
"url": "https://security.access.redhat.com/data/csaf/v2/vex/2025/cve-2025-21859.json",
"version": "3"
},
"vulnrichment": {
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"cveMetadata": "{\"cveId\": \"CVE-2025-21859\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2026-05-12T12:04:07.233Z\", \"dateReserved\": \"2024-12-29T08:45:45.780Z\", \"assignerOrgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"datePublished\": \"2025-03-12T09:42:12.036Z\", \"assignerShortName\": \"Linux\"}",
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
}
}
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
model, served locally by ML-Gateway.
They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
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