CVE-2025-39746 (GCVE-0-2025-39746)
Vulnerability from cvelistv5 – Published: 2025-09-11 16:52 – Updated: 2026-05-11 21:35
VLAI
EPSS
VEX
Title
wifi: ath10k: shutdown driver when hardware is unreliable
Summary
In the Linux kernel, the following vulnerability has been resolved:
wifi: ath10k: shutdown driver when hardware is unreliable
In rare cases, ath10k may lose connection with the PCIe bus due to
some unknown reasons, which could further lead to system crashes during
resuming due to watchdog timeout:
ath10k_pci 0000:01:00.0: wmi command 20486 timeout, restarting hardware
ath10k_pci 0000:01:00.0: already restarting
ath10k_pci 0000:01:00.0: failed to stop WMI vdev 0: -11
ath10k_pci 0000:01:00.0: failed to stop vdev 0: -11
ieee80211 phy0: PM: **** DPM device timeout ****
Call Trace:
panic+0x125/0x315
dpm_watchdog_set+0x54/0x54
dpm_watchdog_handler+0x57/0x57
call_timer_fn+0x31/0x13c
At this point, all WMI commands will timeout and attempt to restart
device. So set a threshold for consecutive restart failures. If the
threshold is exceeded, consider the hardware is unreliable and all
ath10k operations should be skipped to avoid system crash.
fail_cont_count and pending_recovery are atomic variables, and
do not involve complex conditional logic. Therefore, even if recovery
check and reconfig complete are executed concurrently, the recovery
mechanism will not be broken.
Tested-on: QCA6174 hw3.2 PCI WLAN.RM.4.4.1-00288-QCARMSWPZ-1
Severity
5.5 (Medium)
Assigner
References
Impacted products
2 products
| Vendor | Product | Version | CPE status | |
|---|---|---|---|---|
| Linux | Linux |
Affected:
5e3dd157d7e70f0e3cea3f2573ed69fb156a19d5 , < 201c9b4485edc618863a60f97a2d88bddd139467
(git)
Affected: 5e3dd157d7e70f0e3cea3f2573ed69fb156a19d5 , < e36991bddf8be63e79659f654cdb1722db4e8132 (git) Affected: 5e3dd157d7e70f0e3cea3f2573ed69fb156a19d5 , < 84ca5632b8d05d1c2e25604d1d63434b2fb61c85 (git) Affected: 5e3dd157d7e70f0e3cea3f2573ed69fb156a19d5 , < c256a94d1b1b15109740306f7f2a7c2173e12072 (git) |
guessed | |
| Linux | Linux |
Affected:
3.11
Unaffected: 0 , < 3.11 (semver) Unaffected: 6.12.43 , ≤ 6.12.* (semver) Unaffected: 6.15.11 , ≤ 6.15.* (semver) Unaffected: 6.16.2 , ≤ 6.16.* (semver) Unaffected: 6.17 , ≤ * (original_commit_for_fix) |
guessed |
{
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"programFiles": [
"drivers/net/wireless/ath/ath10k/core.c",
"drivers/net/wireless/ath/ath10k/core.h",
"drivers/net/wireless/ath/ath10k/mac.c",
"drivers/net/wireless/ath/ath10k/wmi.c"
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"drivers/net/wireless/ath/ath10k/core.h",
"drivers/net/wireless/ath/ath10k/mac.c",
"drivers/net/wireless/ath/ath10k/wmi.c"
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"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
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{
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"version": "6.16.2",
"versionType": "semver"
},
{
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"status": "unaffected",
"version": "6.17",
"versionType": "original_commit_for_fix"
}
]
}
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"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: ath10k: shutdown driver when hardware is unreliable\n\nIn rare cases, ath10k may lose connection with the PCIe bus due to\nsome unknown reasons, which could further lead to system crashes during\nresuming due to watchdog timeout:\n\nath10k_pci 0000:01:00.0: wmi command 20486 timeout, restarting hardware\nath10k_pci 0000:01:00.0: already restarting\nath10k_pci 0000:01:00.0: failed to stop WMI vdev 0: -11\nath10k_pci 0000:01:00.0: failed to stop vdev 0: -11\nieee80211 phy0: PM: **** DPM device timeout ****\nCall Trace:\n panic+0x125/0x315\n dpm_watchdog_set+0x54/0x54\n dpm_watchdog_handler+0x57/0x57\n call_timer_fn+0x31/0x13c\n\nAt this point, all WMI commands will timeout and attempt to restart\ndevice. So set a threshold for consecutive restart failures. If the\nthreshold is exceeded, consider the hardware is unreliable and all\nath10k operations should be skipped to avoid system crash.\n\nfail_cont_count and pending_recovery are atomic variables, and\ndo not involve complex conditional logic. Therefore, even if recovery\ncheck and reconfig complete are executed concurrently, the recovery\nmechanism will not be broken.\n\nTested-on: QCA6174 hw3.2 PCI WLAN.RM.4.4.1-00288-QCARMSWPZ-1"
}
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},
{
"url": "https://git.kernel.org/stable/c/c256a94d1b1b15109740306f7f2a7c2173e12072"
}
],
"title": "wifi: ath10k: shutdown driver when hardware is unreliable",
"x_generator": {
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}
}
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"datePublished": "2025-09-11T16:52:19.112Z",
"dateReserved": "2025-04-16T07:20:57.121Z",
"dateUpdated": "2026-05-11T21:35:28.714Z",
"state": "PUBLISHED"
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"date": "2026-09-19",
"epss": "0.00155",
"percentile": "0.05097"
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"source": "Microsoft CSAF VEX",
"status": "final",
"title": "wifi: ath10k: shutdown driver when hardware is unreliable",
"url": "https://msrc.microsoft.com/csaf/vex/2025/msrc_cve-2025-39746.json",
"version": "19"
},
"nvd": {
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"product": "Linux",
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"drivers/net/wireless/ath/ath10k/core.h",
"drivers/net/wireless/ath/ath10k/mac.c",
"drivers/net/wireless/ath/ath10k/wmi.c"
],
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
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"drivers/net/wireless/ath/ath10k/core.h",
"drivers/net/wireless/ath/ath10k/mac.c",
"drivers/net/wireless/ath/ath10k/wmi.c"
],
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
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"versionType": "semver"
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{
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{
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"status": "unaffected",
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}
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"id": "CVE-2025-39746",
"lastModified": "2026-06-17T09:18:23.927",
"metrics": {
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"attackVector": "LOCAL",
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"baseScore": 5.5,
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"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"privilegesRequired": "LOW",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
"version": "3.1"
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"cve": "CVE-2025-39746",
"id": "CVE-2025-39746",
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"source": "Red Hat CSAF VEX",
"status": "final",
"title": "kernel: wifi: ath10k: shutdown driver when hardware is unreliable",
"url": "https://security.access.redhat.com/data/csaf/v2/vex/2025/cve-2025-39746.json",
"version": "3"
},
"suse_vex": {
"aggregate_severity": "moderate",
"current_release_date": "2026-09-12T16:48:02Z",
"cve": "CVE-2025-39746",
"id": "CVE-2025-39746",
"initial_release_date": "2025-09-12T23:24:29Z",
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"product_status:recommended": "678",
"source": "SUSE CSAF VEX",
"status": "interim",
"title": "SUSE CVE CVE-2025-39746",
"url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2025-39746.json",
"version": "47"
}
}
}
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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.
Browse all ATT&CK techniques and the vulnerabilities related to each.
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.
Browse all ATT&CK techniques and the vulnerabilities related to each.
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Related by attack behaviour
Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.
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