CVE-2025-23129 (GCVE-0-2025-23129)
Vulnerability from cvelistv5 – Published: 2025-04-16 14:13 – Updated: 2026-09-14 11:57
VLAI
EPSS
VEX
Title
wifi: ath11k: Clear affinity hint before calling ath11k_pcic_free_irq() in error path
Summary
In the Linux kernel, the following vulnerability has been resolved:
wifi: ath11k: Clear affinity hint before calling ath11k_pcic_free_irq() in error path
If a shared IRQ is used by the driver due to platform limitation, then the
IRQ affinity hint is set right after the allocation of IRQ vectors in
ath11k_pci_alloc_msi(). This does no harm unless one of the functions
requesting the IRQ fails and attempt to free the IRQ. This results in the
below warning:
WARNING: CPU: 7 PID: 349 at kernel/irq/manage.c:1929 free_irq+0x278/0x29c
Call trace:
free_irq+0x278/0x29c
ath11k_pcic_free_irq+0x70/0x10c [ath11k]
ath11k_pci_probe+0x800/0x820 [ath11k_pci]
local_pci_probe+0x40/0xbc
The warning is due to not clearing the affinity hint before freeing the
IRQs.
So to fix this issue, clear the IRQ affinity hint before calling
ath11k_pcic_free_irq() in the error path. The affinity will be cleared once
again further down the error path due to code organization, but that does
no harm.
Tested-on: QCA6390 hw2.0 PCI WLAN.HST.1.0.1-05266-QCAHSTSWPLZ_V2_TO_X86-1
Severity
5.5 (Medium)
Assigner
References
Impacted products
2 products
| Vendor | Product | Version | CPE status | |
|---|---|---|---|---|
| Linux | Linux |
Affected:
e01b3400d641cb290742849331f0d22e1202538a , < 8d0519f511d93d675f61d6bfb45ffcc945af4b14
(git)
Affected: d412d0ef300f28d698648cc7c19147ab413251fe , < 7493b9baf0e54b44caae46715aaa409a84bd9f4b (git) Affected: 39564b475ac5a589e6c22c43a08cbd283c295d2c , < 80dc5a2ce5b75d648e08549617f5c555d07ae43c (git) Affected: 39564b475ac5a589e6c22c43a08cbd283c295d2c , < 3fc42cfcc6e336f25dee79b34e57c4a63cd652a5 (git) Affected: 39564b475ac5a589e6c22c43a08cbd283c295d2c , < 68410c5bd381a81bcc92b808e7dc4e6b9ed25d11 (git) Affected: 5a9f55efa9333e3edb4826d945cfdd8356f6e269 (git) Affected: 6.1.63 , < 6.1.188 (semver) Affected: 6.6.2 , < 6.6.157 (semver) Affected: 6.5.12 , < 6.6 (semver) |
guessed | |
| Linux | Linux |
Affected:
6.7
Unaffected: 0 , < 6.7 (semver) Unaffected: 6.1.188 , ≤ 6.1.* (semver) Unaffected: 6.6.157 , ≤ 6.6.* (semver) Unaffected: 6.12.59 , ≤ 6.12.* (semver) Unaffected: 6.14.2 , ≤ 6.14.* (semver) Unaffected: 6.15 , ≤ * (original_commit_for_fix) |
guessed |
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"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: ath11k: Clear affinity hint before calling ath11k_pcic_free_irq() in error path\n\nIf a shared IRQ is used by the driver due to platform limitation, then the\nIRQ affinity hint is set right after the allocation of IRQ vectors in\nath11k_pci_alloc_msi(). This does no harm unless one of the functions\nrequesting the IRQ fails and attempt to free the IRQ. This results in the\nbelow warning:\n\nWARNING: CPU: 7 PID: 349 at kernel/irq/manage.c:1929 free_irq+0x278/0x29c\nCall trace:\n free_irq+0x278/0x29c\n ath11k_pcic_free_irq+0x70/0x10c [ath11k]\n ath11k_pci_probe+0x800/0x820 [ath11k_pci]\n local_pci_probe+0x40/0xbc\n\nThe warning is due to not clearing the affinity hint before freeing the\nIRQs.\n\nSo to fix this issue, clear the IRQ affinity hint before calling\nath11k_pcic_free_irq() in the error path. The affinity will be cleared once\nagain further down the error path due to code organization, but that does\nno harm.\n\nTested-on: QCA6390 hw2.0 PCI WLAN.HST.1.0.1-05266-QCAHSTSWPLZ_V2_TO_X86-1"
}
],
"providerMetadata": {
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"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"shortName": "Linux"
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{
"url": "https://git.kernel.org/stable/c/7493b9baf0e54b44caae46715aaa409a84bd9f4b"
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{
"url": "https://git.kernel.org/stable/c/80dc5a2ce5b75d648e08549617f5c555d07ae43c"
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{
"url": "https://git.kernel.org/stable/c/3fc42cfcc6e336f25dee79b34e57c4a63cd652a5"
},
{
"url": "https://git.kernel.org/stable/c/68410c5bd381a81bcc92b808e7dc4e6b9ed25d11"
}
],
"title": "wifi: ath11k: Clear affinity hint before calling ath11k_pcic_free_irq() in error path",
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"datePublished": "2025-04-16T14:13:11.663Z",
"dateReserved": "2025-01-11T14:28:41.510Z",
"dateUpdated": "2026-09-14T11:57:57.901Z",
"state": "PUBLISHED"
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"date": "2026-09-22",
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"status": "final",
"title": "wifi: ath11k: Clear affinity hint before calling ath11k_pcic_free_irq() in error path",
"url": "https://msrc.microsoft.com/csaf/vex/2025/msrc_cve-2025-23129.json",
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"configurations": [
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"descriptions": [
{
"lang": "en",
"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: ath11k: Clear affinity hint before calling ath11k_pcic_free_irq() in error path\n\nIf a shared IRQ is used by the driver due to platform limitation, then the\nIRQ affinity hint is set right after the allocation of IRQ vectors in\nath11k_pci_alloc_msi(). This does no harm unless one of the functions\nrequesting the IRQ fails and attempt to free the IRQ. This results in the\nbelow warning:\n\nWARNING: CPU: 7 PID: 349 at kernel/irq/manage.c:1929 free_irq+0x278/0x29c\nCall trace:\n free_irq+0x278/0x29c\n ath11k_pcic_free_irq+0x70/0x10c [ath11k]\n ath11k_pci_probe+0x800/0x820 [ath11k_pci]\n local_pci_probe+0x40/0xbc\n\nThe warning is due to not clearing the affinity hint before freeing the\nIRQs.\n\nSo to fix this issue, clear the IRQ affinity hint before calling\nath11k_pcic_free_irq() in the error path. The affinity will be cleared once\nagain further down the error path due to code organization, but that does\nno harm.\n\nTested-on: QCA6390 hw2.0 PCI WLAN.HST.1.0.1-05266-QCAHSTSWPLZ_V2_TO_X86-1"
},
{
"lang": "es",
"value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: wifi: ath11k: Borrar la indicaci\u00f3n de afinidad antes de llamar a ath11k_pcic_free_irq() en la ruta de error. Si el controlador utiliza una IRQ compartida debido a una limitaci\u00f3n de la plataforma, la indicaci\u00f3n de afinidad de IRQ se establece justo despu\u00e9s de la asignaci\u00f3n de vectores IRQ en ath11k_pci_alloc_msi(). Esto no causa ning\u00fan problema a menos que una de las funciones que solicita la IRQ falle e intente liberarla. Esto da como resultado la siguiente advertencia: ADVERTENCIA: CPU: 7 PID: 349 en kernel/irq/manage.c:1929 free_irq+0x278/0x29c Rastreo de llamadas: free_irq+0x278/0x29c ath11k_pcic_free_irq+0x70/0x10c [ath11k] ath11k_pci_probe+0x800/0x820 [ath11k_pci] local_pci_probe+0x40/0xbc La advertencia se debe a que no se borra la sugerencia de afinidad antes de liberar las IRQ. Por lo tanto, para solucionar este problema, borre la sugerencia de afinidad de IRQ antes de llamar a ath11k_pcic_free_irq() en la ruta de error. La afinidad se borrar\u00e1 una vez m\u00e1s m\u00e1s adelante en la ruta de error debido a la organizaci\u00f3n del c\u00f3digo, pero eso no hace da\u00f1o. Probado en: QCA6390 hw2.0 PCI WLAN.HST.1.0.1-05266-QCAHSTSWPLZ_V2_TO_X86-1"
}
],
"id": "CVE-2025-23129",
"lastModified": "2026-09-14T12:17:35.680",
"metrics": {
"cvssMetricV31": [
{
"cvssData": {
"attackComplexity": "LOW",
"attackVector": "LOCAL",
"availabilityImpact": "HIGH",
"baseScore": 5.5,
"baseSeverity": "MEDIUM",
"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"
},
"exploitabilityScore": 1.8,
"impactScore": 3.6,
"source": "nvd@nist.gov",
"type": "Primary"
}
]
},
"published": "2025-04-16T15:16:07.373",
"references": [
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"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"tags": [
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"url": "https://git.kernel.org/stable/c/8d0519f511d93d675f61d6bfb45ffcc945af4b14"
}
],
"sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"vulnStatus": "Modified",
"weaknesses": [
{
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{
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"value": "NVD-CWE-noinfo"
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]
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},
"redhat_vex": {
"aggregate_severity": "Low",
"current_release_date": "2026-06-30T10:18:31+00:00",
"cve": "CVE-2025-23129",
"id": "CVE-2025-23129",
"initial_release_date": "2025-04-16T00:00:00+00:00",
"product_status:fixed": "612",
"product_status:known_affected": "22",
"product_status:known_not_affected": "90",
"source": "Red Hat CSAF VEX",
"status": "final",
"title": "kernel: wifi: ath11k: Clear affinity hint before calling ath11k_pcic_free_irq() in error path",
"url": "https://security.access.redhat.com/data/csaf/v2/vex/2025/cve-2025-23129.json",
"version": "3"
}
}
}
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|---|
Nomenclature
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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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