CVE-2025-38009

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Disable tx napi before\ndeleting it in mt76_dma_cleanup().\n\n WARNING: CPU: 4 PID: 18828 at net/core/dev.c:7288 __netif_napi_del_locked+0xf0/0x100\n CPU: 4 UID: 0 PID: 18828 Comm: modprobe Not tainted 6.15.0-rc4 #4 PREEMPT(lazy)\n Hardware name: ASUS System Product Name/PRIME X670E-PRO WIFI, BIOS 3035 09/05/2024\n RIP: 0010:__netif_napi_del_locked+0xf0/0x100\n Call Trace:\n <TASK>\n mt76_dma_cleanup+0x54/0x2f0 [mt76]\n mt7921_pci_remove+0xd5/0x190 [mt7921e]\n pci_device_remove+0x47/0xc0\n device_release_driver_internal+0x19e/0x200\n driver_detach+0x48/0x90\n bus_remove_driver+0x6d/0xf0\n pci_unregister_driver+0x2e/0xb0\n __do_sys_delete_module.isra.0+0x197/0x2e0\n do_syscall_64+0x7b/0x160\n entry_SYSCALL_64_after_hwframe+0x76/0x7e\n\nTested with mt7921e but the same pattern can be actually applied to other\nmt76 drivers calling mt76_dma_cleanup() during removal. Tx napi is enabled\nin their *_dma_init() functions and only toggled off and on again inside\ntheir suspend/resume/reset paths. So it should be okay to disable tx\nnapi in such a generic way.\n\nFound by Linux Verification Center (linuxtesting.org)."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/net/wireless/mediatek/mt76/dma.c"], "versions": [{"version": "2ac515a5d74f26963362d5da9589c67ca3663338", "lessThan": "ff0f820fa5b99035b3c654dd531226d8d83aec5f", "status": "affected", "versionType": "git"}, {"version": "2ac515a5d74f26963362d5da9589c67ca3663338", "lessThan": "ca5b213bf4b4224335a8131a26805d16503fca5f", "status": "affected", "versionType": "git"}, {"version": "2ac515a5d74f26963362d5da9589c67ca3663338", "lessThan": "b892e830d1ea8c5475254b98827771f7366f1039", "status": "affected", "versionType": "git"}, {"version": "2ac515a5d74f26963362d5da9589c67ca3663338", "lessThan": "5e700b06b970fc19e3a1ecb244e14785f3fbb8e3", "status": "affected", "versionType": "git"}, {"version": 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Disable tx napi before\ndeleting it in mt76_dma_cleanup().\n\n WARNING: CPU: 4 PID: 18828 at net/core/dev.c:7288 __netif_napi_del_locked+0xf0/0x100\n CPU: 4 UID: 0 PID: 18828 Comm: modprobe Not tainted 6.15.0-rc4 #4 PREEMPT(lazy)\n Hardware name: ASUS System Product Name/PRIME X670E-PRO WIFI, BIOS 3035 09/05/2024\n RIP: 0010:__netif_napi_del_locked+0xf0/0x100\n Call Trace:\n <TASK>\n mt76_dma_cleanup+0x54/0x2f0 [mt76]\n mt7921_pci_remove+0xd5/0x190 [mt7921e]\n pci_device_remove+0x47/0xc0\n device_release_driver_internal+0x19e/0x200\n driver_detach+0x48/0x90\n bus_remove_driver+0x6d/0xf0\n pci_unregister_driver+0x2e/0xb0\n __do_sys_delete_module.isra.0+0x197/0x2e0\n do_syscall_64+0x7b/0x160\n entry_SYSCALL_64_after_hwframe+0x76/0x7e\n\nTested with mt7921e but the same pattern can be actually applied to other\nmt76 drivers calling mt76_dma_cleanup() during removal. Tx napi is enabled\nin their *_dma_init() functions and only toggled off and on again inside\ntheir suspend/resume/reset paths. So it should be okay to disable tx\nnapi in such a generic way.\n\nFound by Linux Verification Center (linuxtesting.org)."}], "cpeApplicability": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "5.10.238", "versionStartIncluding": "5.2"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "5.15.184", "versionStartIncluding": "5.2"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "6.1.140", "versionStartIncluding": "5.2"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "6.6.92", "versionStartIncluding": "5.2"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "6.12.30", "versionStartIncluding": "5.2"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "6.14.8", "versionStartIncluding": "5.2"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "6.15", "versionStartIncluding": "5.2"}], "operator": "OR"}]}], "providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-05-11T21:19:32.973Z"}}}, "cveMetadata": {"cveId": "CVE-2025-38009", "state": "PUBLISHED", "dateUpdated": "2026-11-05T20:52:11.851Z", "dateReserved": "2025-04-16T04:51:23.977Z", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "datePublished": "2025-06-18T09:28:20.068Z", "assignerShortName": "Linux"}, "dataVersion": "5.2"}

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[{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: mt76: disable napi on driver removal\n\nA warning on driver removal started occurring after commit 9dd05df8403b\n(\"net: warn if NAPI instance wasn't shut down\"). Disable tx napi before\ndeleting it in mt76_dma_cleanup().\n\n WARNING: CPU: 4 PID: 18828 at net/core/dev.c:7288 __netif_napi_del_locked+0xf0/0x100\n CPU: 4 UID: 0 PID: 18828 Comm: modprobe Not tainted 6.15.0-rc4 #4 PREEMPT(lazy)\n Hardware name: ASUS System Product Name/PRIME X670E-PRO WIFI, BIOS 3035 09/05/2024\n RIP: 0010:__netif_napi_del_locked+0xf0/0x100\n Call Trace:\n <TASK>\n mt76_dma_cleanup+0x54/0x2f0 [mt76]\n mt7921_pci_remove+0xd5/0x190 [mt7921e]\n pci_device_remove+0x47/0xc0\n device_release_driver_internal+0x19e/0x200\n driver_detach+0x48/0x90\n bus_remove_driver+0x6d/0xf0\n pci_unregister_driver+0x2e/0xb0\n __do_sys_delete_module.isra.0+0x197/0x2e0\n do_syscall_64+0x7b/0x160\n entry_SYSCALL_64_after_hwframe+0x76/0x7e\n\nTested with mt7921e but the same pattern can be actually applied to other\nmt76 drivers calling mt76_dma_cleanup() during removal. Tx napi is enabled\nin their *_dma_init() functions and only toggled off and on again inside\ntheir suspend/resume/reset paths. So it should be okay to disable tx\nnapi in such a generic way.\n\nFound by Linux Verification Center (linuxtesting.org)."}, {"lang": "es", "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: wifi: mt76: deshabilitar NAPI al eliminar el controlador. Una advertencia al eliminar el controlador comenz\u00f3 a aparecer despu\u00e9s de el commit 9dd05df8403b (\"net: advertir si la instancia de NAPI no se apag\u00f3\"). Desactive la transacci\u00f3n NAPI antes de eliminarla en mt76_dma_cleanup(). ADVERTENCIA: CPU: 4 PID: 18828 en net/core/dev.c:7288 __netif_napi_del_locked+0xf0/0x100 CPU: 4 UID: 0 PID: 18828 Comm: modprobe No contaminado 6.15.0-rc4 #4 PREEMPT(lazy) Nombre del hardware: Nombre del producto del sistema ASUS/PRIME X670E-PRO WIFI, BIOS 3035 09/05/2024 RIP: 0010:__netif_napi_del_locked+0xf0/0x100 Rastreo de llamadas: mt76_dma_cleanup+0x54/0x2f0 [mt76] mt7921_pci_remove+0xd5/0x190 [mt7921e] pci_device_remove+0x47/0xc0 device_release_driver_internal+0x19e/0x200 driver_detach+0x48/0x90 bus_remove_driver+0x6d/0xf0 pci_unregister_driver+0x2e/0xb0 __do_sys_delete_module.isra.0+0x197/0x2e0 do_syscall_64+0x7b/0x160 entry_SYSCALL_64_after_hwframe+0x76/0x7e Se prob\u00f3 con mt7921e, pero el mismo patr\u00f3n se puede aplicar a otros controladores mt76 que invoquen mt76_dma_cleanup() durante la eliminaci\u00f3n. Tx napi est\u00e1 habilitado en sus funciones *_dma_init() y solo se activa y desactiva dentro de sus rutas de suspensi\u00f3n/reinicio/reinicio. Por lo tanto, deber\u00eda ser aceptable deshabilitar tx napi de forma gen\u00e9rica. Encontrado por el Centro de Verificaci\u00f3n de Linux (linuxtesting.org)."}], "id": "CVE-2025-38009", "lastModified": "2026-11-05T21:18:02.150", "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"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2025-38009", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2026-11-05T20:47:51.039147Z", "version": "2.0.3"}}]}, "published": "2025-06-18T10:15:32.160", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/2b81e76db3667d1f7f2ad44e9835cdaf8dea95a8"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/5e700b06b970fc19e3a1ecb244e14785f3fbb8e3"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/78ab4be549533432d97ea8989d2f00b508fa68d8"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/b892e830d1ea8c5475254b98827771f7366f1039"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/ca5b213bf4b4224335a8131a26805d16503fca5f"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/e7bfbda5fddd27f3158e723d641c0fcdfb0552a7"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/ff0f820fa5b99035b3c654dd531226d8d83aec5f"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://lists.debian.org/debian-lts-announce/2025/08/msg00010.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://lists.debian.org/debian-lts-announce/2025/10/msg00007.html"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "NVD-CWE-noinfo"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"bugzilla": {"description": "kernel: wifi: mt76: disable napi on driver removal", "id": "2373391", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2373391"}, "csaw": false, "cvss3": {"cvss3_base_score": "4.7", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H", "status": "draft"}, "cwe": "CWE-20", "details": ["In the Linux kernel, the following vulnerability has been resolved:\nwifi: mt76: disable napi on driver removal\nA warning on driver removal started occurring after commit 9dd05df8403b\n(\"net: warn if NAPI instance wasn't shut down\"). Disable tx napi before\ndeleting it in mt76_dma_cleanup().\nWARNING: CPU: 4 PID: 18828 at net/core/dev.c:7288 __netif_napi_del_locked+0xf0/0x100\nCPU: 4 UID: 0 PID: 18828 Comm: modprobe Not tainted 6.15.0-rc4 #4 PREEMPT(lazy)\nHardware name: ASUS System Product Name/PRIME X670E-PRO WIFI, BIOS 3035 09/05/2024\nRIP: 0010:__netif_napi_del_locked+0xf0/0x100\nCall Trace:\n<TASK>\nmt76_dma_cleanup+0x54/0x2f0 [mt76]\nmt7921_pci_remove+0xd5/0x190 [mt7921e]\npci_device_remove+0x47/0xc0\ndevice_release_driver_internal+0x19e/0x200\ndriver_detach+0x48/0x90\nbus_remove_driver+0x6d/0xf0\npci_unregister_driver+0x2e/0xb0\n__do_sys_delete_module.isra.0+0x197/0x2e0\ndo_syscall_64+0x7b/0x160\nentry_SYSCALL_64_after_hwframe+0x76/0x7e\nTested with mt7921e but the same pattern can be actually applied to other\nmt76 drivers calling mt76_dma_cleanup() during removal. Tx napi is enabled\nin their *_dma_init() functions and only toggled off and on again inside\ntheir suspend/resume/reset paths. So it should be okay to disable tx\nnapi in such a generic way.\nFound by Linux Verification Center (linuxtesting.org)."], "name": "CVE-2025-38009", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Fix deferred", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Fix deferred", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Fix deferred", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2025-06-18T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2025-38009\nhttps://nvd.nist.gov/vuln/detail/CVE-2025-38009\nhttps://lore.kernel.org/linux-cve-announce/2025061842-CVE-2025-38009-8043@gregkh/T"], "threat_severity": "Low"}

{"created": "2025-06-23T08:53:47.671866+00:00", "updated": "2025-06-23T08:53:47.671978+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"]}