CVE-2025-39862

In the Linux kernel, the following vulnerability has been resolved: wifi: mt76: mt7915: fix list corruption after hardware restart Since stations are recreated from scratch, all lists that wcids are added to must be cleared before calling ieee80211_restart_hw. Set wcid->sta = 0 for each wcid entry in order to ensure that they are not added again before they are ready.

CVSS v3 8.8 HIGH

8.8^/10

CVSS v3 : HIGH

Vector :

Exploitability : 2.8 / Impact : 5.9

Attack Vector ADJACENT_NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://git.kernel.org/stable/c/065c79df595af21d6d1b27d642860faa1d938774	Patch
https://git.kernel.org/stable/c/6826728f9fd7e7db57cd9647932eea47cbc645c6
https://git.kernel.org/stable/c/6d40c15d70c2dba2f68dd50e452255bfa1b016f0
https://git.kernel.org/stable/c/8fa8eb52bc2eb08d93202863b5fc478e0bebc00c	Patch

Configurations

Configuration 1 (hide)

OR	cpe:2.3:o:linux:linux_kernel::::::::
	cpe:2.3:o:linux:linux_kernel:6.17:rc1::::::
	cpe:2.3:o:linux:linux_kernel:6.17:rc2::::::
	cpe:2.3:o:linux:linux_kernel:6.17:rc3::::::
	cpe:2.3:o:linux:linux_kernel:6.17:rc4::::::

History

21 Oct 2026, 13:18

Type	Values Removed	Values Added
References		() https://git.kernel.org/stable/c/6826728f9fd7e7db57cd9647932eea47cbc645c6 - () https://git.kernel.org/stable/c/6d40c15d70c2dba2f68dd50e452255bfa1b016f0 -

19 Oct 2026, 21:10

Type	Values Removed	Values Added
Summary		(es) En el kernel de Linux, la siguiente vulnerabilidad ha sido resuelta: wifi: mt76: mt7915: corregir corrupción de lista después de reinicio de hardware Dado que las estaciones se recrean desde cero, todas las listas a las que se añaden los wcids deben ser limpiadas antes de llamar a ieee80211_restart_hw. Establecer wcid->sta = 0 para cada entrada de wcid para asegurar que no se añadan de nuevo antes de que estén listas.

Information

Published : 2025-09-19 16:15

Updated : 2026-10-21 13:18

NVD link : CVE-2025-39862

Mitre link : CVE-2025-39862

CVE.ORG link : CVE-2025-39862

JSON object : View

Products Affected

linux

linux_kernel

CWE

CWE-787

Out-of-bounds Write

{"id": "CVE-2025-39862", "cveTags": [], "metrics": {"ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2025-39862", "role": "CISA Coordinator", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "total"}], "version": "2.0.3", "timestamp": "2026-01-14T19:23:35.908171Z"}}], "cvssMetricV31": [{"type": "Secondary", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 8.8, "attackVector": "ADJACENT_NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 2.8}, {"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.8, "attackVector": "LOCAL", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 1.8}, {"type": "Secondary", "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.8, "attackVector": "LOCAL", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 1.8}]}, "affected": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "affectedData": [{"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "product": "Linux", "versions": [{"status": "affected", "version": "8a55712d124fd8a919e8a69b70643e1a97280b4b", "lessThan": "6d40c15d70c2dba2f68dd50e452255bfa1b016f0", "versionType": "git"}, {"status": "affected", "version": "8a55712d124fd8a919e8a69b70643e1a97280b4b", "lessThan": "6826728f9fd7e7db57cd9647932eea47cbc645c6", "versionType": "git"}, {"status": "affected", "version": "8a55712d124fd8a919e8a69b70643e1a97280b4b", "lessThan": "8fa8eb52bc2eb08d93202863b5fc478e0bebc00c", "versionType": "git"}, {"status": "affected", "version": "8a55712d124fd8a919e8a69b70643e1a97280b4b", "lessThan": "065c79df595af21d6d1b27d642860faa1d938774", "versionType": "git"}, {"status": "affected", "version": "3a931ebf67b89316c3b5bed2dca4479dd6f85803", "versionType": "git"}, {"status": "affected", "version": "6.1.188", "lessThan": "6.2", "versionType": "semver"}], "programFiles": ["drivers/net/wireless/mediatek/mt76/mac80211.c", "drivers/net/wireless/mediatek/mt76/mt76.h", "drivers/net/wireless/mediatek/mt76/mt7915/mac.c"], "defaultStatus": "unaffected"}, {"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "product": "Linux", "versions": [{"status": "affected", "version": "6.2"}, {"status": "unaffected", "version": "0", "lessThan": "6.2", "versionType": "semver"}, {"status": "unaffected", "version": "6.6.160", "versionType": "semver", "lessThanOrEqual": "6.6.*"}, {"status": "unaffected", "version": "6.12.114", "versionType": "semver", "lessThanOrEqual": "6.12.*"}, {"status": "unaffected", "version": "6.16.6", "versionType": "semver", "lessThanOrEqual": "6.16.*"}, {"status": "unaffected", "version": "6.17", "versionType": "original_commit_for_fix", "lessThanOrEqual": "*"}], "programFiles": ["drivers/net/wireless/mediatek/mt76/mac80211.c", "drivers/net/wireless/mediatek/mt76/mt76.h", "drivers/net/wireless/mediatek/mt76/mt7915/mac.c"], "defaultStatus": "affected"}]}], "published": "2025-09-19T16:15:45.203", "references": [{"url": "https://git.kernel.org/stable/c/065c79df595af21d6d1b27d642860faa1d938774", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/6826728f9fd7e7db57cd9647932eea47cbc645c6", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/6d40c15d70c2dba2f68dd50e452255bfa1b016f0", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/8fa8eb52bc2eb08d93202863b5fc478e0bebc00c", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}], "vulnStatus": "Modified", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-787"}]}, {"type": "Secondary", "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "description": [{"lang": "en", "value": "CWE-787"}]}], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: mt76: mt7915: fix list corruption after hardware restart\n\nSince stations are recreated from scratch, all lists that wcids are added\nto must be cleared before calling ieee80211_restart_hw.\nSet wcid->sta = 0 for each wcid entry in order to ensure that they are\nnot added again before they are ready."}, {"lang": "es", "value": "En el kernel de Linux, la siguiente vulnerabilidad ha sido resuelta:\n\nwifi: mt76: mt7915: corregir corrupci\u00f3n de lista despu\u00e9s de reinicio de hardware\n\nDado que las estaciones se recrean desde cero, todas las listas a las que se a\u00f1aden los wcids deben ser limpiadas antes de llamar a ieee80211_restart_hw.\nEstablecer wcid->sta = 0 para cada entrada de wcid para asegurar que no se a\u00f1adan de nuevo antes de que est\u00e9n listas."}], "lastModified": "2026-10-21T13:18:15.807", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "5168BF05-F0B1-42FB-AF1F-A1DFBFFE980C", "versionEndExcluding": "6.16.6", "versionStartIncluding": "6.2"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.17:rc1:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "327D22EF-390B-454C-BD31-2ED23C998A1C"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.17:rc2:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "C730CD9A-D969-4A8E-9522-162AAF7C0EE9"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.17:rc3:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "39982C4B-716E-4B2F-8196-FA301F47807D"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.17:rc4:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "340BEEA9-D70D-4290-B502-FBB1032353B1"}], "operator": "OR"}]}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}