{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2025-38156", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2025-04-16T04:51:23.990Z", "datePublished": "2025-07-03T08:35:58.950Z", "dateUpdated": "2026-05-11T21:22:20.720Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-05-11T21:22:20.720Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: mt76: mt7996: Fix null-ptr-deref in mt7996_mmio_wed_init()\n\ndevm_ioremap() returns NULL on error. Currently, mt7996_mmio_wed_init()\ndoes not check for this case, which results in a NULL pointer\ndereference.\n\nPrevent null pointer dereference in mt7996_mmio_wed_init()"}], "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/mt7996/mmio.c"], "versions": [{"version": "83eafc9251d6d30574b629ac637c56d168fcbdd9", "lessThan": "1072fc0ca1f8d0d5397d24853386876f937b8e63", "status": "affected", "versionType": "git"}, {"version": "83eafc9251d6d30574b629ac637c56d168fcbdd9", "lessThan": "af861c6dea2ef06845a5c7672999a06c06099735", "status": "affected", "versionType": "git"}, {"version": "83eafc9251d6d30574b629ac637c56d168fcbdd9", "lessThan": "8f30e2b059757d8711a823e4c9c023db62a1d171", "status": "affected", "versionType": "git"}]}, {"product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/net/wireless/mediatek/mt76/mt7996/mmio.c"], "versions": [{"version": "6.8", "status": "affected"}, {"version": "0", "lessThan": "6.8", "status": "unaffected", "versionType": "semver"}, {"version": "6.12.34", "lessThanOrEqual": "6.12.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.15.3", "lessThanOrEqual": "6.15.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.16", "lessThanOrEqual": "*", "status": "unaffected", "versionType": "original_commit_for_fix"}]}], "cpeApplicability": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.8", "versionEndExcluding": "6.12.34"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.8", "versionEndExcluding": "6.15.3"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.8", "versionEndExcluding": "6.16"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/1072fc0ca1f8d0d5397d24853386876f937b8e63"}, {"url": "https://git.kernel.org/stable/c/af861c6dea2ef06845a5c7672999a06c06099735"}, {"url": "https://git.kernel.org/stable/c/8f30e2b059757d8711a823e4c9c023db62a1d171"}], "title": "wifi: mt76: mt7996: Fix null-ptr-deref in mt7996_mmio_wed_init()", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "15BC1D57-68F1-439E-BE58-136CEB32896A", "versionEndExcluding": "6.12.34", "versionStartIncluding": "6.8", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "0541C761-BD5E-4C1A-8432-83B375D7EB92", "versionEndExcluding": "6.15.3", "versionStartIncluding": "6.13", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: mt76: mt7996: Fix null-ptr-deref in mt7996_mmio_wed_init()\n\ndevm_ioremap() returns NULL on error. Currently, mt7996_mmio_wed_init()\ndoes not check for this case, which results in a NULL pointer\ndereference.\n\nPrevent null pointer dereference in mt7996_mmio_wed_init()"}, {"lang": "es", "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: wifi: mt76: mt7996: Se ha corregido la vulnerabilidad null-ptr-deref en mt7996_mmio_wed_init(). Devm_ioremap() devuelve NULL en caso de error. Actualmente, mt7996_mmio_wed_init() no verifica este caso, lo que resulta en una desreferencia de puntero NULL. Evitar la desreferencia de puntero NULL en mt7996_mmio_wed_init()."}], "id": "CVE-2025-38156", "lastModified": "2025-11-20T20:13:31.493", "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": "2025-07-03T09:15:30.620", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/1072fc0ca1f8d0d5397d24853386876f937b8e63"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/8f30e2b059757d8711a823e4c9c023db62a1d171"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/af861c6dea2ef06845a5c7672999a06c06099735"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-476"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"bugzilla": {"description": "kernel: wifi: mt76: mt7996: Fix null-ptr-deref in mt7996_mmio_wed_init()", "id": "2376069", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2376069"}, "csaw": false, "cvss3": {"cvss3_base_score": "5.5", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "status": "draft"}, "details": ["In the Linux kernel, the following vulnerability has been resolved:\nwifi: mt76: mt7996: Fix null-ptr-deref in mt7996_mmio_wed_init()\ndevm_ioremap() returns NULL on error. Currently, mt7996_mmio_wed_init()\ndoes not check for this case, which results in a NULL pointer\ndereference.\nPrevent null pointer dereference in mt7996_mmio_wed_init()"], "name": "CVE-2025-38156", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Not affected", "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": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2025-07-03T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2025-38156\nhttps://nvd.nist.gov/vuln/detail/CVE-2025-38156\nhttps://lore.kernel.org/linux-cve-announce/2025070338-CVE-2025-38156-d23e@gregkh/T"], "threat_severity": "Moderate"}

{"created": "2025-07-06T22:16:20.843023+00:00", "updated": "2025-07-06T22:16:20.843068+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"]}