CVE-2026-23363

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"En el kernel de Linux, la siguiente vulnerabilidad ha sido resuelta:\n\nwifi: mt76: mt7925: Corrige posible acceso fuera de l\u00edmites en mt7925_mac_write_txwi_80211()\n\nComprueba la longitud del frame antes de acceder a los campos mgmt en mt7925_mac_write_txwi_80211 para evitar un posible acceso fuera de l\u00edmites."}], "id": "CVE-2026-23363", "lastModified": "2026-11-05T22:18:17.337", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 7.1, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 5.2, "source": "nvd@nist.gov", "type": "Primary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-23363", "options": 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{"bugzilla": {"description": "kernel: wifi: mt76: mt7925: Fix possible oob access in mt7925_mac_write_txwi_80211()", "id": "2451163", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2451163"}, "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"}, "cwe": "CWE-805", "details": ["A flaw was found in the Linux kernel's mt76 wireless driver, specifically within the mt7925 component. This vulnerability arises from a failure to properly check the frame length before accessing management fields in the mt7925_mac_write_txwi_80211() function. An attacker could potentially exploit this to trigger an out-of-bounds memory access, which may lead to system instability or other unpredictable behavior."], "mitigation": {"lang": "en:us", "value": "To mitigate this issue, prevent the mt7925e or mt7925u module from being loaded. See https://access.redhat.com/solutions/41278 for instructions."}, "name": "CVE-2026-23363", "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": "2026-03-25T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-23363\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-23363\nhttps://lore.kernel.org/linux-cve-announce/2026032539-CVE-2026-23363-3e24@gregkh/T"], "statement": "This flaw affects systems with MediaTek MT7925 wireless adapters. The missing frame length check in mt7925_mac_write_txwi_80211() allows OOB access when processing malformed management frames. Exploitation requires the ability to inject crafted wireless frames, which may be possible over the air depending on the wireless configuration.", "threat_severity": "Moderate"}

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