CVE-2026-43387

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(\"staging: rtl8723bs: fix out-of-bounds\nread in rtw_get_ie() parser\"), we don't trust the data in the frame so\nwe should check the length better before acting on it"}, {"lang": "es", "value": "En el kernel de Linux, la siguiente vulnerabilidad ha sido resuelta:\n\nstaging: rtl8723bs: validar correctamente los datos en rtw_get_ie_ex()\n\nAl igual que en el commit 154828bf9559 (\u2019staging: rtl8723bs: corregir lectura fuera de l\u00edmites en el analizador rtw_get_ie()\u2019), no confiamos en los datos del frame, por lo que deber\u00edamos verificar mejor la longitud antes de actuar sobre ellos."}], "id": "CVE-2026-43387", "lastModified": "2026-11-11T20:10:00.273", "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": "2026-05-08T15:16:50.060", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/35969c3a208a07cb8642301df5869c34e2db7071"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/6d62fa548387e159a21ea95132c09bfc96d336ed"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/740bca8bbdb707c0e4bb11e3316deb2f04fc7ce1"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/8097a48c606a9306281ea7bd73bf2afc97553733"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": 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{"bugzilla": {"description": "kernel: staging: rtl8723bs: properly validate the data in rtw_get_ie_ex()", "id": "2468269", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2468269"}, "csaw": false, "cwe": "CWE-125", "details": ["A flaw was found in the Linux kernel's rtl8723bs Wi-Fi driver. This memory corruption vulnerability, specifically an out-of-bounds read, occurs because the driver does not properly validate the length of data in received network frames within the rtw_get_ie_ex() function. A remote attacker could exploit this by sending specially crafted frames, potentially leading to information disclosure or a denial of service."], "name": "CVE-2026-43387", "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": "2026-05-08T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-43387\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-43387\nhttps://lore.kernel.org/linux-cve-announce/2026050835-CVE-2026-43387-1719@gregkh/T"]}

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