CVE-2022-49533

{"id": "CVE-2022-49533", "cveTags": [], "metrics": {"cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 5.5, "attackVector": "LOCAL", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "NONE"}, "impactScore": 3.6, "exploitabilityScore": 1.8}]}, "published": "2025-02-26T07:01:29.293", "references": [{"url": "https://git.kernel.org/stable/c/210505788f1d243232e21ef660efcd4838890ce8", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/50dc9ce9f80554a88e33b73c30851acf2be36ed3", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/ec5dfa1d66f2f71a48dab027d26a9fa78eb0f58f", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "NVD-CWE-noinfo"}]}], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nath11k: Change max no of active probe SSID and BSSID to fw capability\n\nThe maximum number of SSIDs in a for active probe requests is currently\nreported as 16 (WLAN_SCAN_PARAMS_MAX_SSID) when registering the driver.\nThe scan_req_params structure only has the capacity to hold 10 SSIDs.\nThis leads to a buffer overflow which can be triggered from\nwpa_supplicant in userspace. When copying the SSIDs into the\nscan_req_params structure in the ath11k_mac_op_hw_scan route, it can\noverwrite the extraie pointer.\n\nFirmware supports 16 ssid * 4 bssid, for each ssid 4 bssid combo probe\nrequest will be sent, so totally 64 probe requests supported. So\nset both max ssid and bssid to 16 and 4 respectively. Remove the\nredundant macros of ssid and bssid.\n\nTested-on: IPQ8074 hw2.0 AHB WLAN.HK.2.7.0.1-01300-QCAHKSWPL_SILICONZ-1"}, {"lang": "es", "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: ath11k: Cambiar el n\u00famero m\u00e1ximo de SSID y BSSID de sonda activa a capacidad fw El n\u00famero m\u00e1ximo de SSID en un para solicitudes de sonda activas se informa actualmente como 16 (WLAN_SCAN_PARAMS_MAX_SSID) al registrar el controlador. La estructura scan_req_params solo tiene la capacidad de contener 10 SSID. Esto conduce a un desbordamiento de b\u00fafer que puede activarse desde wpa_supplicant en el espacio de usuario. Al copiar los SSID en la estructura scan_req_params en la ruta ath11k_mac_op_hw_scan, puede sobrescribir el puntero extraie. El firmware admite 16 ssid * 4 bssid, para cada ssid se enviar\u00e1n 4 solicitudes de sonda combinadas bssid, por lo que se admiten 64 solicitudes de sonda en total. Por lo tanto, configure tanto el ssid m\u00e1ximo como el bssid en 16 y 4 respectivamente. Elimine las macros redundantes de ssid y bssid. Probado en: IPQ8074 hw2.0 AHB WLAN.HK.2.7.0.1-01300-QCAHKSWPL_SILICONZ-1"}], "lastModified": "2025-10-21T12:05:17.793", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "019AEBB8-39FD-460E-B6DE-86065EDC7F7F", "versionEndExcluding": "5.17.14", "versionStartIncluding": "5.6"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "8E122216-2E9E-4B3E-B7B8-D575A45BA3C2", "versionEndExcluding": "5.18.3", "versionStartIncluding": "5.18"}], "operator": "OR"}]}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}