CVE-2022-49533

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2022-49533", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2025-02-26T02:08:31.589Z", "datePublished": "2025-02-26T02:13:52.495Z", "dateUpdated": "2026-08-05T08:55:28.982Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-08-05T08:55:28.982Z"}, "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"}], "metrics": [{"cvssV3_1": {"version": "3.1", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "baseScore": 7.8, "baseSeverity": "HIGH"}, "scenarios": [{"lang": "en", "value": "AV:L - The bug is reached via NL80211_CMD_TRIGGER_SCAN (netlink) into mac80211 drv_hw_scan \u2192 ath11k_mac_op_hw_scan; it is not triggered by received Wi\u2011Fi frames or a remote protocol.\nAC:L - An attacker who can issue a scan reliably triggers the overflow by supplying 11\u201316 SSIDs (allowed by advertised max_scan_ssids=16) with fully controlled 32-byte SSID contents; no race or unpredictable state is required.\nPR:L - TRIGGER_SCAN uses GENL_UNS_ADMIN_PERM (CAP_NET_ADMIN in the netns user_ns), which is obtainable as a low-privilege capability in common deployments (wpa_supplicant/NetworkManager, Android Wi\u2011Fi scan paths), not full root-only init-namespace admin.\nUI:N - Exploitation requires only attacker-initiated scan netlink requests with crafted SSID lists; no separate victim action is needed.\nS:U - Impact is confined to the host kernel/driver authority; there is no VM, IOMMU, or other security-boundary escape.\nC:H - Overflow of ssid[12] overwrites extraie.len/ptr with attacker-controlled bytes, and ath11k_wmi_send_scan_start_cmd then memcpy()s from that pointer, yielding an arbitrary kernel read primitive.\nI:H - This is an attacker-controlled out-of-bounds write that corrupts extraie.ptr; with a supplied IE, cleanup kfree()s the corrupted pointer (arbitrary free), enabling heap exploitation and control-flow hijacking.\nA:H - Dereferencing or freeing the corrupted extraie pointer causes kernel oops/panic, and the same path can force large/invalid allocations or crashes during WMI command build."}]}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/net/wireless/ath/ath11k/wmi.h"], "versions": [{"version": "d5c65159f2895379e11ca13f62feabe93278985d", "lessThan": "210505788f1d243232e21ef660efcd4838890ce8", "status": "affected", "versionType": "git"}, {"version": "d5c65159f2895379e11ca13f62feabe93278985d", "lessThan": "ec5dfa1d66f2f71a48dab027d26a9fa78eb0f58f", "status": "affected", "versionType": "git"}, {"version": "d5c65159f2895379e11ca13f62feabe93278985d", "lessThan": "50dc9ce9f80554a88e33b73c30851acf2be36ed3", "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/ath/ath11k/wmi.h"], "versions": [{"version": "5.6", "status": "affected"}, {"version": "0", "lessThan": "5.6", "status": "unaffected", "versionType": "semver"}, {"version": "5.17.14", "lessThanOrEqual": "5.17.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.18.3", "lessThanOrEqual": "5.18.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.19", "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": "5.6", "versionEndExcluding": "5.17.14"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.6", "versionEndExcluding": "5.18.3"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.6", "versionEndExcluding": "5.19"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/210505788f1d243232e21ef660efcd4838890ce8"}, {"url": "https://git.kernel.org/stable/c/ec5dfa1d66f2f71a48dab027d26a9fa78eb0f58f"}, {"url": "https://git.kernel.org/stable/c/50dc9ce9f80554a88e33b73c30851acf2be36ed3"}], "title": "ath11k: Change max no of active probe SSID and BSSID to fw capability", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Linux", "programFiles": ["drivers/net/wireless/ath/ath11k/wmi.h"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"lessThan": "210505788f1d243232e21ef660efcd4838890ce8", "status": "affected", "version": "d5c65159f2895379e11ca13f62feabe93278985d", "versionType": "git"}, {"lessThan": "ec5dfa1d66f2f71a48dab027d26a9fa78eb0f58f", "status": "affected", "version": "d5c65159f2895379e11ca13f62feabe93278985d", "versionType": "git"}, {"lessThan": "50dc9ce9f80554a88e33b73c30851acf2be36ed3", "status": "affected", "version": "d5c65159f2895379e11ca13f62feabe93278985d", "versionType": "git"}]}, {"defaultStatus": "affected", "product": "Linux", "programFiles": ["drivers/net/wireless/ath/ath11k/wmi.h"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"status": "affected", "version": "5.6"}, {"lessThan": "5.6", "status": "unaffected", "version": "0", "versionType": "semver"}, {"lessThanOrEqual": "5.17.*", "status": "unaffected", "version": "5.17.14", "versionType": "semver"}, {"lessThanOrEqual": "5.18.*", "status": "unaffected", "version": "5.18.3", "versionType": "semver"}, {"lessThanOrEqual": "*", "status": "unaffected", "version": "5.19", "versionType": "original_commit_for_fix"}]}], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "019AEBB8-39FD-460E-B6DE-86065EDC7F7F", "versionEndExcluding": "5.17.14", "versionStartIncluding": "5.6", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "8E122216-2E9E-4B3E-B7B8-D575A45BA3C2", "versionEndExcluding": "5.18.3", "versionStartIncluding": "5.18", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "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"}], "id": "CVE-2022-49533", "lastModified": "2026-08-04T10:17:50.480", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 7.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 5.9, "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "type": "Secondary"}, {"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": "2025-02-26T07:01:29.293", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/210505788f1d243232e21ef660efcd4838890ce8"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/50dc9ce9f80554a88e33b73c30851acf2be36ed3"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/ec5dfa1d66f2f71a48dab027d26a9fa78eb0f58f"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "NVD-CWE-noinfo"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"bugzilla": {"description": "kernel: ath11k: Change max no of active probe SSID and BSSID to fw capability", "id": "2347937", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2347937"}, "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:\nath11k: Change max no of active probe SSID and BSSID to fw capability\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.\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.\nTested-on: IPQ8074 hw2.0 AHB WLAN.HK.2.7.0.1-01300-QCAHKSWPL_SILICONZ-1"], "name": "CVE-2022-49533", "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": "2025-02-26T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2022-49533\nhttps://nvd.nist.gov/vuln/detail/CVE-2022-49533\nhttps://lore.kernel.org/linux-cve-announce/2025022613-CVE-2022-49533-a0a4@gregkh/T"], "threat_severity": "Moderate"}

{"created": "2025-07-12T23:06:15.542465+00:00", "updated": "2025-07-12T23:06:15.542515+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"]}