GHSA-VW9Q-9CR4-4QJ5
Vulnerability from github – Published: 2025-10-21 12:31 – Updated: 2025-10-21 12:31In the Linux kernel, the following vulnerability has been resolved:
ath11k: Change max no of active probe SSID and BSSID to fw capability
The maximum number of SSIDs in a for active probe requests is currently reported as 16 (WLAN_SCAN_PARAMS_MAX_SSID) when registering the driver. The scan_req_params structure only has the capacity to hold 10 SSIDs. This leads to a buffer overflow which can be triggered from wpa_supplicant in userspace. When copying the SSIDs into the scan_req_params structure in the ath11k_mac_op_hw_scan route, it can overwrite the extraie pointer.
Firmware supports 16 ssid * 4 bssid, for each ssid 4 bssid combo probe request will be sent, so totally 64 probe requests supported. So set both max ssid and bssid to 16 and 4 respectively. Remove the redundant macros of ssid and bssid.
Tested-on: IPQ8074 hw2.0 AHB WLAN.HK.2.7.0.1-01300-QCAHKSWPL_SILICONZ-1
{
"affected": [],
"aliases": [
"CVE-2022-49533"
],
"database_specific": {
"cwe_ids": [],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2025-02-26T07:01:29Z",
"severity": "MODERATE"
},
"details": "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",
"id": "GHSA-vw9q-9cr4-4qj5",
"modified": "2025-10-21T12:31:27Z",
"published": "2025-10-21T12:31:27Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2022-49533"
},
{
"type": "WEB",
"url": "https://git.kernel.org/stable/c/210505788f1d243232e21ef660efcd4838890ce8"
},
{
"type": "WEB",
"url": "https://git.kernel.org/stable/c/50dc9ce9f80554a88e33b73c30851acf2be36ed3"
},
{
"type": "WEB",
"url": "https://git.kernel.org/stable/c/ec5dfa1d66f2f71a48dab027d26a9fa78eb0f58f"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
"type": "CVSS_V3"
}
]
}
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