CVE-2025-71229
Full vulnerability record from the local CVENow database.
Description
In the Linux kernel, the following vulnerability has been resolved: wifi: rtw88: Fix alignment fault in rtw_core_enable_beacon() rtw_core_enable_beacon() reads 4 bytes from an address that is not a multiple of 4. This results in a crash on some systems. Do 1 byte reads/writes instead. Unable to handle kernel paging request at virtual address ffff8000827e0522 Mem abort info: ESR = 0x0000000096000021 EC = 0x25: DABT (current EL), IL = 32 bits SET = 0, FnV = 0 EA = 0, S1PTW = 0 FSC = 0x21: alignment fault Data abort info: ISV = 0, ISS = 0x00000021, ISS2 = 0x00000000 CM = 0, WnR = 0, TnD = 0, TagAccess = 0 GCS = 0, Overlay = 0, DirtyBit = 0, Xs = 0 swapper pgtable: 4k pages, 48-bit VAs, pgdp=0000000005492000 [ffff8000827e0522] pgd=0000000000000000, p4d=10000001021d9403, pud=10000001021da403, pmd=100000011061c403, pte=00780000f3200f13 Internal error: Oops: 0000000096000021 [#1] SMP Modules linked in: [...] rtw88_8822ce rtw88_8822c rtw88_pci rtw88_core [...] CPU: 0 UID: 0 PID: 73 Comm: kworker/u32:2 Tainted: G W 6.17.9 #1-NixOS VOLUNTARY Tainted: [W]=WARN Hardware name: FriendlyElec NanoPC-T6 LTS (DT) Workqueue: phy0 rtw_c2h_work [rtw88_core] pstate: 60400009 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : rtw_pci_read32+0x18/0x40 [rtw88_pci] lr : rtw_core_enable_beacon+0xe0/0x148 [rtw88_core] sp : ffff800080cc3ca0 x29: ffff800080cc3ca0 x28: ffff0001031fc240 x27: ffff000102100828 x26: ffffd2cb7c9b4088 x25: ffff0001031fc2c0 x24: ffff000112fdef00 x23: ffff000112fdef18 x22: ffff000111c29970 x21: 0000000000000001 x20: 0000000000000001 x19: ffff000111c22040 x18: 0000000000000000 x17: 0000000000000000 x16: 0000000000000000 x15: 0000000000000000 x14: 0000000000000000 x13: 0000000000000000 x12: 0000000000000000 x11: 0000000000000000 x10: 0000000000000000 x9 : ffffd2cb6507c090 x8 : 0000000000000000 x7 : 0000000000000000 x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000000 x3 : 0000000000000000 x2 : 0000000000007f10 x1 : 0000000000000522 x0 : ffff8000827e0522 Call trace: rtw_pci_read32+0x18/0x40 [rtw88_pci] (P) rtw_hw_scan_chan_switch+0x124/0x1a8 [rtw88_core] rtw_fw_c2h_cmd_handle+0x254/0x290 [rtw88_core] rtw_c2h_work+0x50/0x98 [rtw88_core] process_one_work+0x178/0x3f8 worker_thread+0x208/0x418 kthread+0x120/0x220 ret_from_fork+0x10/0x20 Code: d28fe202 8b020000 f9524400 8b214000 (b9400000) ---[ end trace 0000000000000000 ]---
Severity
MEDIUM
CVSS score
5.5
(v3.1)
Vulnerability status
Analyzed
Source identifier
416baaa9-dc9f-4396-8d5f-8c081fb06d67
Published
2026-02-18 16:22:29.627000
Last modified
2026-11-05 22:17:39.580000
View original CVE JSON
{
"id": "CVE-2025-71229",
"sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"published": "2026-02-18T16:22:29.627",
"lastModified": "2026-11-05T22:17:39.580",
"vulnStatus": "Analyzed",
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: rtw88: Fix alignment fault in rtw_core_enable_beacon()\n\nrtw_core_enable_beacon() reads 4 bytes from an address that is not a\nmultiple of 4. This results in a crash on some systems.\n\nDo 1 byte reads/writes instead.\n\nUnable to handle kernel paging request at virtual address ffff8000827e0522\nMem abort info:\n ESR = 0x0000000096000021\n EC = 0x25: DABT (current EL), IL = 32 bits\n SET = 0, FnV = 0\n EA = 0, S1PTW = 0\n FSC = 0x21: alignment fault\nData abort info:\n ISV = 0, ISS = 0x00000021, ISS2 = 0x00000000\n CM = 0, WnR = 0, TnD = 0, TagAccess = 0\n GCS = 0, Overlay = 0, DirtyBit = 0, Xs = 0\nswapper pgtable: 4k pages, 48-bit VAs, pgdp=0000000005492000\n[ffff8000827e0522] pgd=0000000000000000, p4d=10000001021d9403, pud=10000001021da403, pmd=100000011061c403, pte=00780000f3200f13\nInternal error: Oops: 0000000096000021 [#1] SMP\nModules linked in: [...] rtw88_8822ce rtw88_8822c rtw88_pci rtw88_core [...]\nCPU: 0 UID: 0 PID: 73 Comm: kworker/u32:2 Tainted: G W 6.17.9 #1-NixOS VOLUNTARY\nTainted: [W]=WARN\nHardware name: FriendlyElec NanoPC-T6 LTS (DT)\nWorkqueue: phy0 rtw_c2h_work [rtw88_core]\npstate: 60400009 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)\npc : rtw_pci_read32+0x18/0x40 [rtw88_pci]\nlr : rtw_core_enable_beacon+0xe0/0x148 [rtw88_core]\nsp : ffff800080cc3ca0\nx29: ffff800080cc3ca0 x28: ffff0001031fc240 x27: ffff000102100828\nx26: ffffd2cb7c9b4088 x25: ffff0001031fc2c0 x24: ffff000112fdef00\nx23: ffff000112fdef18 x22: ffff000111c29970 x21: 0000000000000001\nx20: 0000000000000001 x19: ffff000111c22040 x18: 0000000000000000\nx17: 0000000000000000 x16: 0000000000000000 x15: 0000000000000000\nx14: 0000000000000000 x13: 0000000000000000 x12: 0000000000000000\nx11: 0000000000000000 x10: 0000000000000000 x9 : ffffd2cb6507c090\nx8 : 0000000000000000 x7 : 0000000000000000 x6 : 0000000000000000\nx5 : 0000000000000000 x4 : 0000000000000000 x3 : 0000000000000000\nx2 : 0000000000007f10 x1 : 0000000000000522 x0 : ffff8000827e0522\nCall trace:\n rtw_pci_read32+0x18/0x40 [rtw88_pci] (P)\n rtw_hw_scan_chan_switch+0x124/0x1a8 [rtw88_core]\n rtw_fw_c2h_cmd_handle+0x254/0x290 [rtw88_core]\n rtw_c2h_work+0x50/0x98 [rtw88_core]\n process_one_work+0x178/0x3f8\n worker_thread+0x208/0x418\n kthread+0x120/0x220\n ret_from_fork+0x10/0x20\nCode: d28fe202 8b020000 f9524400 8b214000 (b9400000)\n---[ end trace 0000000000000000 ]---"
},
{
"lang": "es",
"value": "En el kernel de Linux, la siguiente vulnerabilidad ha sido resuelta:\n\nwifi: rtw88: Corrección de fallo de alineación en rtw_core_enable_beacon()\n\nrtw_core_enable_beacon() lee 4 bytes de una dirección que no es un múltiplo de 4. Esto provoca un fallo en algunos sistemas.\n\nRealizar lecturas/escrituras de 1 byte en su lugar.\n\nNo se puede manejar la solicitud de paginación del kernel en la dirección virtual ffff8000827e0522\nInformación de aborto de memoria:\n ESR = 0x0000000096000021\n EC = 0x25: DABT (current EL), IL = 32 bits\n SET = 0, FnV = 0\n EA = 0, S1PTW = 0\n FSC = 0x21: fallo de alineación\nInformación de aborto de datos:\n ISV = 0, ISS = 0x00000021, ISS2 = 0x00000000\n CM = 0, WnR = 0, TnD = 0, TagAccess = 0\n GCS = 0, Overlay = 0, DirtyBit = 0, Xs = 0\ntabla de páginas del swapper: páginas de 4k, VA de 48 bits, pgdp=0000000005492000\n[ffff8000827e0522] pgd=0000000000000000, p4d=10000001021d9403, pud=10000001021da403, pmd=100000011061c403, pte=00780000f3200f13\nError interno: Oops: 0000000096000021 [#1] SMP\nMódulos enlazados: [...] rtw88_8822ce rtw88_8822c rtw88_pci rtw88_core [...]\nCPU: 0 UID: 0 PID: 73 Comm: kworker/u32:2 Tainted: G W 6.17.9 #1-NixOS VOLUNTARIO\nTainted: [W]=ADVERTENCIA\nNombre del hardware: FriendlyElec NanoPC-T6 LTS (DT)\nCola de trabajo: phy0 rtw_c2h_work [rtw88_core]\npstate: 60400009 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)\npc : rtw_pci_read32+0x18/0x40 [rtw88_pci]\nlr : rtw_core_enable_beacon+0xe0/0x148 [rtw88_core]\nsp : ffff800080cc3ca0\nx29: ffff800080cc3ca0 x28: ffff0001031fc240 x27: ffff000102100828\nx26: ffffd2cb7c9b4088 x25: ffff0001031fc2c0 x24: ffff000112fdef00\nx23: ffff000112fdef18 x22: ffff000111c29970 x21: 0000000000000001\nx20: 0000000000000001 x19: ffff000111c22040 x18: 0000000000000000\nx17: 0000000000000000 x16: 0000000000000000 x15: 0000000000000000\nx14: 0000000000000000 x13: 0000000000000000 x12: 0000000000000000\nx11: 0000000000000000 x10: 0000000000000000 x9 : ffffd2cb6507c090\nx8 : 0000000000000000 x7 : 0000000000000000 x6 : 0000000000000000\nx5 : 0000000000000000 x4 : 0000000000000000 x3 : 0000000000000000\nx2 : 0000000000007f10 x1 : 0000000000000522 x0 : ffff8000827e0522\nRastro de llamada:\n rtw_pci_read32+0x18/0x40 [rtw88_pci] (P)\n rtw_hw_scan_chan_switch+0x124/0x1a8 [rtw88_core]\n rtw_fw_c2h_cmd_handle+0x254/0x290 [rtw88_core]\n rtw_c2h_work+0x50/0x98 [rtw88_core]\n process_one_work+0x178/0x3f8\n worker_thread+0x208/0x418\n kthread+0x120/0x220\n ret_from_fork+0x10/0x20\nCode: d28fe202 8b020000 f9524400 8b214000 (b9400000)\n---[ fin del rastro 0000000000000000 ]---"
}
],
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{
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"affectedData": [
{
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"product": "Linux",
"defaultStatus": "unaffected",
"programFiles": [
"drivers/net/wireless/realtek/rtw88/main.c"
],
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"versions": [
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"lessThan": "71dee092903adb496fe1f357b267d94087b679e0",
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"status": "affected"
},
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"versionType": "git",
"status": "affected"
},
{
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"lessThan": "13394550441557115bb74f6de9778c165755a7ab",
"versionType": "git",
"status": "affected"
},
{
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"lessThan": "653f8b6a091538b084715f259900f62c2ec1c6cf",
"versionType": "git",
"status": "affected"
},
{
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"lessThan": "0177aa828d966117ea30a44f2e1890fdb356118e",
"versionType": "git",
"status": "affected"
}
]
},
{
"vendor": "Linux",
"product": "Linux",
"defaultStatus": "affected",
"programFiles": [
"drivers/net/wireless/realtek/rtw88/main.c"
],
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"versions": [
{
"version": "6.5",
"status": "affected"
},
{
"version": "0",
"lessThan": "6.5",
"versionType": "semver",
"status": "unaffected"
},
{
"version": "6.6.125",
"lessThanOrEqual": "6.6.*",
"versionType": "semver",
"status": "unaffected"
},
{
"version": "6.12.72",
"lessThanOrEqual": "6.12.*",
"versionType": "semver",
"status": "unaffected"
},
{
"version": "6.18.11",
"lessThanOrEqual": "6.18.*",
"versionType": "semver",
"status": "unaffected"
},
{
"version": "6.19.1",
"lessThanOrEqual": "6.19.*",
"versionType": "semver",
"status": "unaffected"
},
{
"version": "7.0",
"lessThanOrEqual": "*",
"versionType": "original_commit_for_fix",
"status": "unaffected"
}
]
}
]
}
],
"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
}
],
"ssvcV203": [
{
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"ssvcData": {
"timestamp": "2026-11-05T21:15:34.562629Z",
"id": "CVE-2025-71229",
"options": [
{
"exploitation": "none"
},
{
"automatable": "no"
},
{
"technicalImpact": "partial"
}
],
"role": "CISA Coordinator",
"version": "2.0.3"
}
}
]
},
"weaknesses": [
{
"source": "[email protected]",
"type": "Primary",
"description": [
{
"lang": "en",
"value": "NVD-CWE-noinfo"
}
]
}
],
"configurations": [
{
"nodes": [
{
"operator": "OR",
"negate": false,
"cpeMatch": [
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"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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"matchCriteriaId": "C235EA77-9F69-4F23-A318-F0DD3F555036"
},
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"matchCriteriaId": "7099A9EC-3D54-4424-BF01-7224EF88C79C"
},
{
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"matchCriteriaId": "EE543C0D-A06B-414F-A403-CB1E088F261E"
}
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"references": [
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