{"id":"CVE-2025-71229","title":"wifi: rtw88: Fix alignment fault in rtw_core_enable_beacon()","summary":"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 cras…","severity":"none","vendor":"Linux","product":"Linux","affected":["Linux >= ad6741b1e0449ba8f4eb41dc28e269dc20ab9219 < 71dee092903adb496fe1f357b267d94087b679e0","Linux >= ad6741b1e0449ba8f4eb41dc28e269dc20ab9219 < 7d31dde1bd8678115329e46dc8d7afb63c176b74","Linux >= ad6741b1e0449ba8f4eb41dc28e269dc20ab9219 < 13394550441557115bb74f6de9778c165755a7ab","Linux >= ad6741b1e0449ba8f4eb41dc28e269dc20ab9219 < 653f8b6a091538b084715f259900f62c2ec1c6cf","Linux >= ad6741b1e0449ba8f4eb41dc28e269dc20ab9219 < 0177aa828d966117ea30a44f2e1890fdb356118e","Linux 6.5"],"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"partial","timestamp":"2026-11-05T21:15:34.562629Z"},"published":"2026-02-18","updated":"2026-11-05","sourceUpdated":"2026-11-05T21:23:10.950Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2025-71229","references":[{"url":"https://git.kernel.org/stable/c/71dee092903adb496fe1f357b267d94087b679e0"},{"url":"https://git.kernel.org/stable/c/7d31dde1bd8678115329e46dc8d7afb63c176b74"},{"url":"https://git.kernel.org/stable/c/13394550441557115bb74f6de9778c165755a7ab"},{"url":"https://git.kernel.org/stable/c/653f8b6a091538b084715f259900f62c2ec1c6cf"},{"url":"https://git.kernel.org/stable/c/0177aa828d966117ea30a44f2e1890fdb356118e"}],"tags":["cve.org"],"epss":0.00138,"epssPercentile":0.03224,"ingestedAt":"2026-11-05T22:38:32.058Z","slug":"CVE-2025-71229","body":"## Overview\n\nIn 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 ]---\n\n## Affected\n\n- `Linux >= ad6741b1e0449ba8f4eb41dc28e269dc20ab9219 < 71dee092903adb496fe1f357b267d94087b679e0`\n- `Linux >= ad6741b1e0449ba8f4eb41dc28e269dc20ab9219 < 7d31dde1bd8678115329e46dc8d7afb63c176b74`\n- `Linux >= ad6741b1e0449ba8f4eb41dc28e269dc20ab9219 < 13394550441557115bb74f6de9778c165755a7ab`\n- `Linux >= ad6741b1e0449ba8f4eb41dc28e269dc20ab9219 < 653f8b6a091538b084715f259900f62c2ec1c6cf`\n- `Linux >= ad6741b1e0449ba8f4eb41dc28e269dc20ab9219 < 0177aa828d966117ea30a44f2e1890fdb356118e`\n- `Linux 6.5`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":3,"depthScoreParts":{"impact":2.8,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}