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CVE-2025-71229— wifi: rtw88: Fix alignment fault in rtw_core_enable_beacon()

EPSS 0.02% · P5
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I. Basic Information for CVE-2025-71229

Vulnerability Information
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Vulnerability Title
wifi: rtw88: Fix alignment fault in rtw_core_enable_beacon()
Source: NVD (National Vulnerability Database)
Vulnerability 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 ]---
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Title
Linux kernel 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Linux kernel是美国Linux基金会的开源操作系统Linux所使用的内核。 Linux kernel存在安全漏洞，该漏洞源于rtw_core_enable_beacon()函数中存在对齐错误，可能导致系统崩溃。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

VendorProductAffected VersionsCPESubscribe
LinuxLinux ad6741b1e0449ba8f4eb41dc28e269dc20ab9219 ~ 71dee092903adb496fe1f357b267d94087b679e0 -
LinuxLinux 6.5 -

II. Public POCs for CVE-2025-71229

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III. Intelligence Information for CVE-2025-71229

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Same Patch Batch · Linux · 2026-02-18 · 31 CVEs total

CVE-2026-232308.8 HIGHsmb: client: split cached_fid bitfields to avoid shared-byte RMW races
CVE-2026-232268.8 HIGHksmbd: add chann_lock to protect ksmbd_chann_list xarray
CVE-2026-232277.8 HIGHdrm/exynos: vidi: use ctx->lock to protect struct vidi_context member variables related to
CVE-2026-232257.8 HIGHsched/mmcid: Don't assume CID is CPU owned on mode switch
CVE-2026-232247.8 HIGHerofs: fix UAF issue for file-backed mounts w/ directio option
CVE-2026-232227.8 HIGHcrypto: omap - Allocate OMAP_CRYPTO_FORCE_COPY scatterlists correctly
CVE-2025-71234wifi: rtl8xxxu: fix slab-out-of-bounds in rtl8xxxu_sta_add
CVE-2026-23229crypto: virtio - Add spinlock protection with virtqueue notification
CVE-2026-23228smb: server: fix leak of active_num_conn in ksmbd_tcp_new_connection()
CVE-2026-23223xfs: fix UAF in xchk_btree_check_block_owner
CVE-2026-23221bus: fsl-mc: fix use-after-free in driver_override_show()
CVE-2026-23220ksmbd: fix infinite loop caused by next_smb2_rcv_hdr_off reset in error paths
CVE-2025-71237nilfs2: Fix potential block overflow that cause system hang
CVE-2025-71236scsi: qla2xxx: Validate sp before freeing associated memory
CVE-2025-71235scsi: qla2xxx: Delay module unload while fabric scan in progress
CVE-2026-23211mm, swap: restore swap_space attr aviod kernel panic
CVE-2025-71233PCI: endpoint: Avoid creating sub-groups asynchronously
CVE-2025-71232scsi: qla2xxx: Free sp in error path to fix system crash
CVE-2025-71231crypto: iaa - Fix out-of-bounds index in find_empty_iaa_compression_mode
CVE-2025-71230hfs: ensure sb->s_fs_info is always cleaned up

Showing top 20 of 31 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

Same product: Linux
Same vendor: Linux

V. Comments for CVE-2025-71229

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