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CVE-2025-38505— wifi: mwifiex: discard erroneous disassoc frames on STA interface

EPSS 0.02% · P6
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I. Basic Information for CVE-2025-38505

Vulnerability Information
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Vulnerability Title
wifi: mwifiex: discard erroneous disassoc frames on STA interface
Source: NVD (National Vulnerability Database)
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: wifi: mwifiex: discard erroneous disassoc frames on STA interface When operating in concurrent STA/AP mode with host MLME enabled, the firmware incorrectly sends disassociation frames to the STA interface when clients disconnect from the AP interface. This causes kernel warnings as the STA interface processes disconnect events that don't apply to it: [ 1303.240540] WARNING: CPU: 0 PID: 513 at net/wireless/mlme.c:141 cfg80211_process_disassoc+0x78/0xec [cfg80211] [ 1303.250861] Modules linked in: 8021q garp stp mrp llc rfcomm bnep btnxpuart nls_iso8859_1 nls_cp437 onboard_us [ 1303.327651] CPU: 0 UID: 0 PID: 513 Comm: kworker/u9:2 Not tainted 6.16.0-rc1+ #3 PREEMPT [ 1303.335937] Hardware name: Toradex Verdin AM62 WB on Verdin Development Board (DT) [ 1303.343588] Workqueue: MWIFIEX_RX_WORK_QUEUE mwifiex_rx_work_queue [mwifiex] [ 1303.350856] pstate: 60000005 (nZCv daif -PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 1303.357904] pc : cfg80211_process_disassoc+0x78/0xec [cfg80211] [ 1303.364065] lr : cfg80211_process_disassoc+0x70/0xec [cfg80211] [ 1303.370221] sp : ffff800083053be0 [ 1303.373590] x29: ffff800083053be0 x28: 0000000000000000 x27: 0000000000000000 [ 1303.380855] x26: 0000000000000000 x25: 00000000ffffffff x24: ffff000002c5b8ae [ 1303.388120] x23: ffff000002c5b884 x22: 0000000000000001 x21: 0000000000000008 [ 1303.395382] x20: ffff000002c5b8ae x19: ffff0000064dd408 x18: 0000000000000006 [ 1303.402646] x17: 3a36333a61623a30 x16: 32206d6f72662063 x15: ffff800080bfe048 [ 1303.409910] x14: ffff000003625300 x13: 0000000000000001 x12: 0000000000000000 [ 1303.417173] x11: 0000000000000002 x10: ffff000003958600 x9 : ffff000003625300 [ 1303.424434] x8 : ffff00003fd9ef40 x7 : ffff0000039fc280 x6 : 0000000000000002 [ 1303.431695] x5 : ffff0000038976d4 x4 : 0000000000000000 x3 : 0000000000003186 [ 1303.438956] x2 : 000000004836ba20 x1 : 0000000000006986 x0 : 00000000d00479de [ 1303.446221] Call trace: [ 1303.448722] cfg80211_process_disassoc+0x78/0xec [cfg80211] (P) [ 1303.454894] cfg80211_rx_mlme_mgmt+0x64/0xf8 [cfg80211] [ 1303.460362] mwifiex_process_mgmt_packet+0x1ec/0x460 [mwifiex] [ 1303.466380] mwifiex_process_sta_rx_packet+0x1bc/0x2a0 [mwifiex] [ 1303.472573] mwifiex_handle_rx_packet+0xb4/0x13c [mwifiex] [ 1303.478243] mwifiex_rx_work_queue+0x158/0x198 [mwifiex] [ 1303.483734] process_one_work+0x14c/0x28c [ 1303.487845] worker_thread+0x2cc/0x3d4 [ 1303.491680] kthread+0x12c/0x208 [ 1303.495014] ret_from_fork+0x10/0x20 Add validation in the STA receive path to verify that disassoc/deauth frames originate from the connected AP. Frames that fail this check are discarded early, preventing them from reaching the MLME layer and triggering WARN_ON(). This filtering logic is similar with that used in the ieee80211_rx_mgmt_disassoc() function in mac80211, which drops disassoc frames that don't match the current BSSID (!ether_addr_equal(mgmt->bssid, sdata->vif.cfg.ap_addr)), ensuring only relevant frames are processed. Tested on: - 8997 with FW 16.68.1.p197
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mwifiex错误处理STA接口上的断开帧，可能导致内核警告。
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 36995892c271cce5e2230bc165a06f109b117222 ~ a963819a121f5dd61e0b39934d8b5dec529da96a -
LinuxLinux 6.12 -

II. Public POCs for CVE-2025-38505

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III. Intelligence Information for CVE-2025-38505

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Same Patch Batch · Linux · 2025-08-16 · 59 CVEs total

CVE-2025-38520drm/amdkfd: Don't call mmput from MMU notifier callback
CVE-2025-38509wifi: mac80211: reject VHT opmode for unsupported channel widths
CVE-2025-38504io_uring/zcrx: fix pp destruction warnings
CVE-2025-38506KVM: Allow CPU to reschedule while setting per-page memory attributes
CVE-2025-38507HID: nintendo: avoid bluetooth suspend/resume stalls
CVE-2025-38503btrfs: fix assertion when building free space tree
CVE-2025-38516pinctrl: qcom: msm: mark certain pins as invalid for interrupts
CVE-2025-38517lib/alloc_tag: do not acquire non-existent lock in alloc_tag_top_users()
CVE-2025-38518x86/CPU/AMD: Disable INVLPGB on Zen2
CVE-2025-38519mm/damon: fix divide by zero in damon_get_intervals_score()
CVE-2025-38515drm/sched: Increment job count before swapping tail spsc queue
CVE-2025-38521drm/imagination: Fix kernel crash when hard resetting the GPU
CVE-2025-38522sched/ext: Prevent update_locked_rq() calls with NULL rq
CVE-2025-38523cifs: Fix the smbd_response slab to allow usercopy
CVE-2025-38524rxrpc: Fix recv-recv race of completed call
CVE-2025-38525rxrpc: Fix irq-disabled in local_bh_enable()
CVE-2025-38526ice: add NULL check in eswitch lag check
CVE-2025-38527smb: client: fix use-after-free in cifs_oplock_break
CVE-2025-38528bpf: Reject %p% format string in bprintf-like helpers
CVE-2025-38529comedi: aio_iiro_16: Fix bit shift out of bounds

Showing top 20 of 59 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

Same product: Linux
Same vendor: Linux

V. Comments for CVE-2025-38505

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