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CVE-2026-92498— wifi: ath6kl: avoid buffer overreads in WMI event handlers

Quick assessment

Affected
Linux Linux
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

在 Linux 内核中，已修复了以下漏洞： wifi: ath6kl: 避免 WMI 事件处理程序中的缓冲区越界读取（buffer overread） 目前，以下 WMI 事件处理程序直接从事件缓冲区读取数据，而没有先验证消息长度是否足以容纳预期的事件： 通过添加长度检查，防止越界读取（overread）。

AI Predicted 4.6 Difficulty: Moderate EPSS 0.22% · P11

Possible ATT&CK Techniques 1 AI

T1059 · Command and Scripting Interpreter

Affected Version Matrix 18

VendorProduct Version RangeStatus
Linux Linux bdcd81707973cf8aa9305337166f8ee842a050d4< 144fe0b0fa8f311ebe29ef16c8239bf6a24addc0 affected
bdcd81707973cf8aa9305337166f8ee842a050d4< a2de3fb4f83a525e95a86a683f0ff105b9b5785b affected
bdcd81707973cf8aa9305337166f8ee842a050d4< d1d2ac5f5b1609a05c455d0aed12904b0985530d affected
bdcd81707973cf8aa9305337166f8ee842a050d4< ea2a77682f9f984bc9a45a00b7d1aa198503c2fe affected
bdcd81707973cf8aa9305337166f8ee842a050d4< 41159d392c3adedc093a8d80521037b72350f606 affected
bdcd81707973cf8aa9305337166f8ee842a050d4< abda58f4529d7eebb6ef82e2d266dabc17507faa affected
bdcd81707973cf8aa9305337166f8ee842a050d4< 2f3635213ecf52ff943f01645f895cb39db8f0dc affected
bdcd81707973cf8aa9305337166f8ee842a050d4< f57314aade9d74d30f3360ec5ef85a83654748be affected
… +10 more rows
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I. Basic Information for CVE-2026-92498

Vulnerability Information
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Vulnerability Title
wifi: ath6kl: avoid buffer overreads in WMI event handlers
Source: CVE Program / CVE List V5
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: wifi: ath6kl: avoid buffer overreads in WMI event handlers The following WMI event handlers currently read from the event buffer without first verifying that the message was large enough to hold the expected event: ath6kl_wmi_scan_complete_rx() ath6kl_wmi_addba_req_event_rx() ath6kl_wmi_delba_req_event_rx() Add length checks to prevent overread.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
Linux Linux bdcd81707973cf8aa9305337166f8ee842a050d4 ~ 144fe0b0fa8f311ebe29ef16c8239bf6a24addc0 -
Linux Linux 3.2 -

II. Public POCs for CVE-2026-92498

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III. Intelligence Information for CVE-2026-92498

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Patches & Fixes for CVE-2026-92498 (8)

Same Patch Batch · Linux · 2026-09-17 · 600 CVEs total

CVE-2026-92489 9.8 CRITICAL xfrm: Fix skb double-free in xfrm_dev_direct_output()
CVE-2026-90235 9.8 CRITICAL sunrpc: xprtsock: annotate shared socket callbacks with READ_ONCE/WRITE_ONCE
CVE-2026-90173 9.8 CRITICAL smb: smbdirect: free completion queues with ib_free_cq()
CVE-2026-90104 9.8 CRITICAL NFSv4.1: zero referring call lists before decoding
CVE-2026-90151 9.8 CRITICAL NFSv4: remove callback IDR entry on client allocation failure
CVE-2026-90110 9.4 CRITICAL inetpeer: randomize RB-tree node comparison using SipHash
CVE-2026-90230 9.1 CRITICAL nvmet: fix heap out-of-bounds read in nvmet_auth_negotiate()
CVE-2026-90414 9.1 CRITICAL IB/isert: reject PDUs declaring more data than was received
CVE-2026-90413 9.1 CRITICAL IB/isert: reject login PDUs declaring more data than was received
CVE-2026-90367 8.8 HIGH wifi: mt76: mt7996: hold dev->mt76.mutex while disabling tx worker in SER
CVE-2026-90329 8.8 HIGH HID: synchronize input before cleaning up a failed probe
CVE-2026-93189 8.8 HIGH HID: core: quiesce input in hid_hw_stop() to prevent use-after-free
CVE-2026-90240 8.8 HIGH iommu/vt-d: Flush context cache with correct SID when tearing down aliases
CVE-2026-90357 8.8 HIGH wifi: mt76: mt7915: unlink TWT flow if the MCU rejects the agreement
CVE-2026-90286 8.8 HIGH drm/amdgpu/gfx6: Use PFP on the compute queues too
CVE-2026-93042 8.8 HIGH dmaengine: dw-edma: Terminate all descriptors without callbacks
CVE-2026-90256 8.8 HIGH Bluetooth: L2CAP: use proto_lock for l2cap_data to fix l2cap_disconn_ind
CVE-2026-90380 8.8 HIGH wifi: mt76: mt792x: fix use-after-free in mt76_rx_poll_complete
CVE-2026-90381 8.8 HIGH wifi: mt76: fix handling channel context with different bands in mt76_switch_vif_chanctx()
CVE-2026-90425 8.8 HIGH iommu/tegra241-cmdqv: Require exactly one Stream ID for a vSID

Showing top 20 of 600 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

Same product: Linux
Same vendor: Linux

V. Comments for CVE-2026-92498

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