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CVE-2026-90357— wifi: mt76: mt7915: unlink TWT flow if the MCU rejects the agreement

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，以下漏洞已得到修复： wifi: mt76: mt7915: 当 MCU 拒绝 TWT 协商时，需从链表中移除 TWT 流程 该 TWT 流程在发送协商请求给固件之前就被添加到了 中，但错误处理路径中并未将其从链表中移除，且 也从未被设置。这导致该流程槽位可能在仍处于链表状态时被其他流程复用并执行 ，从而破坏 的数据结构完整性；此外，当站点被移除时，会留下一个悬垂的条目，导致后续 遍历链表时出错。

CVSS 8.8 · High EPSS 0.34% · P28

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application

Affected Version Matrix 14

VendorProduct Version RangeStatus
Linux Linux 3782b69d03e714b8ff98b84c7426d8cef0e64d7c< c09d1b15ed2dc49060303b16a296b7b8b7794cbe affected
3782b69d03e714b8ff98b84c7426d8cef0e64d7c< 1bd5c4ed2b9045faf83315c54cd37a9b7c71b5c7 affected
3782b69d03e714b8ff98b84c7426d8cef0e64d7c< cabe239e95b4eebf5b6c3654087b66ff9425bc7b affected
3782b69d03e714b8ff98b84c7426d8cef0e64d7c< 6bce0f1280c94af8314f895f404629da09f0788c affected
3782b69d03e714b8ff98b84c7426d8cef0e64d7c< beaa42b875965dbc3e80e46970e0bfa60a94c2db affected
3782b69d03e714b8ff98b84c7426d8cef0e64d7c< 16a04441eab0dcd4d7126a6f66b370adbf28f96d affected
5.16 affected
< 5.16 unaffected
… +6 more rows
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I. Basic Information for CVE-2026-90357

Vulnerability Information
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Vulnerability Title
wifi: mt76: mt7915: unlink TWT flow if the MCU rejects the agreement
Source: CVE Program / CVE List V5
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: wifi: mt76: mt7915: unlink TWT flow if the MCU rejects the agreement The flow is added to dev->twt_list before sending the agreement to the firmware, but the error path leaves it linked while flowid_mask is never set. The flow slot can then be reused and memset while still on the list, corrupting twt_list, and station removal leaves a dangling entry behind that mt7915_mac_twt_sched_list_add() later walks.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
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 3782b69d03e714b8ff98b84c7426d8cef0e64d7c ~ c09d1b15ed2dc49060303b16a296b7b8b7794cbe -
Linux Linux 5.16 -

II. Public POCs for CVE-2026-90357

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III. Intelligence Information for CVE-2026-90357

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Patches & Fixes for CVE-2026-90357 (6)

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-2026-90104 9.8 CRITICAL NFSv4.1: zero referring call lists before decoding
CVE-2026-90173 9.8 CRITICAL smb: smbdirect: free completion queues with ib_free_cq()
CVE-2026-90235 9.8 CRITICAL sunrpc: xprtsock: annotate shared socket callbacks with READ_ONCE/WRITE_ONCE
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-2026-90240 8.8 HIGH iommu/vt-d: Flush context cache with correct SID when tearing down aliases
CVE-2026-93189 8.8 HIGH HID: core: quiesce input in hid_hw_stop() to prevent use-after-free
CVE-2026-90329 8.8 HIGH HID: synchronize input before cleaning up a failed probe
CVE-2026-90256 8.8 HIGH Bluetooth: L2CAP: use proto_lock for l2cap_data to fix l2cap_disconn_ind
CVE-2026-90255 8.8 HIGH Bluetooth: hci_conn: fix the SCO setup context lifetime
CVE-2026-90367 8.8 HIGH wifi: mt76: mt7996: hold dev->mt76.mutex while disabling tx worker in SER
CVE-2026-93042 8.8 HIGH dmaengine: dw-edma: Terminate all descriptors without callbacks
CVE-2026-90381 8.8 HIGH wifi: mt76: fix handling channel context with different bands in mt76_switch_vif_chanctx()
CVE-2026-90371 8.8 HIGH wifi: mt76: fix RXDMAD_C buffer recycling race
CVE-2026-90379 8.8 HIGH wifi: mt76: mt7921: Add PCIe AER handler support to prevent system crash
CVE-2026-90380 8.8 HIGH wifi: mt76: mt792x: fix use-after-free in mt76_rx_poll_complete

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-2026-90357

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