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CVE-2026-90361— wifi: ath11k: fix leak in ath11k_service_ready_ext_event()

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: ath11k: 修复 ath11k_service_ready_ext_event() 中的内存泄漏 目前，在处理 时， 会在 TLV 解析过程中被分配。这是一个临时分配，虽然在成功路径上会被释放，但在错误路径上却没有释放。如果解析进行到足以分配 的阶段，随后在后续的 TLV 上失败，该分配就会发生内存泄漏。因此，需要在错误路径上释放该分配。 仅进行了编译测试。

AI Predicted 3.1 Difficulty: Theoretical EPSS 0.22% · P11

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application

Affected Version Matrix 18

VendorProduct Version RangeStatus
Linux Linux 5b90fc760db5a969ed26d70f8e62c91915f012bd< 35cb3086b426b3468cfc32d0d8d9883409705ea9 affected
5b90fc760db5a969ed26d70f8e62c91915f012bd< 854eb9053a793b73c4e8082e1923735a80c77bcd affected
5b90fc760db5a969ed26d70f8e62c91915f012bd< 7dbf0bc50cf3ddd039becd875691bb7f484fa004 affected
5b90fc760db5a969ed26d70f8e62c91915f012bd< 1296cae53052881ddd571a9d4f467a16ebfb7f14 affected
5b90fc760db5a969ed26d70f8e62c91915f012bd< 10ccd92825504c029390874c6fb84c62d9f263f9 affected
5b90fc760db5a969ed26d70f8e62c91915f012bd< f5bb3471c9f46c6cabc06a152c13fc518330913e affected
5b90fc760db5a969ed26d70f8e62c91915f012bd< 047a817147806140cdef5fa25d69d7b7a24f905c affected
5b90fc760db5a969ed26d70f8e62c91915f012bd< 0293be2212d319d59589082461abf2a9b626cd1c affected
… +10 more rows
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I. Basic Information for CVE-2026-90361

Vulnerability Information
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Vulnerability Title
wifi: ath11k: fix leak in ath11k_service_ready_ext_event()
Source: CVE Program / CVE List V5
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: wifi: ath11k: fix leak in ath11k_service_ready_ext_event() Currently, during ath11k_service_ready_ext_event() processing, svc_rdy_ext.mac_phy_caps can be allocated during TLV parsing. This is a temporary allocation that is freed on the success path, but not on the error path. If parsing succeeds far enough to allocate mac_phy_caps and then fails on a later TLV, the allocation leaks. So free the allocation on the error path. Compile tested only.
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 5b90fc760db5a969ed26d70f8e62c91915f012bd ~ 35cb3086b426b3468cfc32d0d8d9883409705ea9 -
Linux Linux 5.6 -

II. Public POCs for CVE-2026-90361

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III. Intelligence Information for CVE-2026-90361

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Patches & Fixes for CVE-2026-90361 (8)

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

CVE-2026-90173 9.8 CRITICAL smb: smbdirect: free completion queues with ib_free_cq()
CVE-2026-92489 9.8 CRITICAL xfrm: Fix skb double-free in xfrm_dev_direct_output()
CVE-2026-90151 9.8 CRITICAL NFSv4: remove callback IDR entry on client allocation failure
CVE-2026-90235 9.8 CRITICAL sunrpc: xprtsock: annotate shared socket callbacks with READ_ONCE/WRITE_ONCE
CVE-2026-90104 9.8 CRITICAL NFSv4.1: zero referring call lists before decoding
CVE-2026-90110 9.4 CRITICAL inetpeer: randomize RB-tree node comparison using SipHash
CVE-2026-90413 9.1 CRITICAL IB/isert: reject login PDUs declaring more data than was received
CVE-2026-90414 9.1 CRITICAL IB/isert: reject PDUs declaring more data than was received
CVE-2026-90230 9.1 CRITICAL nvmet: fix heap out-of-bounds read in nvmet_auth_negotiate()
CVE-2026-90255 8.8 HIGH Bluetooth: hci_conn: fix the SCO setup context lifetime
CVE-2026-90329 8.8 HIGH HID: synchronize input before cleaning up a failed probe
CVE-2026-90357 8.8 HIGH wifi: mt76: mt7915: unlink TWT flow if the MCU rejects the agreement
CVE-2026-90367 8.8 HIGH wifi: mt76: mt7996: hold dev->mt76.mutex while disabling tx worker in SER
CVE-2026-90256 8.8 HIGH Bluetooth: L2CAP: use proto_lock for l2cap_data to fix l2cap_disconn_ind
CVE-2026-90371 8.8 HIGH wifi: mt76: fix RXDMAD_C buffer recycling race
CVE-2026-93189 8.8 HIGH HID: core: quiesce input in hid_hw_stop() to prevent use-after-free
CVE-2026-90425 8.8 HIGH iommu/tegra241-cmdqv: Require exactly one Stream ID for a vSID
CVE-2026-90240 8.8 HIGH iommu/vt-d: Flush context cache with correct SID when tearing down aliases
CVE-2026-90162 8.8 HIGH ksmbd: defer publishing granted locks to prevent UAF/double-free race
CVE-2026-90286 8.8 HIGH drm/amdgpu/gfx6: Use PFP on the compute queues too

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-2026-90361

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