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VULNERABILITIES

CVE-2026-89523 Details

Description

In the Linux kernel, the following vulnerability has been resolved: wifi: mt76: mt7925: cancel pending mlo_pm_work If the device is reset, suspended or unregistered within that window, the pending work can still run and access vif/bss data that may already be freed, or send MCU commands while the firmware is not available. Add cancel_delayed_work_sync(&dev->mlo_pm_work) in all relevant teardown and suspend paths: - mt7925_mac_reset_work() (chip reset recovery) - mt7925e_unregister_device() (PCIe unbind) - mt7925_pci_suspend() (PCIe bus suspend) - mt7925_suspend() (mac80211 suspend) - mt7925u_suspend() (USB bus / runtime suspend) This ensures the work is stopped before the device state becomes invalid.

Metrics

CVSS 3.x Severity and Vector Strings:

CNA: kernel.orgCVSS-B:7.8 HIGHVector:CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

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URLSource(s)Tag(s)
https://git.kernel.org/stable/c/2889e84282dda147f10b10d94cf0efd90a349c53 kernel.org
https://git.kernel.org/stable/c/5be6d02837d418bc6c805b5cab1b338de6de9ca7 kernel.org
https://git.kernel.org/stable/c/c5e073f2fbfd34d22099a50d96f60990799753e2 kernel.org

Weakness Enumeration

No weakness enumeration is available for this CVE.

Affected Products

No affected product data is available for this CVE.

Change History

2 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2026-89523
NVD Published Date:
Sep 11, 2026
NVD Last Modified:
Sep 13, 2026
Source:
kernel.org
CVE-2026-89523 Details - Not Deferred