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CVE-2026-98565

Unknown

Last modified

CVE-2026-98565 is a vulnerability of currently unknown severity. In the Linux kernel, the following vulnerability has been resolved: net: dsa: mt7530: fix NULL dereference on unbind of MT7531 and MT7621 The core and io supplies are only requested for ID_MT7530: both the devm_regulator_get() in probe and the regulator_enable() in mt7530_setup() are guarded by the switch id, but mt7530_remove() disables them unconditionally. On an MT7621 or an MT7531 both pointers are still NULL from devm_kzalloc(), so rmmod or a sysfs unbind calls regulator_disable() on NULL..

Description

In the Linux kernel, the following vulnerability has been resolved: net: dsa: mt7530: fix NULL dereference on unbind of MT7531 and MT7621 The core and io supplies are only requested for ID_MT7530: both the devm_regulator_get() in probe and the regulator_enable() in mt7530_setup() are guarded by the switch id, but mt7530_remove() disables them unconditionally. On an MT7621 or an MT7531 both pointers are still NULL from devm_kzalloc(), so rmmod or a sysfs unbind calls regulator_disable() on NULL.

Affected Software

Source: CNA advisory (CVE.org). NVD analysis pending.

VendorProductVersions
LinuxLinux>= ddda1ac116c852bb969541ed53cffef7255c4961, < bd172580e624bac00d83abd5c4320d2e14d853bc; >= ddda1ac116c852bb969541ed53cffef7255c4961, < e9a5298532780ecdd05c3220f3e1e3067b3537c3; >= ddda1ac116c852bb969541ed53cffef7255c4961, < 62c0e38b2e5034184d4502ce77bd178b29e59b83; >= ddda1ac116c852bb969541ed53cffef7255c4961, < aae2a1f1e3a0ac5eeb439262a2328a2a392413ac; >= ddda1ac116c852bb969541ed53cffef7255c4961, < c2cdef41e0b4d8ed23a5b41e6ad4e64594e055e4
LinuxLinux5.1

References

Timeline

Published
Last Modified
Status
Received

Frequently Asked Questions

What is CVE-2026-98565?
In the Linux kernel, the following vulnerability has been resolved: net: dsa: mt7530: fix NULL dereference on unbind of MT7531 and MT7621 The core and io supplies are only requested for ID_MT7530: both the devm_regulator_get() in probe and the regulator_enable() in mt7530_setup() are guarded by the switch id, but mt7530_remove() disables them unconditionally. On an MT7621 or an MT7531 both pointers are still NULL from devm_kzalloc(), so rmmod or a sysfs unbind calls regulator_disable() on NULL.
How severe is CVE-2026-98565?
Severity scoring for CVE-2026-98565 is pending analysis.
How do I fix CVE-2026-98565?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

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Source: NVD / NIST