CVE-2026-80676

Drivers: hv: vmbus: use generic driver_override infrastructure

N/A
Published: August 28, 2026 at 06:49 AM UTC
Updated: October 21, 2026 at 01:19 PM UTC
1 product affected across 1 vendorLinux Kernel

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Severity
N/A
Exploit prediction
EPSS 0.2%

Description

In the Linux kernel, the following vulnerability has been resolved: Drivers: hv: vmbus: use generic driver_override infrastructure When a driver is probed through __driver_attach(), the bus' match() callback is called without the device lock held, thus accessing the driver_override field without a lock, which can cause a UAF. Fix this by using the driver-core driver_override infrastructure taking care of proper locking internally. Note that calling match() from __driver_attach() without the device lock held is intentional. [1]

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

4.20d765edbb301c0e196015a59b17420558088ea33f
Vendor states this is fixed in 0e2f0833556c8c5269deb457b89d538644a3b747 (fixed)
Vendor states this is fixed in 2fb010ea7ca98cd09a6d365260b769f627e73a76 (fixed)
Vendor states this is fixed in 331d8900121a1d74ecd45cd2db742ddcb5a0a565 (fixed)
Vendor states this is fixed in d1cb12ae81d2f7a58b0b1cfb51862afca98e6058 (fixed)
Vendor states this is fixed in 4.20 (unaffected)
Vendor states this is fixed in 6.12.97 (unaffected)
Vendor states this is fixed in 6.18.40 (unaffected)
Vendor states this is fixed in 6.6.160 (unaffected)
Vendor states this is fixed in 7.1.5 (unaffected)
Vendor states this is fixed in 7.2 (unaffected)

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

Quick Info

StatusRECEIVED

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