PT-2026-86722 · Azure Linux · Kernel
Published
2026-08-28
·
Updated
2026-08-28
None
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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]
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Related Identifiers
Affected Products
Kernel