References to Advisories, Solutions, and Tools

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Change History

An optional feature of PCI MSI called "Multiple Message" allows a
device to use multiple consecutive interrupt vectors.  Unlike for MSI-X,
the setting up of these consecutive vectors needs to happen all in one
go.  In this handling an error path could be taken in different
situations, with or without a particular lock held.  This error path
wrongly releases the lock even when it is not currently held.

Xen Project https://xenbits.xenproject.org/xsa/advisory-458.html [No types assigned]