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Potential Vulnerability in Cloned Code#29

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tlnguyen-smu wants to merge 1 commit intoceph:for-linusfrom
tlnguyen-smu:cve-req-2917
Closed

Potential Vulnerability in Cloned Code#29
tlnguyen-smu wants to merge 1 commit intoceph:for-linusfrom
tlnguyen-smu:cve-req-2917

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@tlnguyen-smu
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This PR fixes a potential security vulnerability in kvm_irqfd() that was cloned from https://github.com/torvalds/linux but did not receive the security patch.

Details:

Affected Function: kvm_irqfd() in virt/kvm/eventfd.c
Original Fix: torvalds/linux@36ae3c0

What this PR does:

This PR applies the same security patch that was applied to the original repository to eliminate the potential vulnerability in the cloned code.

References:

Please review and merge this PR to ensure your repository is protected against this potential vulnerability.

We cannot add routes for gsi values >= KVM_MAX_IRQ_ROUTES -- see kvm_set_irq_routing(). Hence, there is no sense in accepting them via KVM_IRQFD. Prevent them from entering the system in the first place.
@idryomov
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This is a fork used only for development purposes: active branches are rebased periodically, historic branches are retained just for reference. Security vulnerabilities aren't tracked here.

@idryomov idryomov closed this Dec 22, 2025
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3 participants