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A deadlock issue was found in the AHCI controller device of QEMU. It occurs on a software reset (ahci_reset_port) while handling a host-to-device Register FIS (Frame Information Structure) packet from the guest. A privileged user inside the guest could use this flaw to hang the QEMU process on the host, resulting in a denial of service condition. The highest threat from this vulnerability is to system availability.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Debian | — | No solution exists | May 15, 2025 | Aug 26, 2022 |
| Redhat_linux | — | No solution exists | Jul 9, 2025 | Aug 26, 2022 |
| Ubuntu | — | No solution exists | Jun 26, 2025 | Aug 26, 2022 |
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