CVE-2021-3735
EUVD-2021-2701126.08.2022, 16:15
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.Enginsight
Affected Products (NVD)
| Vendor | Product | Version |
|---|---|---|
| qemu | qemu | 6.1.0:rc4 |
| debian | debian_linux | 10.0 |
| debian | debian_linux | 11.0 |
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= Vulnerable software versions
Debian Releases
Ubuntu Releases
Common Weakness Enumeration
- CWE-667 - Improper LockingThe software does not properly acquire or release a lock on a resource, leading to unexpected resource state changes and behaviors.
- CWE-400 - Uncontrolled Resource ConsumptionThe software does not properly control the allocation and maintenance of a limited resource, thereby enabling an actor to influence the amount of resources consumed, eventually leading to the exhaustion of available resources.
References