CVE-2021-3735
N/A
N/A
Summary
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.
Affected Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| n/a | QEMU | Not Known | affected |
Weaknesses
- CWE-667: CWE-667 - Improper Locking -> CWE-400 - Uncontrolled Resource Consumption
ADP Enrichment
CVE Program Container
Additional References
- https://bugzilla.redhat.com/show_bug.cgi?id=1997184
- https://access.redhat.com/security/cve/CVE-2021-3735
- https://security-tracker.debian.org/tracker/CVE-2021-3735
- https://security.netapp.com/advisory/ntap-20250228-0009/
References
- https://bugzilla.redhat.com/show_bug.cgi?id=1997184
- https://access.redhat.com/security/cve/CVE-2021-3735
- https://security-tracker.debian.org/tracker/CVE-2021-3735
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