CVE-2021-3735 (GCVE-0-2021-3735)

Vulnerability from cvelistv5 – Published: 2022-08-26 15:25 – Updated: 2025-02-28 13:07
VLAI?
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.
Severity ?
No CVSS data available.
CWE
  • CWE-667 - - Improper Locking -> CWE-400 - Uncontrolled Resource Consumption
Assigner
References
Impacted products
Vendor Product Version
n/a QEMU Affected: Not Known
Show details on NVD website
To clipboard 

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  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
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  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



Detection rules are retrieved from Rulezet.