CVE - CVE-2021-3735

CVE-ID
CVE-2021-3735	Learn more at National Vulnerability Database (NVD) • CVSS Severity Rating • Fix Information • Vulnerable Software Versions • SCAP Mappings • CPE Information
Description
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.
References
Note: References are provided for the convenience of the reader to help distinguish between vulnerabilities. The list is not intended to be complete.
MISC:https://access.redhat.com/security/cve/CVE-2021-3735 URL:https://access.redhat.com/security/cve/CVE-2021-3735 MISC:https://bugzilla.redhat.com/show_bug.cgi?id=1997184 URL:https://bugzilla.redhat.com/show_bug.cgi?id=1997184 MISC:https://security-tracker.debian.org/tracker/CVE-2021-3735 URL:https://security-tracker.debian.org/tracker/CVE-2021-3735
Assigning CNA
Red Hat, Inc.
Date Record Created
20210825	Disclaimer: The record creation date may reflect when the CVE ID was allocated or reserved, and does not necessarily indicate when this vulnerability was discovered, shared with the affected vendor, publicly disclosed, or updated in CVE.
Phase (Legacy)
Assigned (20210825)
Votes (Legacy)

Comments (Legacy)

Proposed (Legacy)
N/A
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