UBUNTU-CVE-2021-3735
Dashboard / Vulnerabilities / UBUNTU-CVE-2021-3735
Summary:
Details: 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: https://ubuntu.com/security/CVE-2021-3735, https://www.cve.org/CVERecord?id=CVE-2021-3735
Affected packages
Package
Name: qemu
Purl: pkg:deb/ubuntu/qemu?arch=source&distro=esm-infra-legacy%2Ftrusty
Affected ranges
Type: ECOSYSTEM
Events:
Introduced- 0
Fixed -None
Affected versions
1.5.0+dfsg-3ubuntu5
1.5.0+dfsg-3ubuntu6
Common Vulnerability Scoring System
Attack Vector
Network
Adjacent
Local
Physical
Privileges Required
None
Low
High
User Interaction
None
Required
Scope
Unchanged
Changed
Confidentiality
None
Low
High
Integrity
None
Low
High
Availability
None
Low
High
