CVE-2021-3735CWE-667

A deadlock issue was found in the AHCI controller device of QEMU

published August 26, 2022

CVSS
—
EPSS
0%
Percentile
10.1
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.00206 · 10.1th percentile
Weakness
CWE-667 · Improper Locking
Published
2022-08-26T15:25Z
EPSS history
Timeline
  • 26 AUG 15:25Z
    A deadlock issue was found in the AHCI controller device of QEMU
    cvelistv5