VULNERABILITY INTELLIGENCE

CVE-2022-4172

CVSS score6.5 MEDIUM
EPSS probability0.39%
CISA KEVNot currently listed
Published2022-11-29
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H

Description

An integer overflow and buffer overflow issues were found in the ACPI Error Record Serialization Table (ERST) device of QEMU in the read_erst_record() and write_erst_record() functions. Both issues may allow the guest to overrun the host buffer allocated for the ERST memory device. A malicious guest could use these flaws to crash the QEMU process on the host.

Weakness classification

  • secalert@redhat.com: CWE-120

Primary references