CVE-2022-4172: Fedoraproject Fedora

Medium severity, CVSS 6.5. EPSS: 0.4% chance of exploitation in the next 30 days.

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.

Affected products

• Fedoraproject Fedora: version 37 only
• Qemu Qemu: version 7.0.0 only

Published 2022-11-29. Last modified 2026-06-17.