CVE-2022-4172
6.5
MEDIUM
CVSS 3.1
EPSS 0.03%
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.
How to fix CVE-2022-4172
To remediate CVE-2022-4172, upgrade the affected package to a fixed version below.
- —upgrade to 1:7.2+dfsg-1 or later
Is CVE-2022-4172 being exploited?
Low — EPSS is 0.0%, meaning exploitation activity has not been observed at scale.
Affected packages (1)
- from 0, < 1:7.2+dfsg-1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM6.5 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H |