UBUNTU-CVE-2022-4172

Advisory lineage Upstream: 1 Downstream: 1
Upstream
CVE-2022-4172
Downstream
USN-6167-1
Published: 29 Nov 2022, 18:15
Last modified:04 Feb 2026, 04:28

Vulnerability Summary

Overall Risk (default)
medium
26/100
CVSS Score
6.5 MEDIUM
3.1 (osv_ubuntu)
EPSS Score
No data
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected

Timeline

29 Nov 2022, 18:15
Published
Vulnerability first disclosed
04 Feb 2026, 04:28
Last Modified
Vulnerability information updated

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.

CVSS Metrics

  • v3.1•MEDIUM•Score: 6.5CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H

Affected Systems

  • ubuntu•qemu

    < 1:4.2-3ubuntu6.24 | < 1:6.2+dfsg-2ubuntu6.6

References (5)