CVE-2022-4172

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.

Score

CVSS 3.1 6.5 Medium

Status

Modified - secalert@redhat.com

Published

2022-11-29

Last modified

2025-04-14

Weaknesses

CWE-120

Affected products

• Fedora (Fedoraproject)
• Qemu (Qemu)

References

• https://gitlab.com/qemu-project/qemu/-/commit/defb7098
• https://gitlab.com/qemu-project/qemu/-/issues/1268
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/I7J5IRXJYLELW7D43A75LO…
• https://lore.kernel.org/qemu-devel/20221024154233.1043347-1-lk%40c--e.de/
• https://security.netapp.com/advisory/ntap-20230127-0013/