Vulnerabilities > CVE-2022-4172
Attack vector
LOCAL Attack complexity
LOW Privileges required
LOW Confidentiality impact
NONE Integrity impact
NONE Availability impact
HIGH Summary
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.
Vulnerable Configurations
| Part | Description | Count |
|---|---|---|
| Application | 1 | |
| OS | 1 |
References
- https://gitlab.com/qemu-project/qemu/-/commit/defb7098
- https://gitlab.com/qemu-project/qemu/-/commit/defb7098
- https://gitlab.com/qemu-project/qemu/-/issues/1268
- https://gitlab.com/qemu-project/qemu/-/issues/1268
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/I7J5IRXJYLELW7D43A75LOWRUE5EU54O/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/I7J5IRXJYLELW7D43A75LOWRUE5EU54O/
- https://lore.kernel.org/qemu-devel/20221024154233.1043347-1-lk%40c--e.de/
- https://lore.kernel.org/qemu-devel/20221024154233.1043347-1-lk%40c--e.de/
- https://security.netapp.com/advisory/ntap-20230127-0013/
- https://security.netapp.com/advisory/ntap-20230127-0013/