{"id":"UBUNTU-CVE-2022-4172","details":"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to crash the QEMU process on the host.","modified":"2026-01-30T01:12:14.923983Z","published":"2022-11-29T18:15:00Z","withdrawn":"2025-07-18T16:49:07Z","related":["USN-6167-1"],"upstream":["CVE-2022-4172"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2022-4172"},{"type":"REPORT","url":"https://lore.kernel.org/qemu-devel/20221024154233.1043347-1-lk@c--e.de/"},{"type":"REPORT","url":"https://gitlab.com/qemu-project/qemu/-/commit/defb7098"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-6167-1"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2022-4172"}],"affected":[{"package":{"name":"qemu","ecosystem":"Ubuntu:20.04:LTS","purl":"pkg:deb/ubuntu/qemu@1:4.2-3ubuntu6.24?arch=source&distro=focal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:4.2-3ubuntu6.24"}]}],"versions":["1:4.0+dfsg-0ubuntu9","1:4.0+dfsg-0ubuntu10","1:4.2-1ubuntu1","1:4.2-1ubuntu2","1:4.2-3ubuntu1","1:4.2-3ubuntu2","1:4.2-3ubuntu3","1:4.2-3ubuntu4","1:4.2-3ubuntu5","1:4.2-3ubuntu6","1:4.2-3ubuntu6.1","1:4.2-3ubuntu6.2","1:4.2-3ubuntu6.3","1:4.2-3ubuntu6.4","1:4.2-3ubuntu6.5","1:4.2-3ubuntu6.6","1:4.2-3ubuntu6.7","1:4.2-3ubuntu6.8","1:4.2-3ubuntu6.9","1:4.2-3ubuntu6.10","1:4.2-3ubuntu6.11","1:4.2-3ubuntu6.12","1:4.2-3ubuntu6.14","1:4.2-3ubuntu6.15","1:4.2-3ubuntu6.16","1:4.2-3ubuntu6.17","1:4.2-3ubuntu6.18","1:4.2-3ubuntu6.19","1:4.2-3ubuntu6.21","1:4.2-3ubuntu6.23"],"ecosystem_specific":{"availability":"No 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