CVE-2022-4172
13Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 6.5epss 0.4%
exploitation probability
0.4%top 69% of all CVEs
observed exploitation
nono source reports it
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:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H
Affected products
n/a · QEMU (ACPI ERST)References
https://gitlab.com/qemu-project/qemu/-/commit/defb7098https://gitlab.com/qemu-project/qemu/-/issues/1268https://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://security.netapp.com/advisory/ntap-20230127-0013/