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PRIOn knowledge basePRION:CVE-2022-4172HistoryNov 29, 2022 - 6:15 p.m.
Integer overflow
2022-11-2918:15:00
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6
integer overflow
buffer overflow
qemu
acpi erst
guest overrun
host buffer
malicious guest
crash
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.
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