CVE-2022-4172

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.

Affected Software

Weaknesses

• CWE-120: CWE-120, CWE-190

ADP Enrichment

CVE Program Container

Additional References

• https://lore.kernel.org/qemu-devel/20221024154233.1043347-1-lk%40c–e.de/
• https://gitlab.com/qemu-project/qemu/-/issues/1268
• https://gitlab.com/qemu-project/qemu/-/commit/defb7098
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/I7J5IRXJYLELW7D43A75LOWRUE5EU54O/
• https://security.netapp.com/advisory/ntap-20230127-0013/

CISA ADP Vulnrichment

• SSVC:
• Exploitation: none
  • Automatable: no
  • Technical Impact: partial

References

• https://lore.kernel.org/qemu-devel/20221024154233.1043347-1-lk%40c–e.de/
• https://gitlab.com/qemu-project/qemu/-/issues/1268
• https://gitlab.com/qemu-project/qemu/-/commit/defb7098
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/I7J5IRXJYLELW7D43A75LOWRUE5EU54O/
• https://security.netapp.com/advisory/ntap-20230127-0013/

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