MEDIUM 6.7 NVD
CVE-2026-81627
A flaw was found in QEMU. The VAPIC setup hypercall in hw/i386/vapic.c does not validate that the writable RAM alias remains within the option ROM window. A pri
A flaw was found in QEMU. The VAPIC setup hypercall in hw/i386/vapic.c does not validate that the writable RAM alias remains within the option ROM window. A privileged guest user on a Q35/KVM machine can position this alias over locked SMRAM, bypassing chipset D_LCK protection and injecting code into System Management Mode memory.
References
- https://access.redhat.com/security/cve/CVE-2026-81627
- https://bugzilla.redhat.com/show_bug.cgi?id=2536950
- https://gitlab.com/qemu-project/qemu/-/work_items/4206
This medium severity vulnerability with a CVSS score of 6.7 was published on 2026-09-18 via NVD.
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