CVE-2026-7328 — Unverified AXI Address in Subsystem Mode Commands Enables Denial of Service

CVE-2026-7328

Unverified AXI Address in Subsystem Mode Commands Enables Denial of Service PUBLISHED

Description (CNA)

Missing authorization in Caliptra Core Runtime Firmware (INVOKE_DPE_MLDSA87, CM_AES_GCM_DECRYPT_DMA, EXTERNAL_MAILBOX_CMD commands) in subsystem mode allows a privileged local attacker to cause a denial of service via mailbox commands containing unverified AXI addresses. The security impact beyond availability is integration-specific. This issue affects Core Runtime Firmware: 2.1.0.

Affected (CNA)

Vendor / product	Versions
Caliptra / Core Runtime Firmware	affected 2.1.0; unaffected 2.1.1

CWE

CWE-862

References

https://github.com/chipsalliance/caliptra-sw/security/advisories/GHSA-c5v4-q445-wv84

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.