CVE-2021-26326
Published: 16 November 2021
Summary
CVE-2021-26326 is a high-severity Improper Initialization (CWE-665) vulnerability in Amd Epyc 7232P Firmware. Its CVSS base score is 7.8 (High).
Operationally, ranked at the 31.6th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2021-13132
Vulnerability details
Failure to validate VM_HSAVE_PA during SNP_INIT may result in a loss of memory integrity.
- CWE(s)
Related Threats
No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.
Affected Assets
Mitigating Controls
Likely Mitigating Controls AI
Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.
Ensures shared resources are explicitly initialized or cleared on allocation, preventing exposure of prior contents to new users or processes.
Mandates that every instance begins in a known (presumably clean) state, eliminating reliance on residual or uninitialized state left by prior executions.