CVE-2023-31355
Improper restriction of write operations in SNP firmware could allow a malicious hypervisor to overwrite a guest's UMC seed potentially allowing reading of memory from a decommissioned guest.
- Score
- CVSS 3.1 6.0 Medium
- Status
- Analyzed - psirt@amd.com
- Published
- 2024-08-05
- Last modified
- 2024-08-06
- Weaknesses
- CWE-119, CWE-787
Affected products
- 3rd Gen Amd Epyc Processors (Amd)
- 4th Gen Amd Epyc Processors (Amd)
- Amd Epyc Embedded 7003 (Amd)
- Amd Epyc Embedded 9003 (Amd)
- Epyc 7203 Firmware (Amd)
- Epyc 7203p Firmware (Amd)
- Epyc 72f3 Firmware (Amd)
- Epyc 7303 Firmware (Amd)
- Epyc 7303p Firmware (Amd)
- Epyc 7313 Firmware (Amd)
- Epyc 7313p Firmware (Amd)
- Epyc 7343 Firmware (Amd)
- Epyc 7373x Firmware (Amd)
- Epyc 73f3 Firmware (Amd)
- Epyc 7413 Firmware (Amd)
- Epyc 7443 Firmware (Amd)
- Epyc 7443p Firmware (Amd)
- Epyc 7453 Firmware (Amd)
- Epyc 7473x Firmware (Amd)
- Epyc 74f3 Firmware (Amd)
- Epyc 7513 Firmware (Amd)
- Epyc 7543 Firmware (Amd)
- Epyc 7543p Firmware (Amd)
- Epyc 7573x Firmware (Amd)
- Epyc 75f3 Firmware (Amd)
- Epyc 7643 Firmware (Amd)
- Epyc 7643p Firmware (Amd)
- Epyc 7663 Firmware (Amd)
- Epyc 7663p Firmware (Amd)
- Epyc 7713 Firmware (Amd)
- Epyc 7713p Firmware (Amd)
- Epyc 7763 Firmware (Amd)
- Epyc 7773x Firmware (Amd)
- Epyc 8024p Firmware (Amd)
- Epyc 8024pn Firmware (Amd)
- Epyc 8124p Firmware (Amd)
- Epyc 8124pn Firmware (Amd)
- Epyc 8224p Firmware (Amd)
- Epyc 8224pn Firmware (Amd)
- Epyc 8324p Firmware (Amd)
- Epyc 8324pn Firmware (Amd)
- Epyc 8434p Firmware (Amd)
- Epyc 8434pn Firmware (Amd)
- Epyc 8534p Firmware (Amd)
- Epyc 8534pn Firmware (Amd)
- Epyc 9124 Firmware (Amd)
- Epyc 9174f Firmware (Amd)
- Epyc 9184x Firmware (Amd)
- Epyc 9224 Firmware (Amd)
- Epyc 9254 Firmware (Amd)
- Epyc 9274f Firmware (Amd)
- Epyc 9334 Firmware (Amd)
- Epyc 9354 Firmware (Amd)
- Epyc 9354p Firmware (Amd)
- Epyc 9374f Firmware (Amd)
- Epyc 9384x Firmware (Amd)
- Epyc 9454 Firmware (Amd)
- Epyc 9454p Firmware (Amd)
- Epyc 9474f Firmware (Amd)
- Epyc 9534 Firmware (Amd)
- Epyc 9554 Firmware (Amd)
- Epyc 9554p Firmware (Amd)
- Epyc 9634 Firmware (Amd)
- Epyc 9654 Firmware (Amd)
- Epyc 9654p Firmware (Amd)
- Epyc 9684x Firmware (Amd)
- Epyc 9734 Firmware (Amd)
- Epyc 9754 Firmware (Amd)
- Epyc 9754s Firmware (Amd)
- Epyc Embedded 7313 Firmware (Amd)
- Epyc Embedded 7313p Firmware (Amd)
- Epyc Embedded 7413 Firmware (Amd)
- Epyc Embedded 7443 Firmware (Amd)
- Epyc Embedded 7443p Firmware (Amd)
- Epyc Embedded 7543 Firmware (Amd)
- Epyc Embedded 7543p Firmware (Amd)
- Epyc Embedded 7643 Firmware (Amd)
- Epyc Embedded 7713 Firmware (Amd)
- Epyc Embedded 7713p Firmware (Amd)
- Epyc Embedded 9124 Firmware (Amd)
- Epyc Embedded 9254 Firmware (Amd)
- Epyc Embedded 9354 Firmware (Amd)
- Epyc Embedded 9354p Firmware (Amd)
- Epyc Embedded 9454 Firmware (Amd)
- Epyc Embedded 9454p Firmware (Amd)
- Epyc Embedded 9534 Firmware (Amd)
- Epyc Embedded 9554 Firmware (Amd)
- Epyc Embedded 9554p Firmware (Amd)
- Epyc Embedded 9654 Firmware (Amd)
- Epyc Embedded 9654p Firmware (Amd)
References
- https://https://www.amd.com/en/resources/product-security/bulletin/amd-sb-3011.html
