CVE-2021-26340
A malicious hypervisor in conjunction with an unprivileged attacker process inside an SEV/SEV-ES guest VM may fail to flush the Translation Lookaside Buffer (TLB) resulting in unexpected behavior inside the virtual machine (VM).
- Score
- CVSS 3.1 8.4 High
- Status
- Modified - psirt@amd.com
- Published
- 2021-12-10
- Last modified
- 2024-09-16
Affected products
- Amd Epyc (Amd)
- Epyc 7001 Firmware (Amd)
- Epyc 7232p Firmware (Amd)
- Epyc 7251 Firmware (Amd)
- Epyc 7252 Firmware (Amd)
- Epyc 7261 Firmware (Amd)
- Epyc 7262 Firmware (Amd)
- Epyc 7272 Firmware (Amd)
- Epyc 7281 Firmware (Amd)
- Epyc 7282 Firmware (Amd)
- Epyc 72f3 Firmware (Amd)
- Epyc 7301 Firmware (Amd)
- Epyc 7302 Firmware (Amd)
- Epyc 7302p Firmware (Amd)
- Epyc 7313 Firmware (Amd)
- Epyc 7313p Firmware (Amd)
- Epyc 7343 Firmware (Amd)
- Epyc 7351 Firmware (Amd)
- Epyc 7351p Firmware (Amd)
- Epyc 7352 Firmware (Amd)
- Epyc 7371 Firmware (Amd)
- Epyc 73f3 Firmware (Amd)
- Epyc 7401 Firmware (Amd)
- Epyc 7401p Firmware (Amd)
- Epyc 7402 Firmware (Amd)
- Epyc 7402p Firmware (Amd)
- Epyc 7413 Firmware (Amd)
- Epyc 7443 Firmware (Amd)
- Epyc 7443p Firmware (Amd)
- Epyc 7451 Firmware (Amd)
- Epyc 7452 Firmware (Amd)
- Epyc 7453 Firmware (Amd)
- Epyc 74f3 Firmware (Amd)
- Epyc 7501 Firmware (Amd)
- Epyc 7502 Firmware (Amd)
- Epyc 7502p Firmware (Amd)
- Epyc 7513 Firmware (Amd)
- Epyc 7532 Firmware (Amd)
- Epyc 7542 Firmware (Amd)
- Epyc 7543 Firmware (Amd)
- Epyc 7543p Firmware (Amd)
- Epyc 7551 Firmware (Amd)
- Epyc 7551p Firmware (Amd)
- Epyc 7552 Firmware (Amd)
- Epyc 75f3 Firmware (Amd)
- Epyc 7601 Firmware (Amd)
- Epyc 7642 Firmware (Amd)
- Epyc 7643 Firmware (Amd)
- Epyc 7662 Firmware (Amd)
- Epyc 7663 Firmware (Amd)
- Epyc 7702 Firmware (Amd)
- Epyc 7702p Firmware (Amd)
- Epyc 7713 Firmware (Amd)
- Epyc 7713p Firmware (Amd)
- Epyc 7742 Firmware (Amd)
- Epyc 7763 Firmware (Amd)
- Epyc 7f32 Firmware (Amd)
- Epyc 7f52 Firmware (Amd)
- Epyc 7f72 Firmware (Amd)
- Epyc 7h12 Firmware (Amd)
- Epyc Embedded 3101 Firmware (Amd)
- Epyc Embedded 3151 Firmware (Amd)
- Epyc Embedded 3201 Firmware (Amd)
- Epyc Embedded 3251 Firmware (Amd)
- Epyc Embedded 3255 Firmware (Amd)
- Epyc Embedded 3351 Firmware (Amd)
- Epyc Embedded 3451 Firmware (Amd)
- Epyc Embedded 7232p Firmware (Amd)
- Epyc Embedded 7251 Firmware (Amd)
- Epyc Embedded 7252 Firmware (Amd)
- Epyc Embedded 7261 Firmware (Amd)
- Epyc Embedded 7262 Firmware (Amd)
- Epyc Embedded 7272 Firmware (Amd)
- Epyc Embedded 7281 Firmware (Amd)
- Epyc Embedded 7282 Firmware (Amd)
- Epyc Embedded 7301 Firmware (Amd)
- Epyc Embedded 7302 Firmware (Amd)
- Epyc Embedded 7302p Firmware (Amd)
- Epyc Embedded 7351 Firmware (Amd)
- Epyc Embedded 7352 Firmware (Amd)
- Epyc Embedded 735p Firmware (Amd)
- Epyc Embedded 7371 Firmware (Amd)
- Epyc Embedded 7401 Firmware (Amd)
- Epyc Embedded 7402 Firmware (Amd)
- Epyc Embedded 7402p Firmware (Amd)
- Epyc Embedded 740p Firmware (Amd)
- Epyc Embedded 7451 Firmware (Amd)
- Epyc Embedded 7452 Firmware (Amd)
- Epyc Embedded 7501 Firmware (Amd)
- Epyc Embedded 7502 Firmware (Amd)
- Epyc Embedded 7502p Firmware (Amd)
- Epyc Embedded 7532 Firmware (Amd)
- Epyc Embedded 7542 Firmware (Amd)
- Epyc Embedded 7551 Firmware (Amd)
- Epyc Embedded 7552 Firmware (Amd)
- Epyc Embedded 755p Firmware (Amd)
- Epyc Embedded 7601 Firmware (Amd)
- Epyc Embedded 7642 Firmware (Amd)
- Epyc Embedded 7662 Firmware (Amd)
- Epyc Embedded 7702 Firmware (Amd)
References
- https://www.amd.com/en/corporate/product-security/bulletin/amd-sb-1023