CVE-2021-26348

Failure to flush the Translation Lookaside Buffer (TLB) of the I/O memory management unit (IOMMU) may lead an IO device to write to memory it should not be able to access, resulting in a potential loss of integrity.

Score

CVSS 3.1 5.5 Medium

Status

Modified - psirt@amd.com

Published

2022-05-11

Last modified

2024-09-16

Affected products

• Epyc 72f3 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 7663 Firmware (Amd)
• Epyc 7713 Firmware (Amd)
• Epyc 7713p Firmware (Amd)
• Epyc 7763 Firmware (Amd)
• Epyc 7773x Firmware (Amd)
• Epyc Processors (Amd)

References

• https://www.amd.com/en/corporate/product-security/bulletin/amd-sb-1028