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

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MEDIUM

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

Published May 11, 2022

5.5

MEDIUM

CVSS 3.1

EPSS 0.22%

Description

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.

Affected products

Vendor AMD Product EPYC™ Processors Default
n/a
- Version
  various
  Status
  affected
  Constraints
  -

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor

Product

Default status

Versions

AMD

EPYC™ Processors

n/a

Version	Status	Constraints
various	affected	-

Remediation

No remediation recorded yet.

Weaknesses (0)

No CWE recorded.

References (1)

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

Link	Providers	Tags
https://www.amd.com/en/corporate/product-security/bulletin/amd-sb-1028		x_refsource_MISCVendor Advisory

Change history (0)

No recorded changes yet.

Sources

CVE.org / MITRE

Status PUBLISHED

Assigner AMD

Published May 11, 2022

Updated Sep 16, 2024

Reserved Jan 29, 2021

Link CVE-2021-26348

CISA Vulnrichment

Updated n/a

NVD

Status Modified

Modified Jun 17, 2026

Link CVE-2021-26348

Red Hat

Severity n/a

Public date n/a

Links CVE-2021-26348