Back to Database
Status published
Medium
CVE-2021-26348
Failure to flush the Translation Lookaside Buffer (TLB) of the...
Vulnerability 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.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
THREAT MONITOR
Am I Vulnerable?
Launch our assessment wizard to check if your infrastructure is exposed to • CVE-2021-26348
Credits & Attribution
No credits recorded in the NVD database.
More from AMD
View All →CVE-2025-66664
Insufficient parameter sanitization in AMD Secure Processor (ASP) TEE SOC...
Medium
4.6
CVE-2025-66660
Insufficient parameter sanitization in TEE SOC Driver could allow an...
Low
1.8
CVE-2025-62628
Unsafe OpenSSL initialization within some AMD optional tools may allow...
High
7
CVE-2025-62627
An untrusted pointer dereference in the ionic cloud driver for...
High
7.2
CVE-2025-62626
Improper handling of insufficient entropy in the AMD CPUs could...
High
7.2
Affected Vendor
Affected Software
EPYC™ Processors
Vulnerable Versions:
various
Timeline
Official Publish:
May 11th, 2022
Last Modified:
September 16th, 2024
Added to House:
July 21st, 2026
CVSS Vectors
V3:
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
Weaknesses (CWE)
No CWE data available
MITRE ATT&CK TTPs
No associated TTPs found for this vulnerability.