CVE-2021-26348

MEDIUM
5.5
CVSS Score
Published: May 11, 2022 at 04:26 PM UTC
Updated: June 17, 2026 at 03:43 AM UTC
47 products affected across 1 vendorEpyc 7713P FirmwareEpyc 7663 FirmwareEpyc 7413 Firmware

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Severity
MEDIUM5.5
Exploit prediction
EPSS 0.2%

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

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

v < milanpi-sp3_1.0.0.7
Affected range stops below milanpi-sp3_1.0.0.7, so it looks safe — our inference, not a vendor statement
amd-epyc-72f3 (same device)
v < milanpi-sp3_1.0.0.7
Affected range stops below milanpi-sp3_1.0.0.7, so it looks safe — our inference, not a vendor statement
amd-epyc-7313 (same device)
v < milanpi-sp3_1.0.0.7
Affected range stops below milanpi-sp3_1.0.0.7, so it looks safe — our inference, not a vendor statement
amd-epyc-7313p (same device)
v < milanpi-sp3_1.0.0.7
Affected range stops below milanpi-sp3_1.0.0.7, so it looks safe — our inference, not a vendor statement
amd-epyc-7343 (same device)
v < milanpi-sp3_1.0.0.7
Affected range stops below milanpi-sp3_1.0.0.7, so it looks safe — our inference, not a vendor statement
amd-epyc-7373x (same device)
v < milanpi-sp3_1.0.0.7
Affected range stops below milanpi-sp3_1.0.0.7, so it looks safe — our inference, not a vendor statement
amd-epyc-73f3 (same device)
v < milanpi-sp3_1.0.0.7
Affected range stops below milanpi-sp3_1.0.0.7, so it looks safe — our inference, not a vendor statement
amd-epyc-7413 (same device)
v < milanpi-sp3_1.0.0.7
Affected range stops below milanpi-sp3_1.0.0.7, so it looks safe — our inference, not a vendor statement
amd-epyc-7443 (same device)
v < milanpi-sp3_1.0.0.7
Affected range stops below milanpi-sp3_1.0.0.7, so it looks safe — our inference, not a vendor statement
amd-epyc-7443p (same device)
v < milanpi-sp3_1.0.0.7
Affected range stops below milanpi-sp3_1.0.0.7, so it looks safe — our inference, not a vendor statement
amd-epyc-7453 (same device)

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

CVSS

Attack Vector
LOCAL
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
HIGH
Availability
NONE
Vector?

Quick Info

StatusMODIFIED
CWE
NVD-CWE-noinfo

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