VULNERABILITY INTELLIGENCE
CVE-2021-26348
CVSS score5.5 MEDIUM
EPSS probability0.22%
CISA KEVNot currently listed
Published2022-05-11
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
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.
Primary references
- psirt@amd.com — Vendor Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Vendor Advisory