VULNERABILITY INTELLIGENCE
CVE-2021-26312
CVSS score5.5 MEDIUM
EPSS probability0.25%
CISA KEVNot currently listed
Published2021-11-16
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/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.
Weakness classification
- CWE-665: Improper Initialization
- CWE-668: Exposure of Resource to Wrong Sphere