What is CVE-2026-45862?

CVE-2026-45862 is a high-severity vulnerability in Linux. CVSS score: 7.8/10. Published 2026-05-27.

How severe is CVE-2026-45862?

High severity. CVSS v3 base score is 7.8 out of 10.

Vulnerability in Linux

CVE-2026-45862

In the Linux kernel, the following vulnerability has been resolved: iommu/vt-d: Flush cache for PASID table before using it When writing the address of a freshly allocated zero-initialized PASID table to a PASID directory entry, do that…

EPSS: 0.000 (2.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H.

Affected products

Linux — versions 7e00b52c8cdd9d3a985d63d72ecae7bde6314883, 5c65f097124770c3e5b9b83ed1a8b68c119bc7b5, 2bed9455db7cc0ab7ece6b3d846472097b52855a

References

416baaa9-dc9f-4396-8d5f-8c081fb06d67
416baaa9-dc9f-4396-8d5f-8c081fb06d67
416baaa9-dc9f-4396-8d5f-8c081fb06d67
416baaa9-dc9f-4396-8d5f-8c081fb06d67
416baaa9-dc9f-4396-8d5f-8c081fb06d67
416baaa9-dc9f-4396-8d5f-8c081fb06d67
416baaa9-dc9f-4396-8d5f-8c081fb06d67
416baaa9-dc9f-4396-8d5f-8c081fb06d67

Frequently asked questions

What is CVE-2026-45862?: CVE-2026-45862 is a high-severity vulnerability in Linux. CVSS score: 7.8/10. Published 2026-05-27.
How severe is CVE-2026-45862?: High severity. CVSS v3 base score is 7.8 out of 10.