What is CVE-2026-52952?

CVE-2026-52952 is a high-severity vulnerability in Linux, classified under Reachable Assertion. CVSS score: 8.8/10. Published 2026-06-24.

How severe is CVE-2026-52952?

High severity. CVSS v3 base score is 8.8 out of 10.

Vulnerability in Linux

CVE-2026-52952

In the Linux kernel, the following vulnerability has been resolved: iommu: Fix WARN_ON in __iommu_group_set_domain_nofail() due to reset In __iommu_group_set_domain_internal(), concurrent domain attachments are rejected when any device i…

EPSS: 0.001 (3.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H.

Affected products

Linux — versions c279e83953d937470f8a6e69b69f62608714f13f, 7.0, 0
Linux Linux_kernel — versions 7.1

Weakness classification (CWE)

References

416baaa9-dc9f-4396-8d5f-8c081fb06d67 (Patch)
416baaa9-dc9f-4396-8d5f-8c081fb06d67 (Patch)
0b0ca135-0b70-47e7-9f44-1890c2a1c46c (Third Party Advisory)
0b0ca135-0b70-47e7-9f44-1890c2a1c46c (Third Party Advisory)
0b0ca135-0b70-47e7-9f44-1890c2a1c46c (Third Party Advisory)

Frequently asked questions

What is CVE-2026-52952?: CVE-2026-52952 is a high-severity vulnerability in Linux, classified under Reachable Assertion. CVSS score: 8.8/10. Published 2026-06-24.
How severe is CVE-2026-52952?: High severity. CVSS v3 base score is 8.8 out of 10.