What is CVE-2026-53164?

CVE-2026-53164 is a medium-severity vulnerability in Linux. CVSS score: 5.5/10. Published 2026-06-25.

How severe is CVE-2026-53164?

Medium severity. CVSS v3 base score is 5.5 out of 10.

Vulnerability in Linux

CVE-2026-53164

In the Linux kernel, the following vulnerability has been resolved: iommu/dma: Do not try to iommu_map a 0 length region in swiotlb iommu_dma_iova_link_swiotlb() processes a mapping that is unaligned in three parts, the head, middle and…

EPSS: 0.001 (2.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.

Affected products

Linux — versions 433a76207dcf5facc0183acb790f6e8398585258, 6.16, 0
Linux Linux_kernel — versions 7.1

References

416baaa9-dc9f-4396-8d5f-8c081fb06d67 (Patch)
416baaa9-dc9f-4396-8d5f-8c081fb06d67 (Patch)
416baaa9-dc9f-4396-8d5f-8c081fb06d67 (Patch)

Frequently asked questions

What is CVE-2026-53164?: CVE-2026-53164 is a medium-severity vulnerability in Linux. CVSS score: 5.5/10. Published 2026-06-25.
How severe is CVE-2026-53164?: Medium severity. CVSS v3 base score is 5.5 out of 10.