What is CVE-2026-46066?

CVE-2026-46066 is a medium-severity vulnerability in Linux, classified under Off-by-one Error. CVSS score: 5.5/10. Published 2026-05-27.

How severe is CVE-2026-46066?

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

Vulnerability in Linux

CVE-2026-46066

In the Linux kernel, the following vulnerability has been resolved: ceph: fix num_ops off-by-one when crypto allocation fails move_dirty_folio_in_page_array() may fail if the file is encrypted, the dirty folio is not the first in the bat…

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 7.1-rc1, d55207717ded95c8f2760a30e93319fa313186e6, 6.18.30
Linux Linux_kernel

Weakness classification (CWE)

CWE-193 — Off-by-one Error

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-2026-46066?: CVE-2026-46066 is a medium-severity vulnerability in Linux, classified under Off-by-one Error. CVSS score: 5.5/10. Published 2026-05-27.
How severe is CVE-2026-46066?: Medium severity. CVSS v3 base score is 5.5 out of 10.