What is CVE-2026-45896?

CVE-2026-45896 is a high-severity vulnerability in Linux, classified under Improper Validation of Array Index. CVSS score: 7.8/10. Published 2026-05-27.

How severe is CVE-2026-45896?

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

Vulnerability in Linux

CVE-2026-45896

In the Linux kernel, the following vulnerability has been resolved: mtd: intel-dg: Fix accessing regions before setting nregions The regions array is counted by nregions, but it's set only after accessing it: [] UBSAN: array-index-out-o…

EPSS: 0.002 (5.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

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

Affected products

Linux — versions ceb5ab3cb64637952657be23d347e1c79dd02212, 6.17, 0
Linux Linux_kernel

Weakness classification (CWE)

CWE-129 — Improper Validation of Array Index

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-2026-45896?: CVE-2026-45896 is a high-severity vulnerability in Linux, classified under Improper Validation of Array Index. CVSS score: 7.8/10. Published 2026-05-27.
How severe is CVE-2026-45896?: High severity. CVSS v3 base score is 7.8 out of 10.