What is CVE-2026-31468?

CVE-2026-31468 is a high-severity vulnerability in Linux, classified under Double Free. CVSS score: 7.8/10. Published 2026-04-22.

How severe is CVE-2026-31468?

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

Double Free in Linux

CVE-2026-31468

In the Linux kernel, the following vulnerability has been resolved: vfio/pci: Fix double free in dma-buf feature The error path through vfio_pci_core_feature_dma_buf() ignores its own advice to only use dma_buf_put() after dma_buf_export…

Vulnerability class: Double Free

EPSS: 0.000 (4.2th 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 5d74781ebc86c5fa9e9d6934024c505412de9b52, 6.19, 0
Linux Linux_kernel — versions 7.0

Weakness classification (CWE)

CWE-415 — Double Free

References

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

Frequently asked questions

What is CVE-2026-31468?: CVE-2026-31468 is a high-severity vulnerability in Linux, classified under Double Free. CVSS score: 7.8/10. Published 2026-04-22.
How severe is CVE-2026-31468?: High severity. CVSS v3 base score is 7.8 out of 10.