Vulnerability in Linux

CVE-2026-31788

In the Linux kernel, the following vulnerability has been resolved: xen/privcmd: restrict usage in unprivileged domU The Xen privcmd driver allows to issue arbitrary hypercalls from user space processes. This is normally no problem, as a…

EPSS: 0.000 (5.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.2 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H.

Affected products

  • Linux — versions 1c5de1939c204bde9cce87f4eb3d26e9f9eb732b, 2.6.37, 0

References

Frequently asked questions

What is CVE-2026-31788?
CVE-2026-31788 is a high-severity vulnerability in Linux. CVSS score: 8.2/10. Published 2026-03-25.
How severe is CVE-2026-31788?
High severity. CVSS v3 base score is 8.2 out of 10.