Vulnerability in Linux

CVE-2025-38435

In the Linux kernel, the following vulnerability has been resolved: riscv: vector: Fix context save/restore with xtheadvector Previously only v0-v7 were correctly saved/restored, and the context of v8-v31 are damanged. Correctly save/restore v8-v31 to avoid breaking userspace.

Published · last modified .

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.

EPSS exploit prediction

EPSS: 0.001 (3.5th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 4th percentile — 3.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2025-38435: held from 0.001 to 0.001.

EPSS over last 30 days · oldest: 0.001 · newest: 0.001 · change: +0.000

Affected products

  • Linux — versions d863910eabaffc68eb28aaf476dd870fc3f7197d, 6.14, 0
  • Linux Kernel — versions 6.16

References

Frequently asked questions

What is CVE-2025-38435?
CVE-2025-38435 is a high-severity vulnerability in Linux. CVSS score: 7.8/10. Published 2025-07-25.
How severe is CVE-2025-38435?
High severity. CVSS v3 base score is 7.8 out of 10.