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.

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.

EPSS: 0.001 (4.5th 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 d863910eabaffc68eb28aaf476dd870fc3f7197d, 6.14, 0
Linux Linux_kernel — versions 6.16

References

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

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.