Reference page — cumulative record through Wednesday, August 19, 2026 UTC. Reference pages update as the archive grows; only dated daily editions are immutable pages of record.
Linux Linux — riscv: vector: Fix context save/restore with xtheadvector
AV AC PR UI S C I A CVSS EPSS %ile KEV
L L L N U N N H 5.5 .0015 4.5 —
AFFECTED
Product Versions Fixed
Linux d863910eabaffc68eb28aaf476dd870fc3f7197d – —
Linux 6.14 – 6.15.5
TIMELINE
Apr 16 Reserved by Linux
Jul 25 Published (CNA: Linux)
Jul 30 RESCORED — CVE-2025-38435 (Linux). CVSS 7.8 → 5.5 (NVD).
Description
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.
Lifecycle
Complete event history — 3 events, chronological
| Date | Event | Detail |
| April 16, 2025 | Reserved | Reserved by Linux |
| July 25, 2025 | Published | Published (CNA: Linux) |
| July 30, 2026 | RESCORED | RESCORED — CVE-2025-38435 (Linux). CVSS 7.8 → 5.5 (NVD). |
Affected
Affected products and packages — 2 rows
| Vendor | Product / Package | Ecosystem | Version introduced | Fixed |
| Linux | Linux | — | d863910eabaffc68eb28aaf476dd870fc3f7197d | — |
| Linux | Linux | — | 6.14 | 6.15.5 |
About this page
This is a reference page, not a dated page of record. It assembles the complete lifecycle of CVE-2025-38435 from the CVE Program record, NVD enrichment, the CISA KEV catalog, EPSS, and OSV advisories. The box score's numbers (CVSS, EPSS, KEV status) are current as of Wednesday, August 19, 2026 UTC and are re-derived as the archive grows; only dated daily editions are immutable pages of record. The authoritative source for this identifier is cve.org.