Search/CVE-2025-38435
● CVE — High

CVE-2025-38435

VendorlinuxProductlinux kernelDiscoveredJul 25, 2025UpdatedJul 30, 2026

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.

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CVSS v3.1
7.8 HIGH
EPSS
0.17%
probability of exploitation in 30 days
CISA KEV
Not listed
no confirmed exploitation reported
News coverage
6
sources referencing this CVE
Related IOCs
0
seen in the same coverage
EPSS Trend
Aug 16, 2026 → Oct 27, 2026
▲ 0.02pp
0.15% → 0.17% over 4 tracked changes
CVSS v3.1 Detail
Attack VectorLOCAL
Attack ComplexityLOW
Privileges RequiredLOW
User InteractionNONE
ScopeUNCHANGED
ConfidentialityHIGH
IntegrityHIGH
AvailabilityHIGH
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Connections
7 relationships
Timeline
disclosure → media coverage
Jul 25, 2025
Disclosure — published as a CVE record. · last revised by NVD Jul 30, 2026
Oct 21, 2025
ubuntu.com reports: USN-7833-1: Linux kernel vulnerabilities
Oct 22, 2025
ubuntu.com reports: USN-7834-1: Linux kernel (Azure) vulnerabilities
Oct 22, 2025
ubuntu.com reports: USN-7833-2: Linux kernel (Real-time) vulnerabilities
Oct 24, 2025
ubuntu.com reports: USN-7833-3: Linux kernel (AWS) vulnerabilities
Oct 31, 2025
ubuntu.com reports: USN-7833-4: Linux kernel (GCP) vulnerabilities
Nov 4, 2025
ubuntu.com reports: USN-7856-1: Linux kernel (HWE) vulnerabilities