Vulnerability in Linux

CVE-2025-71203

In the Linux kernel, the following vulnerability has been resolved: riscv: Sanitize syscall table indexing under speculation The syscall number is a user-controlled value used to index into the syscall table. Use array_index_nospec() to clamp this value after the bounds check to prevent speculative out-of-bounds access and subsequent data leakage via cache side channels.

EPSS: 0.001 (2.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.0 (High). Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2025-71203?
CVE-2025-71203 is a high-severity vulnerability in Linux, classified under Improper Validation of Array Index. CVSS score: 7.0/10. Published 2026-02-14.
How severe is CVE-2025-71203?
High severity. CVSS v3 base score is 7.0 out of 10.