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
- Linux — versions f0bddf50586da81360627a772be0e355b62f071e, 6.4, 0
- Linux Linux_kernel — versions 6.19
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.