CVE-2025-71203
High
Description
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.
SeverityHigh
CVSS7.0
Exploit probability—
Product
Linux Kernel
PublishedFeb 14, 2026
First seenFeb 14, 2026
How to fix
Update
- linux linux_kernel6.12.70, 6.18.10 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| linux linux_kernel | 6.4 ≤ v < 6.12.70, 6.13 ≤ v < 6.18.10, 6.19 | 6.12.70, 6.18.10 |
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