CVE-2025-71203
riscv: Sanitize syscall table indexing under speculation
CVSS Score
0.0
EPSS Score
0.0%
EPSS Percentile
0th
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.
| Vendor | linux |
| Product | linux |
| Ecosystems | |
| Industries | Technology |
| Published | Feb 14, 2026 |
| Last Updated | Mar 25, 2026 |
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Affected Versions
Linux / Linux
f0bddf50586da81360627a772be0e355b62f071e < 33743ec6679aa364ee19d1afbaa50593e9e6e443 f0bddf50586da81360627a772be0e355b62f071e < c45848936ebdb4fcab92f8c39510db83c16d0239 f0bddf50586da81360627a772be0e355b62f071e < 8b44e753795107a22ba31495686e83f4aca48f36 f0bddf50586da81360627a772be0e355b62f071e < 25fd7ee7bf58ac3ec7be3c9f82ceff153451946c
Linux / Linux
6.4
References
git.kernel.org: https://git.kernel.org/stable/c/33743ec6679aa364ee19d1afbaa50593e9e6e443 git.kernel.org: https://git.kernel.org/stable/c/c45848936ebdb4fcab92f8c39510db83c16d0239 git.kernel.org: https://git.kernel.org/stable/c/8b44e753795107a22ba31495686e83f4aca48f36 git.kernel.org: https://git.kernel.org/stable/c/25fd7ee7bf58ac3ec7be3c9f82ceff153451946c