Vulnerability 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.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux Kernel | >= 6.4, < 6.12.70 |
Related Weaknesses (CWE)
References
- https://git.kernel.org/stable/c/25fd7ee7bf58ac3ec7be3c9f82ceff153451946cPatch
- https://git.kernel.org/stable/c/33743ec6679aa364ee19d1afbaa50593e9e6e443
- https://git.kernel.org/stable/c/8b44e753795107a22ba31495686e83f4aca48f36Patch
- https://git.kernel.org/stable/c/c45848936ebdb4fcab92f8c39510db83c16d0239Patch
FAQ
What is CVE-2025-71203?
CVE-2025-71203 is a vulnerability with a CVSS score of 7.0 (HIGH). 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 sysc...
How severe is CVE-2025-71203?
CVE-2025-71203 has been rated HIGH with a CVSS base score of 7.0/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2025-71203?
Check the references section above for vendor advisories and patch information. Affected products include: Linux Linux Kernel.