riscv: Sanitize syscall table indexing under speculation (Linux Linux)

CVE-2025-71203
HIGH 7.0

At a glance

Source
NVD
EPSS
EPSS 0.15 % · percentile 4 ()
State
PUBLISHED
Published
Updated
Assigner
Linux
NVD status
Modified

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.

Weaknesses (CWE)

  • CWE-129 — Improper Validation of Array Index

References

Scores

VersionScoreVectorScored by
CVSS 3.1HIGH 7.0CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:HNVD · nvd@nist.gov (Primary)

European references

CERT-FR advisories

Affected configurations (NVD CPE)

Affected products

ProductVersions
Linux · Linuxaffected f0bddf50586da81360627a772be0e355b62f071e < 33743ec6679aa364ee19d1afbaa50593e9e6e443 ; affected f0bddf50586da81360627a772be0e355b62f071e < c45848936ebdb4fcab92f8c39510db83c16d0239 ; affected f0bddf50586da81360627a772be0e355b62f071e < 8b44e753795107a22ba31495686e83f4aca48f36 ; affected f0bddf50586da81360627a772be0e355b62f071e < 25fd7ee7bf58ac3ec7be3c9f82ceff153451946c
Linux · Linuxaffected 6.4 ; unaffected 0 < 6.4 ; unaffected 6.6.130 ≤ 6.6.* ; unaffected 6.12.70 ≤ 6.12.* ; unaffected 6.18.10 ≤ 6.18.* ; unaffected 6.19 ≤ *

Sources

SourceLicence
CVE List (CVEProject cvelistV5)CVE Program Terms of Use
EPSS (FIRST.org)FIRST — attribution requested
ENISA EUVDENISA — reproduction authorised, source acknowledged
CERT-FR (ANSSI)Licence Ouverte / Etalab 2.0
NVD (NIST) via fkie-cad/nvd-json-data-feedsPublic domain — this product uses data from the NVD API but is not endorsed or certified by the NVD