CVE-2025-71203

riscv: Sanitize syscall table indexing under speculation

State
Published
Severity
Not scored
Published
Feb 14, 2026
Updated
May 11, 2026
Reserved
Jan 31, 2026

Read the record on cve.org

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.

Scores

The record has no CVSS score.

Weaknesses

The record names no weakness.

Affected Products

ProductVersions
LinuxLinux
  • f0bddf50586da81360627a772be0e355b62f071e to before 33743ec6679aa364ee19d1afbaa50593e9e6e443Affected
  • f0bddf50586da81360627a772be0e355b62f071e to before c45848936ebdb4fcab92f8c39510db83c16d0239Affected
  • f0bddf50586da81360627a772be0e355b62f071e to before 8b44e753795107a22ba31495686e83f4aca48f36Affected
  • f0bddf50586da81360627a772be0e355b62f071e to before 25fd7ee7bf58ac3ec7be3c9f82ceff153451946cAffected
LinuxLinux
  • 6.4Affected
  • before 6.4Not affected
  • 6.6.130 through 6.6.*Not affected
  • 6.12.70 through 6.12.*Not affected
  • 6.18.10 through 6.18.*Not affected
  • 6.19 and laterNot affected

References

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