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National Vulnerability Database

National Vulnerability Database

NVD

National Vulnerability Database
  1. Vulnerabilities

CVE-2026-31483 Detail

Description

In the Linux kernel, the following vulnerability has been resolved: s390/syscalls: Add spectre boundary for syscall dispatch table The s390 syscall number is directly controlled by userspace, but does not have an array_index_nospec() boundary to prevent access past the syscall function pointer tables.


Metrics

 
NVD enrichment efforts reference publicly available information to associate vector strings. CVSS information contributed by other sources is also displayed.
CVSS 4.0 Severity and Vector Strings:

NIST CVSS score
NIST: NVD
N/A
NVD assessment not yet provided.

References to Advisories, Solutions, and Tools

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URL Source(s) Tag(s)
https://git.kernel.org/stable/c/1cb9c7bc9025c637564fabc7fcc3c9343949e310 kernel.org
https://git.kernel.org/stable/c/3c3b97064764899c39a0abbd35a6caa031e70333 kernel.org
https://git.kernel.org/stable/c/48b8814e25d073dd84daf990a879a820bad2bcbd kernel.org
https://git.kernel.org/stable/c/4d05dd18d867d58c6952a3bc260d244899da7256 kernel.org
https://git.kernel.org/stable/c/7a5260fbc6e79a1595328ec5c6aa3f937504a1f0 kernel.org
https://git.kernel.org/stable/c/87776f02449e3bded95b2ccbd6b012e9ae64e6f3 kernel.org
https://git.kernel.org/stable/c/f8c444b918d639e1f9a621ee20fe481c1d10dfc4 kernel.org

Weakness Enumeration

CWE-ID CWE Name Source

Change History

1 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2026-31483
NVD Published Date:
04/22/2026
NVD Last Modified:
04/23/2026
Source:
kernel.org