CVE-2026-31483 — s390/syscalls: Add spectre boundary for syscall dispatch table
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 controll…
Published: 2026-04-22 · CVSS: Unscored
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.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7