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.
| Product | Vendor | Version |
|---|---|---|
| Linux | Linux | 12.x before 12.5.8 |
| Linux | Linux | 4.x before 4.6.1 |
| Linux | Linux | n/a |
| Linux | Linux | 7.5.2 |