CVE-2026-31483
MEDIUM
MEDIUM
Priority: 0.01
BB Relevance:
36/100
Published: 2026-04-22
Modified: 2026-11-11
First seen: 2026-11-05
Status: active
Attack Surface
Low Complexity
No Interaction
CVSS Vector Breakdown
AV:
Local
AC:
Low
PR:
Low
UI:
None
S:
Unchanged
C:
None
I:
None
A:
High
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.
Affected Software (17)
| Vendor | Product | Version |
|---|---|---|
| Linux | Linux | 56e62a73702836017564eaacd5212e4d0fa1c01d < 3c3b97064764899c39a0abbd35a6caa031e70333 |
| Linux | Linux | 56e62a73702836017564eaacd5212e4d0fa1c01d < 1cb9c7bc9025c637564fabc7fcc3c9343949e310 |
| Linux | Linux | 56e62a73702836017564eaacd5212e4d0fa1c01d < 7a5260fbc6e79a1595328ec5c6aa3f937504a1f0 |
| Linux | Linux | 56e62a73702836017564eaacd5212e4d0fa1c01d < f8c444b918d639e1f9a621ee20fe481c1d10dfc4 |
| Linux | Linux | 56e62a73702836017564eaacd5212e4d0fa1c01d < 87776f02449e3bded95b2ccbd6b012e9ae64e6f3 |
| Linux | Linux | 56e62a73702836017564eaacd5212e4d0fa1c01d < 4d05dd18d867d58c6952a3bc260d244899da7256 |
| Linux | Linux | 56e62a73702836017564eaacd5212e4d0fa1c01d < 48b8814e25d073dd84daf990a879a820bad2bcbd |
| Linux | Linux | 5.12 |
| linux | linux_kernel | 5.12.1 – 5.15.203 |
| linux | linux_kernel | 5.12 |
| linux | linux_kernel | 7.0 |
| linux | linux_kernel | 7.0 |
| linux | linux_kernel | 7.0 |
| linux | linux_kernel | 7.0 |
| linux | linux_kernel | 7.0 |
| linux | linux_kernel | 7.0 |
| linux | linux_kernel | 7.0 |