CVE-2026-31483None▾ SunlitIn 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() b…
▾ Sunlit zone — Low / medium · no exploitation signal
impact 2.8 · likelihood 0 · exploitation 0
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Stakeholder-Specific Vulnerability Categorization from CISA's ADP record at CVE.org: whether exploitation is observed, whether an attack can be automated, and how much of the system is at stake.
Exploit-prediction probability, daily snapshots since Nov 5.
Disclosure to exploitation, from the record and what we observed since indexing it.
Disclosed via CVEORG
Last analysed / modified upstream
0.1%
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.
Linux >= 56e62a73702836017564eaacd5212e4d0fa1c01d < 3c3b97064764899c39a0abbd35a6caa031e70333Linux >= 56e62a73702836017564eaacd5212e4d0fa1c01d < 1cb9c7bc9025c637564fabc7fcc3c9343949e310Linux >= 56e62a73702836017564eaacd5212e4d0fa1c01d < 7a5260fbc6e79a1595328ec5c6aa3f937504a1f0Linux >= 56e62a73702836017564eaacd5212e4d0fa1c01d < f8c444b918d639e1f9a621ee20fe481c1d10dfc4Linux >= 56e62a73702836017564eaacd5212e4d0fa1c01d < 87776f02449e3bded95b2ccbd6b012e9ae64e6f3Linux >= 56e62a73702836017564eaacd5212e4d0fa1c01d < 4d05dd18d867d58c6952a3bc260d244899da7256Linux >= 56e62a73702836017564eaacd5212e4d0fa1c01d < 48b8814e25d073dd84daf990a879a820bad2bcbdLinux 5.12Refer to the linked advisories for vendor-supplied fixes and affected version ranges.
Connected by shared product, vendor, weakness, or advisory.
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