{"id":"AZL-83306","summary":"CVE-2026-31483 affecting package kernel for versions less than 6.6.134.1-2","details":"In the Linux kernel, the following vulnerability has been resolved:\n\ns390/syscalls: Add spectre boundary for syscall dispatch table\n\nThe s390 syscall number is directly controlled by userspace, but does\nnot have an array_index_nospec() boundary to prevent access past the\nsyscall function pointer tables.","modified":"2026-08-28T17:47:34.360920739Z","published":"2026-04-22T14:16:45Z","upstream":["CVE-2026-31483"],"references":[{"type":"WEB","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-31483"}],"affected":[{"package":{"name":"kernel","ecosystem":"Azure Linux:3","purl":"pkg:rpm/azure-linux/kernel"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6.6.134.1-2"}]}],"database_specific":{"source":"https://github.com/microsoft/AzureLinuxVulnerabilityData/blob/main/osv/AZL-83306.json"}}],"schema_version":"1.9.0"}