{"id":"AZL-101568","summary":"CVE-2026-89906 affecting package kernel 6.6.150.1-1","details":"In the Linux kernel, the following vulnerability has been resolved:\n\nLoongArch: BPF: Refactor jump offset calculation in tail call\n\nThe old macro-based jmp_offset calculation derives the jump distance\nfrom a stale prior-pass code stride, which can lead to wrong branch\noffsets and soft lockups under extra JIT passes.\n\nFix this by calculating the offset directly on the absolute target:\n\"ctx-\u003eoffset[insn + 1] - ctx-\u003eidx\".\n\nTo avoid a false 16-bit range check abort during size estimation, add\na \"ctx-\u003eimage == NULL\" guard to inject a safe dummy offset.","modified":"2026-09-18T05:37:08Z","published":"2026-09-16T11:16:59Z","upstream":["CVE-2026-89906"],"references":[{"type":"WEB","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-89906"}],"affected":[{"package":{"name":"kernel","ecosystem":"Azure Linux:3","purl":"pkg:rpm/azure-linux/kernel"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"last_affected":"6.6.150.1-1"}]}],"database_specific":{"source":"https://github.com/microsoft/AzureLinuxVulnerabilityData/blob/main/osv/AZL-101568.json"}}],"schema_version":"1.9.0"}