{"id":"CVE-2026-89914","aliases":[],"url":"https://o3.security/vulnerability/CVE-2026-89914","summary":"KVM: arm64: Sign-extend VA for range-based TLBI invalidation","details":"In the Linux kernel, the following vulnerability has been resolved:\n\nKVM: arm64: Sign-extend VA for range-based TLBI invalidation\n\nWhen the decode_range_tlbi() helper was moved to be used for S1 TLBIs,\nthe required sign extension was omitted. Add it.\n\nAs a result, special care must be taken to not overflow PA bits when\nthis is used for S2 invalidation.","published":"2026-09-16T10:32:10.631Z","modified":"2026-09-18T03:48:33.906074875Z","cvss":{"score":9.3,"severity":"CRITICAL","vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H"},"epss":null,"cisaKev":null,"exploitsKnown":null,"affectedPackages":[{"ecosystem":"Linux","name":"Kernel","fixedVersion":"6.18.51"}],"fix":null,"references":[{"type":"WEB","url":"https://git.kernel.org/stable/c/2393470085649f0b973ecceb26fe8fc71edde0c1"},{"type":"WEB","url":"https://git.kernel.org/stable/c/3feb83918e30f0472e058224b926ebfe8a064fac"},{"type":"WEB","url":"https://git.kernel.org/stable/c/72bce82c4171bf330919ff1b64dc0a36c254ec7d"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/89xxx/CVE-2026-89914.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-89914"},{"type":"PACKAGE","url":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-09-18T03:48:33.906074875Z"}}