{"id":"CVE-2026-89914","title":"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 omi…","summary":"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 omi…","severity":"critical","cvss":9.3,"cvssVector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H","vendor":"Linux","product":"Linux","affected":["Linux >= 85bba00425ae0b4b30938ebfdde6d986e5423aff < 72bce82c4171bf330919ff1b64dc0a36c254ec7d","Linux >= 85bba00425ae0b4b30938ebfdde6d986e5423aff < 3feb83918e30f0472e058224b926ebfe8a064fac","Linux >= 85bba00425ae0b4b30938ebfdde6d986e5423aff < 2393470085649f0b973ecceb26fe8fc71edde0c1","Linux 6.16"],"published":"2026-09-16","updated":"2026-09-16","sourceUpdated":"2026-09-16T15:18:17.647","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-89914","references":[{"url":"https://git.kernel.org/stable/c/2393470085649f0b973ecceb26fe8fc71edde0c1","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/3feb83918e30f0472e058224b926ebfe8a064fac","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/72bce82c4171bf330919ff1b64dc0a36c254ec7d","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"}],"tags":["nvd","cve.org"],"ingestedAt":"2026-09-16T10:53:53.974Z","epss":0.00178,"epssPercentile":0.07598,"slug":"CVE-2026-89914","body":"## Overview\n\nIn 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.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"midnight","depthScore":51,"depthScoreParts":{"impact":51.2,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[{"seq":205132,"id":"CVE-2026-89914","ts":1789570705397,"field":"cvss","old":null,"new":"9.3"},{"seq":205131,"id":"CVE-2026-89914","ts":1789570705397,"field":"severity","old":"none","new":"critical"}]}