{"id":"CVE-2026-99099","title":"x86/CPU/AMD: Fix AMD TLBI Erratum #1718","summary":"In the Linux kernel, the following vulnerability has been resolved:\n\nx86/CPU/AMD: Fix AMD TLBI Erratum #1718\n\nThe processor may fail to invalidate a TLB entry while executing an\nINVLPGB/TLBSYNC instruction pair.\n\nDetect the erratum and a…","severity":"none","vendor":"Linux","product":"Linux","affected":["Linux >= 82378c6c2f435dba66145609de16bf44a9de6303 < e3e6779f77ab6f0a1aa80e24868d2d89f31053fe","Linux >= 82378c6c2f435dba66145609de16bf44a9de6303 < 098d80b04d0fe02889c332d061db968f070b83a6","Linux >= 82378c6c2f435dba66145609de16bf44a9de6303 < 87db7795cbaaf636ae22ae031f4906db7bb77803","Linux 6.15"],"published":"2026-10-26","updated":"2026-10-26","sourceUpdated":"2026-10-26T14:52:04.997Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-99099","references":[{"url":"https://git.kernel.org/stable/c/e3e6779f77ab6f0a1aa80e24868d2d89f31053fe"},{"url":"https://git.kernel.org/stable/c/098d80b04d0fe02889c332d061db968f070b83a6"},{"url":"https://git.kernel.org/stable/c/87db7795cbaaf636ae22ae031f4906db7bb77803"}],"tags":["cve.org"],"ingestedAt":"2026-10-26T15:29:30.505Z","slug":"CVE-2026-99099","body":"## Overview\n\nIn the Linux kernel, the following vulnerability has been resolved:\n\nx86/CPU/AMD: Fix AMD TLBI Erratum #1718\n\nThe processor may fail to invalidate a TLB entry while executing an\nINVLPGB/TLBSYNC instruction pair.\n\nDetect the erratum and apply a software workaround when a microcode fix\nis not present.\n\n## Affected\n\n- `Linux >= 82378c6c2f435dba66145609de16bf44a9de6303 < e3e6779f77ab6f0a1aa80e24868d2d89f31053fe`\n- `Linux >= 82378c6c2f435dba66145609de16bf44a9de6303 < 098d80b04d0fe02889c332d061db968f070b83a6`\n- `Linux >= 82378c6c2f435dba66145609de16bf44a9de6303 < 87db7795cbaaf636ae22ae031f4906db7bb77803`\n- `Linux 6.15`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":3,"depthScoreParts":{"impact":2.8,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}