{"id":"CVE-2026-99099","summary":"x86/CPU/AMD: Fix AMD TLBI Erratum #1718","details":"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 apply a software workaround when a microcode fix\nis not present.","modified":"2026-11-02T02:32:30.204808824Z","published":"2026-10-26T14:52:04.997Z","database_specific":{"cna_assigner":"Linux","osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/99xxx/CVE-2026-99099.json"},"references":[{"type":"WEB","url":"https://git.kernel.org/stable/c/098d80b04d0fe02889c332d061db968f070b83a6"},{"type":"WEB","url":"https://git.kernel.org/stable/c/87db7795cbaaf636ae22ae031f4906db7bb77803"},{"type":"WEB","url":"https://git.kernel.org/stable/c/e3e6779f77ab6f0a1aa80e24868d2d89f31053fe"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/99xxx/CVE-2026-99099.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-99099"},{"type":"PACKAGE","url":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"82378c6c2f435dba66145609de16bf44a9de6303"},{"fixed":"e3e6779f77ab6f0a1aa80e24868d2d89f31053fe"},{"fixed":"098d80b04d0fe02889c332d061db968f070b83a6"},{"fixed":"87db7795cbaaf636ae22ae031f4906db7bb77803"}]}],"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2026-99099.json"}},{"package":{"name":"Kernel","ecosystem":"Linux"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"6.15.0"},{"fixed":"6.18.57"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.19.0"},{"fixed":"7.2.11"}]}],"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2026-99099.json"}}],"schema_version":"1.9.2","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"}]}