{"id":"CVE-2026-98466","aliases":[],"cve":{"records":[{"id":"CVE-2026-98466","source":"Linux","state":"PUBLISHED","reasons":[],"replacements":[],"disputed":false,"unsupportedWhenAssigned":false,"reserved":"2026-09-25T10:25:14.351Z","published":"2026-10-18T15:15:18.414Z","modified":"2026-11-10T18:15:14.388Z"}],"publishers":[{"name":"Linux","role":"CNA","organizationId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","modified":"2026-11-10T18:15:14.388Z"}],"references":[{"url":"https://git.kernel.org/stable/c/6c7b5eb6f7f424f5b82d0f9469a5f5adcdf4d973","tags":[],"source":"Linux"},{"url":"https://git.kernel.org/stable/c/e5dd2a91a7ae3a276e6d79806127e923936e241b","tags":[],"source":"Linux"},{"url":"https://git.kernel.org/stable/c/22df195bff84300a3f04813d6148765c77ac565a","tags":[],"source":"Linux"},{"url":"https://git.kernel.org/stable/c/3a8c562892b96f35bba1e00d5e455a15963bbb92","tags":[],"source":"Linux"}],"weaknesses":[],"applicability":[{"source":"Linux","statements":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.19","versionEndExcluding":"6.12.117"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.19","versionEndExcluding":"6.18.55"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.19","versionEndExcluding":"7.2.9"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.19","versionEndExcluding":"7.3"}]}]}]}],"prioritization":[]},"title":"KVM: arm64: Transfer the hyp stack pages out of the host stage-2","titleSource":"Linux","descriptionSource":"Linux","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nKVM: arm64: Transfer the hyp stack pages out of the host stage-2\n\nfix_host_ownership() walks only the linear-map alias of each memblock\nregion, and the per-CPU hyp stack, mapped in the private VA range for\nits guard page, has none.\n\nWalk each stack's VA range with the same walker.","score":8.2,"severity":"high","published":"2026-10-18T15:15:18.414Z","modified":"2026-11-10T18:15:14.388Z","withdrawn":false,"knownExploited":false,"affected":[],"products":[{"vendor":"Linux","name":"Linux","platforms":[],"versions":[{"version":"1a919b17ef012ca0572bae759c27e5ea02bfb47f","status":"affected","lessThan":"6c7b5eb6f7f424f5b82d0f9469a5f5adcdf4d973","versionType":"git"},{"version":"1a919b17ef012ca0572bae759c27e5ea02bfb47f","status":"affected","lessThan":"e5dd2a91a7ae3a276e6d79806127e923936e241b","versionType":"git"},{"version":"1a919b17ef012ca0572bae759c27e5ea02bfb47f","status":"affected","lessThan":"22df195bff84300a3f04813d6148765c77ac565a","versionType":"git"},{"version":"1a919b17ef012ca0572bae759c27e5ea02bfb47f","status":"affected","lessThan":"3a8c562892b96f35bba1e00d5e455a15963bbb92","versionType":"git"}],"defaultStatus":"unaffected","cpes":[],"source":"Linux","url":"https://www.cve.org/CVERecord?id=CVE-2026-98466"},{"vendor":"Linux","name":"Linux","platforms":[],"versions":[{"version":"5.19","status":"affected"},{"version":"0","status":"unaffected","lessThan":"5.19","versionType":"semver"},{"version":"6.12.117","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.18.55","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"7.2.9","status":"unaffected","lessThanOrEqual":"7.2.*","versionType":"semver"},{"version":"7.3","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"defaultStatus":"affected","cpes":[],"source":"Linux","url":"https://www.cve.org/CVERecord?id=CVE-2026-98466"}],"remediation":[],"references":["https://git.kernel.org/stable/c/6c7b5eb6f7f424f5b82d0f9469a5f5adcdf4d973","https://git.kernel.org/stable/c/e5dd2a91a7ae3a276e6d79806127e923936e241b","https://git.kernel.org/stable/c/22df195bff84300a3f04813d6148765c77ac565a","https://git.kernel.org/stable/c/3a8c562892b96f35bba1e00d5e455a15963bbb92"],"sources":[{"name":"CVE","id":"CVE-2026-98466","modified":"2026-11-10T18:15:14.388Z","url":"https://www.cve.org/CVERecord?id=CVE-2026-98466"}],"assessments":[{"source":"Linux","vector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H","score":8.2}],"sourceAffected":[],"observedAt":"2026-11-10T18:25:07.428Z","kev":{"status":"not-listed","checkedAt":"2026-11-15T02:05:34.570Z"},"coverage":[{"source":"NVD","status":"not-checked"},{"source":"GHSA","status":"available","checkedAt":"2026-11-15T02:05:37.339Z","attemptedAt":"2026-11-15T02:05:37.339Z"},{"source":"EUVD","status":"available","checkedAt":"2026-11-15T02:05:37.373Z","attemptedAt":"2026-11-15T02:05:37.373Z"},{"source":"EPSS","status":"available","checkedAt":"2026-11-15T02:05:36.017Z","attemptedAt":"2026-11-15T02:05:36.017Z"}],"evidence":[{"source":"FIRST EPSS","id":"CVE-2026-98466","url":"https://www.first.org/epss/","probability":0.00176,"percentile":0.07138,"date":"2026-11-14","checkedAt":"2026-11-15T02:05:36.017Z"},{"source":"GitHub Advisory Database","id":"GHSA-7374-3pfm-f9q8","url":"https://github.com/advisories/GHSA-7374-3pfm-f9q8","modified":"2026-11-10T21:31:42Z","score":8.2,"vector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H","checkedAt":"2026-11-15T02:05:37.339Z"},{"source":"ENISA EUVD","id":"EUVD-2026-103706","url":"https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-103706","modified":"Nov 10, 2026, 6:15:14 PM","score":8.2,"vector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H","checkedAt":"2026-11-15T02:05:37.373Z"}],"aiSummary":null}