{"id":"CVE-2026-98649","title":"KVM: s390: Fix race in _destroy_pages_crste()","summary":"In the Linux kernel, the following vulnerability has been resolved:\n\nKVM: s390: Fix race in _destroy_pages_crste()\n\nUse READ_ONCE() in _destroy_pages_crste() to read the crste, avoid\ndereferencing the pointer multiple times.","severity":"none","vendor":"Linux","product":"Linux","affected":["Linux >= a2c17f9270cc3f1c55c35e8b1d151f41d75b40f5 < 90bd832b2bc367991d424d847003ce345b454ffc","Linux >= a2c17f9270cc3f1c55c35e8b1d151f41d75b40f5 < 4ca00a9154f998116fba9a32cce5bd938d228065","Linux 7.0"],"published":"2026-10-18","updated":"2026-10-18","sourceUpdated":"2026-10-18T15:20:21.346Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-98649","references":[{"url":"https://git.kernel.org/stable/c/90bd832b2bc367991d424d847003ce345b454ffc"},{"url":"https://git.kernel.org/stable/c/4ca00a9154f998116fba9a32cce5bd938d228065"}],"tags":["cve.org"],"ingestedAt":"2026-10-18T15:45:12.228Z","slug":"CVE-2026-98649","body":"## Overview\n\nIn the Linux kernel, the following vulnerability has been resolved:\n\nKVM: s390: Fix race in _destroy_pages_crste()\n\nUse READ_ONCE() in _destroy_pages_crste() to read the crste, avoid\ndereferencing the pointer multiple times.\n\n## Affected\n\n- `Linux >= a2c17f9270cc3f1c55c35e8b1d151f41d75b40f5 < 90bd832b2bc367991d424d847003ce345b454ffc`\n- `Linux >= a2c17f9270cc3f1c55c35e8b1d151f41d75b40f5 < 4ca00a9154f998116fba9a32cce5bd938d228065`\n- `Linux 7.0`\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":[]}