{"id":"CVE-2025-71155","summary":"KVM: s390: Fix gmap_helper_zap_one_page() again","details":"In the Linux kernel, the following vulnerability has been resolved:\n\nKVM: s390: Fix gmap_helper_zap_one_page() again\n\nA few checks were missing in gmap_helper_zap_one_page(), which can lead\nto memory corruption in the guest under specific circumstances.\n\nAdd the missing checks.","modified":"2026-10-28T02:30:59.230673855Z","published":"2026-01-23T14:25:54.663Z","database_specific":{"cna_assigner":"Linux","osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/71xxx/CVE-2025-71155.json"},"references":[{"type":"WEB","url":"https://git.kernel.org/stable/c/2af2abbcbf8573100288e8f8aea2dab8a2a0ceb7"},{"type":"WEB","url":"https://git.kernel.org/stable/c/2f393c228cc519ddf19b8c6c05bf15723241aa96"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/71xxx/CVE-2025-71155.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2025-71155"},{"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":"5deafa27d9ae040b75d392f60b12e300b42b4792"},{"fixed":"2af2abbcbf8573100288e8f8aea2dab8a2a0ceb7"},{"fixed":"2f393c228cc519ddf19b8c6c05bf15723241aa96"}]},{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"6.17.4"},{"fixed":"6.18"}]},{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"919efcadb63fc3d3a82c3de7194140e0b28903dc"}]}],"versions":["v6.17.13","v6.17.12","v6.17.11","v6.17.10","v6.17.9","v6.17.8","v6.17.7","v6.17.6","v6.17.5","v6.17.4"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2025-71155.json"}},{"package":{"name":"Kernel","ecosystem":"Linux"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"6.18.0"},{"fixed":"6.18.4"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2025-71155.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"}]}