{"id":"RHSA-2026:3865","summary":"Red Hat Security Advisory: kpatch-patch-4_18_0-477_107_1, kpatch-patch-4_18_0-477_120_1, kpatch-patch-4_18_0-477_81_1, kpatch-patch-4_18_0-477_89_1, and kpatch-patch-4_18_0-477_97_1 security update","modified":"2026-03-18T11:18:35Z","published":"2026-03-06T10:13:23Z","upstream":["CVE-2025-40248"],"references":[{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2026:3865"},{"type":"ARTICLE","url":"https://access.redhat.com/security/updates/classification/#important"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2418872"},{"type":"ADVISORY","url":"https://security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_3865.json"},{"type":"REPORT","url":"https://access.redhat.com/security/cve/CVE-2025-40248"},{"type":"ADVISORY","url":"https://www.cve.org/CVERecord?id=CVE-2025-40248"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2025-40248"},{"type":"ARTICLE","url":"https://lore.kernel.org/linux-cve-announce/2025120430-CVE-2025-40248-506e@gregkh/T"}],"affected":[{"package":{"name":"kpatch-patch-4_18_0-477_107_1","ecosystem":"Red Hat:rhel_e4s:8.8::baseos","purl":"pkg:rpm/redhat/kpatch-patch-4_18_0-477_107_1"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:1-3.el8_8"}]}],"database_specific":{"source":"https://security.access.redhat.com/data/osv/RHSA-2026:3865.json"}},{"package":{"name":"kpatch-patch-4_18_0-477_107_1-debuginfo","ecosystem":"Red Hat:rhel_e4s:8.8::baseos","purl":"pkg:rpm/redhat/kpatch-patch-4_18_0-477_107_1-debuginfo"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:1-3.el8_8"}]}],"database_specific":{"source":"https://security.access.redhat.com/data/osv/RHSA-2026:3865.json"}},{"package":{"name":"kpatch-patch-4_18_0-477_107_1-debugsource","ecosystem":"Red Hat:rhel_e4s:8.8::baseos","purl":"pkg:rpm/redhat/kpatch-patch-4_18_0-477_107_1-debugsource"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:1-3.el8_8"}]}],"database_specific":{"source":"https://security.access.redhat.com/data/osv/RHSA-2026:3865.json"}},{"package":{"name":"kpatch-patch-4_18_0-477_120_1","ecosystem":"Red Hat:rhel_e4s:8.8::baseos","purl":"pkg:rpm/redhat/kpatch-patch-4_18_0-477_120_1"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:1-2.el8_8"}]}],"database_specific":{"source":"https://security.access.redhat.com/data/osv/RHSA-2026:3865.json"}},{"package":{"name":"kpatch-patch-4_18_0-477_120_1-debuginfo","ecosystem":"Red Hat:rhel_e4s:8.8::baseos","purl":"pkg:rpm/redhat/kpatch-patch-4_18_0-477_120_1-debuginfo"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:1-2.el8_8"}]}],"database_specific":{"source":"https://security.access.redhat.com/data/osv/RHSA-2026:3865.json"}},{"package":{"name":"kpatch-patch-4_18_0-477_120_1-debugsource","ecosystem":"Red Hat:rhel_e4s:8.8::baseos","purl":"pkg:rpm/redhat/kpatch-patch-4_18_0-477_120_1-debugsource"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:1-2.el8_8"}]}],"database_specific":{"source":"https://security.access.redhat.com/data/osv/RHSA-2026:3865.json"}},{"package":{"name":"kpatch-patch-4_18_0-477_81_1","ecosystem":"Red Hat:rhel_e4s:8.8::baseos","purl":"pkg:rpm/redhat/kpatch-patch-4_18_0-477_81_1"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:1-11.el8_8"}]}],"database_specific":{"source":"https://security.access.redhat.com/data/osv/RHSA-2026:3865.json"}},{"package":{"name":"kpatch-patch-4_18_0-477_81_1-debuginfo","ecosystem":"Red Hat:rhel_e4s:8.8::baseos","purl":"pkg:rpm/redhat/kpatch-patch-4_18_0-477_81_1-debuginfo"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:1-11.el8_8"}]}],"database_specific":{"source":"https://security.access.redhat.com/data/osv/RHSA-2026:3865.json"}},{"package":{"name":"kpatch-patch-4_18_0-477_81_1-debugsource","ecosystem":"Red Hat:rhel_e4s:8.8::baseos","purl":"pkg:rpm/redhat/kpatch-patch-4_18_0-477_81_1-debugsource"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:1-11.el8_8"}]}],"database_specific":{"source":"https://security.access.redhat.com/data/osv/RHSA-2026:3865.json"}},{"package":{"name":"kpatch-patch-4_18_0-477_89_1","ecosystem":"Red Hat:rhel_e4s:8.8::baseos","purl":"pkg:rpm/redhat/kpatch-patch-4_18_0-477_89_1"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:1-9.el8_8"}]}],"database_specific":{"source":"https://security.access.redhat.com/data/osv/RHSA-2026:3865.json"}},{"package":{"name":"kpatch-patch-4_18_0-477_89_1-debuginfo","ecosystem":"Red Hat:rhel_e4s:8.8::baseos","purl":"pkg:rpm/redhat/kpatch-patch-4_18_0-477_89_1-debuginfo"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:1-9.el8_8"}]}],"database_specific":{"source":"https://security.access.redhat.com/data/osv/RHSA-2026:3865.json"}},{"package":{"name":"kpatch-patch-4_18_0-477_89_1-debugsource","ecosystem":"Red Hat:rhel_e4s:8.8::baseos","purl":"pkg:rpm/redhat/kpatch-patch-4_18_0-477_89_1-debugsource"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:1-9.el8_8"}]}],"database_specific":{"source":"https://security.access.redhat.com/data/osv/RHSA-2026:3865.json"}},{"package":{"name":"kpatch-patch-4_18_0-477_97_1","ecosystem":"Red Hat:rhel_e4s:8.8::baseos","purl":"pkg:rpm/redhat/kpatch-patch-4_18_0-477_97_1"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:1-7.el8_8"}]}],"database_specific":{"source":"https://security.access.redhat.com/data/osv/RHSA-2026:3865.json"}},{"package":{"name":"kpatch-patch-4_18_0-477_97_1-debuginfo","ecosystem":"Red Hat:rhel_e4s:8.8::baseos","purl":"pkg:rpm/redhat/kpatch-patch-4_18_0-477_97_1-debuginfo"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:1-7.el8_8"}]}],"database_specific":{"source":"https://security.access.redhat.com/data/osv/RHSA-2026:3865.json"}},{"package":{"name":"kpatch-patch-4_18_0-477_97_1-debugsource","ecosystem":"Red Hat:rhel_e4s:8.8::baseos","purl":"pkg:rpm/redhat/kpatch-patch-4_18_0-477_97_1-debugsource"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:1-7.el8_8"}]}],"database_specific":{"source":"https://security.access.redhat.com/data/osv/RHSA-2026:3865.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H"}]}