{"id":"RHSA-2026:2378","summary":"Red Hat Security Advisory: kernel-rt security update","modified":"2026-03-31T10:09:13Z","published":"2026-02-10T10:08:01Z","upstream":["CVE-2022-50673","CVE-2025-38403","CVE-2025-40135","CVE-2025-40158","CVE-2025-40170","CVE-2025-40269","CVE-2025-68349","CVE-2026-22998"],"references":[{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2026:2378"},{"type":"ARTICLE","url":"https://access.redhat.com/security/updates/classification/#moderate"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2383421"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2414506"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2414521"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2414523"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2419919"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2420347"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2424880"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2432671"},{"type":"ADVISORY","url":"https://security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_2378.json"},{"type":"REPORT","url":"https://access.redhat.com/security/cve/CVE-2022-50673"},{"type":"ADVISORY","url":"https://www.cve.org/CVERecord?id=CVE-2022-50673"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2022-50673"},{"type":"ARTICLE","url":"https://lore.kernel.org/linux-cve-announce/2025120947-CVE-2022-50673-f920@gregkh/T"},{"type":"REPORT","url":"https://access.redhat.com/security/cve/CVE-2025-38403"},{"type":"ADVISORY","url":"https://www.cve.org/CVERecord?id=CVE-2025-38403"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2025-38403"},{"type":"ARTICLE","url":"https://lore.kernel.org/linux-cve-announce/2025072504-CVE-2025-38403-0da0@gregkh/T"},{"type":"REPORT","url":"https://access.redhat.com/security/cve/CVE-2025-40135"},{"type":"ADVISORY","url":"https://www.cve.org/CVERecord?id=CVE-2025-40135"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2025-40135"},{"type":"ARTICLE","url":"https://lore.kernel.org/linux-cve-announce/2025111255-CVE-2025-40135-67ca@gregkh/T"},{"type":"REPORT","url":"https://access.redhat.com/security/cve/CVE-2025-40158"},{"type":"ADVISORY","url":"https://www.cve.org/CVERecord?id=CVE-2025-40158"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2025-40158"},{"type":"ARTICLE","url":"https://lore.kernel.org/linux-cve-announce/2025111258-CVE-2025-40158-4c9d@gregkh/T"},{"type":"REPORT","url":"https://access.redhat.com/security/cve/CVE-2025-40170"},{"type":"ADVISORY","url":"https://www.cve.org/CVERecord?id=CVE-2025-40170"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2025-40170"},{"type":"ARTICLE","url":"https://lore.kernel.org/linux-cve-announce/2025111259-CVE-2025-40170-d39d@gregkh/T"},{"type":"REPORT","url":"https://access.redhat.com/security/cve/CVE-2025-40269"},{"type":"ADVISORY","url":"https://www.cve.org/CVERecord?id=CVE-2025-40269"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2025-40269"},{"type":"ARTICLE","url":"https://lore.kernel.org/linux-cve-announce/2025120716-CVE-2025-40269-9769@gregkh/T"},{"type":"REPORT","url":"https://access.redhat.com/security/cve/CVE-2025-68349"},{"type":"ADVISORY","url":"https://www.cve.org/CVERecord?id=CVE-2025-68349"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2025-68349"},{"type":"ARTICLE","url":"https://lore.kernel.org/linux-cve-announce/2025122453-CVE-2025-68349-12d5@gregkh/T"},{"type":"REPORT","url":"https://access.redhat.com/security/cve/CVE-2026-22998"},{"type":"ADVISORY","url":"https://www.cve.org/CVERecord?id=CVE-2026-22998"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-22998"},{"type":"ARTICLE","url":"https://lore.kernel.org/linux-cve-announce/2026012533-CVE-2026-22998-8392@gregkh/T"}],"affected":[{"package":{"name":"kernel-rt","ecosystem":"Red Hat:enterprise_linux:8::nfv","purl":"pkg:rpm/redhat/kernel-rt"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:4.18.0-553.104.1.rt7.445.el8_10"}]}],"database_specific":{"source":"https://security.access.redhat.com/data/osv/RHSA-2026:2378.json"}},{"package":{"name":"kernel-rt-core","ecosystem":"Red Hat:enterprise_linux:8::nfv","purl":"pkg:rpm/redhat/kernel-rt-core"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:4.18.0-553.104.1.rt7.445.el8_10"}]}],"database_specific":{"source":"https://security.access.redhat.com/data/osv/RHSA-2026:2378.json"}},{"package":{"name":"kernel-rt-debug","ecosystem":"Red Hat:enterprise_linux:8::nfv","purl":"pkg:rpm/redhat/kernel-rt-debug"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:4.18.0-553.104.1.rt7.445.el8_10"}]}],"database_specific":{"source":"https://security.access.redhat.com/data/osv/RHSA-2026:2378.json"}},{"package":{"name":"kernel-rt-debug-core","ecosystem":"Red Hat:enterprise_linux:8::nfv","purl":"pkg:rpm/redhat/kernel-rt-debug-core"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:4.18.0-553.104.1.rt7.445.el8_10"}]}],"database_specific":{"source":"https://security.access.redhat.com/data/osv/RHSA-2026:2378.json"}},{"package":{"name":"kernel-rt-debug-debuginfo","ecosystem":"Red Hat:enterprise_linux:8::nfv","purl":"pkg:rpm/redhat/kernel-rt-debug-debuginfo"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:4.18.0-553.104.1.rt7.445.el8_10"}]}],"database_specific":{"source":"https://security.access.redhat.com/data/osv/RHSA-2026:2378.json"}},{"package":{"name":"kernel-rt-debug-devel","ecosystem":"Red Hat:enterprise_linux:8::nfv","purl":"pkg:rpm/redhat/kernel-rt-debug-devel"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:4.18.0-553.104.1.rt7.445.el8_10"}]}],"database_specific":{"source":"https://security.access.redhat.com/data/osv/RHSA-2026:2378.json"}},{"package":{"name":"kernel-rt-debug-kvm","ecosystem":"Red Hat:enterprise_linux:8::nfv","purl":"pkg:rpm/redhat/kernel-rt-debug-kvm"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:4.18.0-553.104.1.rt7.445.el8_10"}]}],"database_specific":{"source":"https://security.access.redhat.com/data/osv/RHSA-2026:2378.json"}},{"package":{"name":"kernel-rt-debug-modules","ecosystem":"Red Hat:enterprise_linux:8::nfv","purl":"pkg:rpm/redhat/kernel-rt-debug-modules"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:4.18.0-553.104.1.rt7.445.el8_10"}]}],"database_specific":{"source":"https://security.access.redhat.com/data/osv/RHSA-2026:2378.json"}},{"package":{"name":"kernel-rt-debug-modules-extra","ecosystem":"Red Hat:enterprise_linux:8::nfv","purl":"pkg:rpm/redhat/kernel-rt-debug-modules-extra"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:4.18.0-553.104.1.rt7.445.el8_10"}]}],"database_specific":{"source":"https://security.access.redhat.com/data/osv/RHSA-2026:2378.json"}},{"package":{"name":"kernel-rt-debuginfo","ecosystem":"Red Hat:enterprise_linux:8::nfv","purl":"pkg:rpm/redhat/kernel-rt-debuginfo"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:4.18.0-553.104.1.rt7.445.el8_10"}]}],"database_specific":{"source":"https://security.access.redhat.com/data/osv/RHSA-2026:2378.json"}},{"package":{"name":"kernel-rt-debuginfo-common-x86_64","ecosystem":"Red Hat:enterprise_linux:8::nfv","purl":"pkg:rpm/redhat/kernel-rt-debuginfo-common-x86_64"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:4.18.0-553.104.1.rt7.445.el8_10"}]}],"database_specific":{"source":"https://security.access.redhat.com/data/osv/RHSA-2026:2378.json"}},{"package":{"name":"kernel-rt-devel","ecosystem":"Red Hat:enterprise_linux:8::nfv","purl":"pkg:rpm/redhat/kernel-rt-devel"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:4.18.0-553.104.1.rt7.445.el8_10"}]}],"database_specific":{"source":"https://security.access.redhat.com/data/osv/RHSA-2026:2378.json"}},{"package":{"name":"kernel-rt-kvm","ecosystem":"Red Hat:enterprise_linux:8::nfv","purl":"pkg:rpm/redhat/kernel-rt-kvm"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:4.18.0-553.104.1.rt7.445.el8_10"}]}],"database_specific":{"source":"https://security.access.redhat.com/data/osv/RHSA-2026:2378.json"}},{"package":{"name":"kernel-rt-modules","ecosystem":"Red Hat:enterprise_linux:8::nfv","purl":"pkg:rpm/redhat/kernel-rt-modules"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:4.18.0-553.104.1.rt7.445.el8_10"}]}],"database_specific":{"source":"https://security.access.redhat.com/data/osv/RHSA-2026:2378.json"}},{"package":{"name":"kernel-rt-modules-extra","ecosystem":"Red Hat:enterprise_linux:8::nfv","purl":"pkg:rpm/redhat/kernel-rt-modules-extra"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:4.18.0-553.104.1.rt7.445.el8_10"}]}],"database_specific":{"source":"https://security.access.redhat.com/data/osv/RHSA-2026:2378.json"}},{"package":{"name":"kernel-rt","ecosystem":"Red Hat:enterprise_linux:8::realtime","purl":"pkg:rpm/redhat/kernel-rt"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:4.18.0-553.104.1.rt7.445.el8_10"}]}],"database_specific":{"source":"https://security.access.redhat.com/data/osv/RHSA-2026:2378.json"}},{"package":{"name":"kernel-rt-core","ecosystem":"Red Hat:enterprise_linux:8::realtime","purl":"pkg:rpm/redhat/kernel-rt-core"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:4.18.0-553.104.1.rt7.445.el8_10"}]}],"database_specific":{"source":"https://security.access.redhat.com/data/osv/RHSA-2026:2378.json"}},{"package":{"name":"kernel-rt-debug","ecosystem":"Red Hat:enterprise_linux:8::realtime","purl":"pkg:rpm/redhat/kernel-rt-debug"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:4.18.0-553.104.1.rt7.445.el8_10"}]}],"database_specific":{"source":"https://security.access.redhat.com/data/osv/RHSA-2026:2378.json"}},{"package":{"name":"kernel-rt-debug-core","ecosystem":"Red Hat:enterprise_linux:8::realtime","purl":"pkg:rpm/redhat/kernel-rt-debug-core"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:4.18.0-553.104.1.rt7.445.el8_10"}]}],"database_specific":{"source":"https://security.access.redhat.com/data/osv/RHSA-2026:2378.json"}},{"package":{"name":"kernel-rt-debug-debuginfo","ecosystem":"Red Hat:enterprise_linux:8::realtime","purl":"pkg:rpm/redhat/kernel-rt-debug-debuginfo"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:4.18.0-553.104.1.rt7.445.el8_10"}]}],"database_specific":{"source":"https://security.access.redhat.com/data/osv/RHSA-2026:2378.json"}},{"package":{"name":"kernel-rt-debug-devel","ecosystem":"Red Hat:enterprise_linux:8::realtime","purl":"pkg:rpm/redhat/kernel-rt-debug-devel"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:4.18.0-553.104.1.rt7.445.el8_10"}]}],"database_specific":{"source":"https://security.access.redhat.com/data/osv/RHSA-2026:2378.json"}},{"package":{"name":"kernel-rt-debug-kvm","ecosystem":"Red Hat:enterprise_linux:8::realtime","purl":"pkg:rpm/redhat/kernel-rt-debug-kvm"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:4.18.0-553.104.1.rt7.445.el8_10"}]}],"database_specific":{"source":"https://security.access.redhat.com/data/osv/RHSA-2026:2378.json"}},{"package":{"name":"kernel-rt-debug-modules","ecosystem":"Red Hat:enterprise_linux:8::realtime","purl":"pkg:rpm/redhat/kernel-rt-debug-modules"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:4.18.0-553.104.1.rt7.445.el8_10"}]}],"database_specific":{"source":"https://security.access.redhat.com/data/osv/RHSA-2026:2378.json"}},{"package":{"name":"kernel-rt-debug-modules-extra","ecosystem":"Red Hat:enterprise_linux:8::realtime","purl":"pkg:rpm/redhat/kernel-rt-debug-modules-extra"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:4.18.0-553.104.1.rt7.445.el8_10"}]}],"database_specific":{"source":"https://security.access.redhat.com/data/osv/RHSA-2026:2378.json"}},{"package":{"name":"kernel-rt-debuginfo","ecosystem":"Red Hat:enterprise_linux:8::realtime","purl":"pkg:rpm/redhat/kernel-rt-debuginfo"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:4.18.0-553.104.1.rt7.445.el8_10"}]}],"database_specific":{"source":"https://security.access.redhat.com/data/osv/RHSA-2026:2378.json"}},{"package":{"name":"kernel-rt-debuginfo-common-x86_64","ecosystem":"Red Hat:enterprise_linux:8::realtime","purl":"pkg:rpm/redhat/kernel-rt-debuginfo-common-x86_64"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:4.18.0-553.104.1.rt7.445.el8_10"}]}],"database_specific":{"source":"https://security.access.redhat.com/data/osv/RHSA-2026:2378.json"}},{"package":{"name":"kernel-rt-devel","ecosystem":"Red Hat:enterprise_linux:8::realtime","purl":"pkg:rpm/redhat/kernel-rt-devel"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:4.18.0-553.104.1.rt7.445.el8_10"}]}],"database_specific":{"source":"https://security.access.redhat.com/data/osv/RHSA-2026:2378.json"}},{"package":{"name":"kernel-rt-kvm","ecosystem":"Red Hat:enterprise_linux:8::realtime","purl":"pkg:rpm/redhat/kernel-rt-kvm"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:4.18.0-553.104.1.rt7.445.el8_10"}]}],"database_specific":{"source":"https://security.access.redhat.com/data/osv/RHSA-2026:2378.json"}},{"package":{"name":"kernel-rt-modules","ecosystem":"Red Hat:enterprise_linux:8::realtime","purl":"pkg:rpm/redhat/kernel-rt-modules"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:4.18.0-553.104.1.rt7.445.el8_10"}]}],"database_specific":{"source":"https://security.access.redhat.com/data/osv/RHSA-2026:2378.json"}},{"package":{"name":"kernel-rt-modules-extra","ecosystem":"Red Hat:enterprise_linux:8::realtime","purl":"pkg:rpm/redhat/kernel-rt-modules-extra"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:4.18.0-553.104.1.rt7.445.el8_10"}]}],"database_specific":{"source":"https://security.access.redhat.com/data/osv/RHSA-2026:2378.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"}]}