{"id":"RHSA-2026:57254","summary":"Red Hat Security Advisory: kernel-rt security, bug fix, and enhancement update","modified":"2026-08-20T10:32:49.920251327Z","published":"2026-08-20T10:20:11Z","upstream":["CVE-2024-56602","CVE-2026-46120","CVE-2026-52991","CVE-2026-53189","CVE-2026-63887","CVE-2026-63888","CVE-2026-64048","CVE-2026-64379","CVE-2026-68388"],"references":[{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2026:57254"},{"type":"ARTICLE","url":"https://access.redhat.com/security/updates/classification/#important"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2334501"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2482614"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2492403"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2492788"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2502443"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2502447"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2502589"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2507135"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2513470"},{"type":"ADVISORY","url":"https://security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_57254.json"},{"type":"REPORT","url":"https://access.redhat.com/security/cve/CVE-2024-56602"},{"type":"ADVISORY","url":"https://www.cve.org/CVERecord?id=CVE-2024-56602"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2024-56602"},{"type":"ARTICLE","url":"https://lore.kernel.org/linux-cve-announce/2024122703-CVE-2024-56602-d030@gregkh/T"},{"type":"REPORT","url":"https://access.redhat.com/security/cve/CVE-2026-46120"},{"type":"ADVISORY","url":"https://www.cve.org/CVERecord?id=CVE-2026-46120"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-46120"},{"type":"ARTICLE","url":"https://lore.kernel.org/linux-cve-announce/2026052815-CVE-2026-46120-1a01@gregkh/T"},{"type":"REPORT","url":"https://access.redhat.com/security/cve/CVE-2026-52991"},{"type":"ADVISORY","url":"https://www.cve.org/CVERecord?id=CVE-2026-52991"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-52991"},{"type":"ARTICLE","url":"https://lore.kernel.org/linux-cve-announce/2026062444-CVE-2026-52991-18fe@gregkh/T"},{"type":"REPORT","url":"https://access.redhat.com/security/cve/CVE-2026-53189"},{"type":"ADVISORY","url":"https://www.cve.org/CVERecord?id=CVE-2026-53189"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-53189"},{"type":"ARTICLE","url":"https://lore.kernel.org/linux-cve-announce/2026062557-CVE-2026-53189-1b4a@gregkh/T"},{"type":"REPORT","url":"https://access.redhat.com/security/cve/CVE-2026-63887"},{"type":"ADVISORY","url":"https://www.cve.org/CVERecord?id=CVE-2026-63887"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-63887"},{"type":"ARTICLE","url":"https://lore.kernel.org/linux-cve-announce/2026071940-CVE-2026-63887-cf4b@gregkh/T"},{"type":"REPORT","url":"https://access.redhat.com/security/cve/CVE-2026-63888"},{"type":"ADVISORY","url":"https://www.cve.org/CVERecord?id=CVE-2026-63888"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-63888"},{"type":"ARTICLE","url":"https://lore.kernel.org/linux-cve-announce/2026071940-CVE-2026-63888-a5d6@gregkh/T"},{"type":"REPORT","url":"https://access.redhat.com/security/cve/CVE-2026-64048"},{"type":"ADVISORY","url":"https://www.cve.org/CVERecord?id=CVE-2026-64048"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-64048"},{"type":"ARTICLE","url":"https://lore.kernel.org/linux-cve-announce/2026071907-CVE-2026-64048-a8e3@gregkh/T"},{"type":"REPORT","url":"https://access.redhat.com/security/cve/CVE-2026-64379"},{"type":"ADVISORY","url":"https://www.cve.org/CVERecord?id=CVE-2026-64379"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-64379"},{"type":"ARTICLE","url":"https://lore.kernel.org/linux-cve-announce/2026072525-CVE-2026-64379-242b@gregkh/T"},{"type":"REPORT","url":"https://access.redhat.com/security/cve/CVE-2026-68388"},{"type":"ADVISORY","url":"https://www.cve.org/CVERecord?id=CVE-2026-68388"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-68388"},{"type":"ARTICLE","url":"https://lore.kernel.org/linux-cve-announce/2026081046-CVE-2026-68388-0434@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":"0:4.18.0-553.157.1.rt7.498.el8_10"}]}],"database_specific":{"source":"https://security.access.redhat.com/data/osv/RHSA-2026:57254.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":"0:4.18.0-553.157.1.rt7.498.el8_10"}]}],"database_specific":{"source":"https://security.access.redhat.com/data/osv/RHSA-2026:57254.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":"0:4.18.0-553.157.1.rt7.498.el8_10"}]}],"database_specific":{"source":"https://security.access.redhat.com/data/osv/RHSA-2026:57254.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":"0:4.18.0-553.157.1.rt7.498.el8_10"}]}],"database_specific":{"source":"https://security.access.redhat.com/data/osv/RHSA-2026:57254.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":"0:4.18.0-553.157.1.rt7.498.el8_10"}]}],"database_specific":{"source":"https://security.access.redhat.com/data/osv/RHSA-2026:57254.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":"0:4.18.0-553.157.1.rt7.498.el8_10"}]}],"database_specific":{"source":"https://security.access.redhat.com/data/osv/RHSA-2026:57254.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":"0:4.18.0-553.157.1.rt7.498.el8_10"}]}],"database_specific":{"source":"https://security.access.redhat.com/data/osv/RHSA-2026:57254.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":"0:4.18.0-553.157.1.rt7.498.el8_10"}]}],"database_specific":{"source":"https://security.access.redhat.com/data/osv/RHSA-2026:57254.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":"0:4.18.0-553.157.1.rt7.498.el8_10"}]}],"database_specific":{"source":"https://security.access.redhat.com/data/osv/RHSA-2026:57254.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":"0:4.18.0-553.157.1.rt7.498.el8_10"}]}],"database_specific":{"source":"https://security.access.redhat.com/data/osv/RHSA-2026:57254.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":"0:4.18.0-553.157.1.rt7.498.el8_10"}]}],"database_specific":{"source":"https://security.access.redhat.com/data/osv/RHSA-2026:57254.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":"0:4.18.0-553.157.1.rt7.498.el8_10"}]}],"database_specific":{"source":"https://security.access.redhat.com/data/osv/RHSA-2026:57254.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":"0:4.18.0-553.157.1.rt7.498.el8_10"}]}],"database_specific":{"source":"https://security.access.redhat.com/data/osv/RHSA-2026:57254.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":"0:4.18.0-553.157.1.rt7.498.el8_10"}]}],"database_specific":{"source":"https://security.access.redhat.com/data/osv/RHSA-2026:57254.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":"0:4.18.0-553.157.1.rt7.498.el8_10"}]}],"database_specific":{"source":"https://security.access.redhat.com/data/osv/RHSA-2026:57254.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":"0:4.18.0-553.157.1.rt7.498.el8_10"}]}],"database_specific":{"source":"https://security.access.redhat.com/data/osv/RHSA-2026:57254.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":"0:4.18.0-553.157.1.rt7.498.el8_10"}]}],"database_specific":{"source":"https://security.access.redhat.com/data/osv/RHSA-2026:57254.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":"0:4.18.0-553.157.1.rt7.498.el8_10"}]}],"database_specific":{"source":"https://security.access.redhat.com/data/osv/RHSA-2026:57254.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":"0:4.18.0-553.157.1.rt7.498.el8_10"}]}],"database_specific":{"source":"https://security.access.redhat.com/data/osv/RHSA-2026:57254.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":"0:4.18.0-553.157.1.rt7.498.el8_10"}]}],"database_specific":{"source":"https://security.access.redhat.com/data/osv/RHSA-2026:57254.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":"0:4.18.0-553.157.1.rt7.498.el8_10"}]}],"database_specific":{"source":"https://security.access.redhat.com/data/osv/RHSA-2026:57254.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":"0:4.18.0-553.157.1.rt7.498.el8_10"}]}],"database_specific":{"source":"https://security.access.redhat.com/data/osv/RHSA-2026:57254.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":"0:4.18.0-553.157.1.rt7.498.el8_10"}]}],"database_specific":{"source":"https://security.access.redhat.com/data/osv/RHSA-2026:57254.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":"0:4.18.0-553.157.1.rt7.498.el8_10"}]}],"database_specific":{"source":"https://security.access.redhat.com/data/osv/RHSA-2026:57254.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":"0:4.18.0-553.157.1.rt7.498.el8_10"}]}],"database_specific":{"source":"https://security.access.redhat.com/data/osv/RHSA-2026:57254.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":"0:4.18.0-553.157.1.rt7.498.el8_10"}]}],"database_specific":{"source":"https://security.access.redhat.com/data/osv/RHSA-2026:57254.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":"0:4.18.0-553.157.1.rt7.498.el8_10"}]}],"database_specific":{"source":"https://security.access.redhat.com/data/osv/RHSA-2026:57254.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":"0:4.18.0-553.157.1.rt7.498.el8_10"}]}],"database_specific":{"source":"https://security.access.redhat.com/data/osv/RHSA-2026:57254.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H"}]}