{"id":"RHSA-2026:66000","summary":"Red Hat Security Advisory: kernel security update","modified":"2026-09-11T10:14:54Z","published":"2026-09-10T10:17:08Z","upstream":["CVE-2026-43493","CVE-2026-53002","CVE-2026-64007","CVE-2026-64563","CVE-2026-68343","CVE-2026-72129","CVE-2026-74480"],"references":[{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2026:66000"},{"type":"ARTICLE","url":"https://access.redhat.com/security/updates/classification/#important"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2479812"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2492329"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2502361"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2510892"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2513373"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2516731"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2517046"},{"type":"ADVISORY","url":"https://security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_66000.json"},{"type":"REPORT","url":"https://access.redhat.com/security/cve/CVE-2026-43493"},{"type":"ADVISORY","url":"https://www.cve.org/CVERecord?id=CVE-2026-43493"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-43493"},{"type":"ARTICLE","url":"https://git.kernel.org/pub/scm/linux/security/vulns.git/plain/cve/published/2026/CVE-2026-43493.mbox"},{"type":"REPORT","url":"https://access.redhat.com/security/cve/CVE-2026-53002"},{"type":"ADVISORY","url":"https://www.cve.org/CVERecord?id=CVE-2026-53002"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-53002"},{"type":"ARTICLE","url":"https://lore.kernel.org/linux-cve-announce/2026062447-CVE-2026-53002-8577@gregkh/T"},{"type":"REPORT","url":"https://access.redhat.com/security/cve/CVE-2026-64007"},{"type":"ADVISORY","url":"https://www.cve.org/CVERecord?id=CVE-2026-64007"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-64007"},{"type":"ARTICLE","url":"https://lore.kernel.org/linux-cve-announce/2026071908-CVE-2026-64007-5e61@gregkh/T"},{"type":"REPORT","url":"https://access.redhat.com/security/cve/CVE-2026-64563"},{"type":"ADVISORY","url":"https://www.cve.org/CVERecord?id=CVE-2026-64563"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-64563"},{"type":"ARTICLE","url":"https://lore.kernel.org/linux-cve-announce/2026080404-CVE-2026-64563-9d7f@gregkh/T"},{"type":"REPORT","url":"https://access.redhat.com/security/cve/CVE-2026-68343"},{"type":"ADVISORY","url":"https://www.cve.org/CVERecord?id=CVE-2026-68343"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-68343"},{"type":"ARTICLE","url":"https://lore.kernel.org/linux-cve-announce/2026081037-CVE-2026-68343-843c@gregkh/T"},{"type":"REPORT","url":"https://access.redhat.com/security/cve/CVE-2026-72129"},{"type":"ADVISORY","url":"https://www.cve.org/CVERecord?id=CVE-2026-72129"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-72129"},{"type":"ARTICLE","url":"https://lore.kernel.org/linux-cve-announce/2026081530-CVE-2026-72129-841e@gregkh/T"},{"type":"REPORT","url":"https://access.redhat.com/security/cve/CVE-2026-74480"},{"type":"ADVISORY","url":"https://www.cve.org/CVERecord?id=CVE-2026-74480"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-74480"},{"type":"ARTICLE","url":"https://lore.kernel.org/linux-cve-announce/2026081536-CVE-2026-74480-e620@gregkh/T"}],"affected":[{"package":{"name":"bpftool","ecosystem":"Red Hat:enterprise_linux:8::baseos","purl":"pkg:rpm/redhat/bpftool"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:4.18.0-553.160.1.el8_10"}]}],"database_specific":{"source":"https://security.access.redhat.com/data/osv/RHSA-2026:66000.json"}},{"package":{"name":"bpftool-debuginfo","ecosystem":"Red Hat:enterprise_linux:8::baseos","purl":"pkg:rpm/redhat/bpftool-debuginfo"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:4.18.0-553.160.1.el8_10"}]}],"database_specific":{"source":"https://security.access.redhat.com/data/osv/RHSA-2026:66000.json"}},{"package":{"name":"kernel","ecosystem":"Red Hat:enterprise_linux:8::baseos","purl":"pkg:rpm/redhat/kernel"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:4.18.0-553.160.1.el8_10"}]}],"database_specific":{"source":"https://security.access.redhat.com/data/osv/RHSA-2026:66000.json"}},{"package":{"name":"kernel-abi-stablelists","ecosystem":"Red Hat:enterprise_linux:8::baseos","purl":"pkg:rpm/redhat/kernel-abi-stablelists"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:4.18.0-553.160.1.el8_10"}]}],"database_specific":{"source":"https://security.access.redhat.com/data/osv/RHSA-2026:66000.json"}},{"package":{"name":"kernel-core","ecosystem":"Red Hat:enterprise_linux:8::baseos","purl":"pkg:rpm/redhat/kernel-core"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:4.18.0-553.160.1.el8_10"}]}],"database_specific":{"source":"https://security.access.redhat.com/data/osv/RHSA-2026:66000.json"}},{"package":{"name":"kernel-debug","ecosystem":"Red Hat:enterprise_linux:8::baseos","purl":"pkg:rpm/redhat/kernel-debug"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:4.18.0-553.160.1.el8_10"}]}],"database_specific":{"source":"https://security.access.redhat.com/data/osv/RHSA-2026:66000.json"}},{"package":{"name":"kernel-debug-core","ecosystem":"Red Hat:enterprise_linux:8::baseos","purl":"pkg:rpm/redhat/kernel-debug-core"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:4.18.0-553.160.1.el8_10"}]}],"database_specific":{"source":"https://security.access.redhat.com/data/osv/RHSA-2026:66000.json"}},{"package":{"name":"kernel-debug-debuginfo","ecosystem":"Red Hat:enterprise_linux:8::baseos","purl":"pkg:rpm/redhat/kernel-debug-debuginfo"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:4.18.0-553.160.1.el8_10"}]}],"database_specific":{"source":"https://security.access.redhat.com/data/osv/RHSA-2026:66000.json"}},{"package":{"name":"kernel-debug-devel","ecosystem":"Red Hat:enterprise_linux:8::baseos","purl":"pkg:rpm/redhat/kernel-debug-devel"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:4.18.0-553.160.1.el8_10"}]}],"database_specific":{"source":"https://security.access.redhat.com/data/osv/RHSA-2026:66000.json"}},{"package":{"name":"kernel-debug-modules","ecosystem":"Red Hat:enterprise_linux:8::baseos","purl":"pkg:rpm/redhat/kernel-debug-modules"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:4.18.0-553.160.1.el8_10"}]}],"database_specific":{"source":"https://security.access.redhat.com/data/osv/RHSA-2026:66000.json"}},{"package":{"name":"kernel-debug-modules-extra","ecosystem":"Red Hat:enterprise_linux:8::baseos","purl":"pkg:rpm/redhat/kernel-debug-modules-extra"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:4.18.0-553.160.1.el8_10"}]}],"database_specific":{"source":"https://security.access.redhat.com/data/osv/RHSA-2026:66000.json"}},{"package":{"name":"kernel-debuginfo","ecosystem":"Red Hat:enterprise_linux:8::baseos","purl":"pkg:rpm/redhat/kernel-debuginfo"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:4.18.0-553.160.1.el8_10"}]}],"database_specific":{"source":"https://security.access.redhat.com/data/osv/RHSA-2026:66000.json"}},{"package":{"name":"kernel-debuginfo-common-aarch64","ecosystem":"Red Hat:enterprise_linux:8::baseos","purl":"pkg:rpm/redhat/kernel-debuginfo-common-aarch64"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:4.18.0-553.160.1.el8_10"}]}],"database_specific":{"source":"https://security.access.redhat.com/data/osv/RHSA-2026:66000.json"}},{"package":{"name":"kernel-debuginfo-common-ppc64le","ecosystem":"Red Hat:enterprise_linux:8::baseos","purl":"pkg:rpm/redhat/kernel-debuginfo-common-ppc64le"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:4.18.0-553.160.1.el8_10"}]}],"database_specific":{"source":"https://security.access.redhat.com/data/osv/RHSA-2026:66000.json"}},{"package":{"name":"kernel-debuginfo-common-s390x","ecosystem":"Red Hat:enterprise_linux:8::baseos","purl":"pkg:rpm/redhat/kernel-debuginfo-common-s390x"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:4.18.0-553.160.1.el8_10"}]}],"database_specific":{"source":"https://security.access.redhat.com/data/osv/RHSA-2026:66000.json"}},{"package":{"name":"kernel-debuginfo-common-x86_64","ecosystem":"Red Hat:enterprise_linux:8::baseos","purl":"pkg:rpm/redhat/kernel-debuginfo-common-x86_64"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:4.18.0-553.160.1.el8_10"}]}],"database_specific":{"source":"https://security.access.redhat.com/data/osv/RHSA-2026:66000.json"}},{"package":{"name":"kernel-devel","ecosystem":"Red Hat:enterprise_linux:8::baseos","purl":"pkg:rpm/redhat/kernel-devel"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:4.18.0-553.160.1.el8_10"}]}],"database_specific":{"source":"https://security.access.redhat.com/data/osv/RHSA-2026:66000.json"}},{"package":{"name":"kernel-doc","ecosystem":"Red Hat:enterprise_linux:8::baseos","purl":"pkg:rpm/redhat/kernel-doc"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:4.18.0-553.160.1.el8_10"}]}],"database_specific":{"source":"https://security.access.redhat.com/data/osv/RHSA-2026:66000.json"}},{"package":{"name":"kernel-modules","ecosystem":"Red Hat:enterprise_linux:8::baseos","purl":"pkg:rpm/redhat/kernel-modules"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:4.18.0-553.160.1.el8_10"}]}],"database_specific":{"source":"https://security.access.redhat.com/data/osv/RHSA-2026:66000.json"}},{"package":{"name":"kernel-modules-extra","ecosystem":"Red Hat:enterprise_linux:8::baseos","purl":"pkg:rpm/redhat/kernel-modules-extra"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:4.18.0-553.160.1.el8_10"}]}],"database_specific":{"source":"https://security.access.redhat.com/data/osv/RHSA-2026:66000.json"}},{"package":{"name":"kernel-tools","ecosystem":"Red Hat:enterprise_linux:8::baseos","purl":"pkg:rpm/redhat/kernel-tools"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:4.18.0-553.160.1.el8_10"}]}],"database_specific":{"source":"https://security.access.redhat.com/data/osv/RHSA-2026:66000.json"}},{"package":{"name":"kernel-tools-debuginfo","ecosystem":"Red Hat:enterprise_linux:8::baseos","purl":"pkg:rpm/redhat/kernel-tools-debuginfo"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:4.18.0-553.160.1.el8_10"}]}],"database_specific":{"source":"https://security.access.redhat.com/data/osv/RHSA-2026:66000.json"}},{"package":{"name":"kernel-tools-libs","ecosystem":"Red Hat:enterprise_linux:8::baseos","purl":"pkg:rpm/redhat/kernel-tools-libs"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:4.18.0-553.160.1.el8_10"}]}],"database_specific":{"source":"https://security.access.redhat.com/data/osv/RHSA-2026:66000.json"}},{"package":{"name":"kernel-zfcpdump","ecosystem":"Red Hat:enterprise_linux:8::baseos","purl":"pkg:rpm/redhat/kernel-zfcpdump"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:4.18.0-553.160.1.el8_10"}]}],"database_specific":{"source":"https://security.access.redhat.com/data/osv/RHSA-2026:66000.json"}},{"package":{"name":"kernel-zfcpdump-core","ecosystem":"Red Hat:enterprise_linux:8::baseos","purl":"pkg:rpm/redhat/kernel-zfcpdump-core"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:4.18.0-553.160.1.el8_10"}]}],"database_specific":{"source":"https://security.access.redhat.com/data/osv/RHSA-2026:66000.json"}},{"package":{"name":"kernel-zfcpdump-debuginfo","ecosystem":"Red Hat:enterprise_linux:8::baseos","purl":"pkg:rpm/redhat/kernel-zfcpdump-debuginfo"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:4.18.0-553.160.1.el8_10"}]}],"database_specific":{"source":"https://security.access.redhat.com/data/osv/RHSA-2026:66000.json"}},{"package":{"name":"kernel-zfcpdump-devel","ecosystem":"Red Hat:enterprise_linux:8::baseos","purl":"pkg:rpm/redhat/kernel-zfcpdump-devel"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:4.18.0-553.160.1.el8_10"}]}],"database_specific":{"source":"https://security.access.redhat.com/data/osv/RHSA-2026:66000.json"}},{"package":{"name":"kernel-zfcpdump-modules","ecosystem":"Red Hat:enterprise_linux:8::baseos","purl":"pkg:rpm/redhat/kernel-zfcpdump-modules"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:4.18.0-553.160.1.el8_10"}]}],"database_specific":{"source":"https://security.access.redhat.com/data/osv/RHSA-2026:66000.json"}},{"package":{"name":"kernel-zfcpdump-modules-extra","ecosystem":"Red Hat:enterprise_linux:8::baseos","purl":"pkg:rpm/redhat/kernel-zfcpdump-modules-extra"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:4.18.0-553.160.1.el8_10"}]}],"database_specific":{"source":"https://security.access.redhat.com/data/osv/RHSA-2026:66000.json"}},{"package":{"name":"perf","ecosystem":"Red Hat:enterprise_linux:8::baseos","purl":"pkg:rpm/redhat/perf"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:4.18.0-553.160.1.el8_10"}]}],"database_specific":{"source":"https://security.access.redhat.com/data/osv/RHSA-2026:66000.json"}},{"package":{"name":"perf-debuginfo","ecosystem":"Red Hat:enterprise_linux:8::baseos","purl":"pkg:rpm/redhat/perf-debuginfo"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:4.18.0-553.160.1.el8_10"}]}],"database_specific":{"source":"https://security.access.redhat.com/data/osv/RHSA-2026:66000.json"}},{"package":{"name":"python3-perf","ecosystem":"Red Hat:enterprise_linux:8::baseos","purl":"pkg:rpm/redhat/python3-perf"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:4.18.0-553.160.1.el8_10"}]}],"database_specific":{"source":"https://security.access.redhat.com/data/osv/RHSA-2026:66000.json"}},{"package":{"name":"python3-perf-debuginfo","ecosystem":"Red Hat:enterprise_linux:8::baseos","purl":"pkg:rpm/redhat/python3-perf-debuginfo"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:4.18.0-553.160.1.el8_10"}]}],"database_specific":{"source":"https://security.access.redhat.com/data/osv/RHSA-2026:66000.json"}},{"package":{"name":"bpftool-debuginfo","ecosystem":"Red Hat:enterprise_linux:8::crb","purl":"pkg:rpm/redhat/bpftool-debuginfo"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:4.18.0-553.160.1.el8_10"}]}],"database_specific":{"source":"https://security.access.redhat.com/data/osv/RHSA-2026:66000.json"}},{"package":{"name":"kernel-debug-debuginfo","ecosystem":"Red Hat:enterprise_linux:8::crb","purl":"pkg:rpm/redhat/kernel-debug-debuginfo"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:4.18.0-553.160.1.el8_10"}]}],"database_specific":{"source":"https://security.access.redhat.com/data/osv/RHSA-2026:66000.json"}},{"package":{"name":"kernel-debuginfo","ecosystem":"Red Hat:enterprise_linux:8::crb","purl":"pkg:rpm/redhat/kernel-debuginfo"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:4.18.0-553.160.1.el8_10"}]}],"database_specific":{"source":"https://security.access.redhat.com/data/osv/RHSA-2026:66000.json"}},{"package":{"name":"kernel-debuginfo-common-aarch64","ecosystem":"Red Hat:enterprise_linux:8::crb","purl":"pkg:rpm/redhat/kernel-debuginfo-common-aarch64"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:4.18.0-553.160.1.el8_10"}]}],"database_specific":{"source":"https://security.access.redhat.com/data/osv/RHSA-2026:66000.json"}},{"package":{"name":"kernel-debuginfo-common-ppc64le","ecosystem":"Red Hat:enterprise_linux:8::crb","purl":"pkg:rpm/redhat/kernel-debuginfo-common-ppc64le"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:4.18.0-553.160.1.el8_10"}]}],"database_specific":{"source":"https://security.access.redhat.com/data/osv/RHSA-2026:66000.json"}},{"package":{"name":"kernel-debuginfo-common-x86_64","ecosystem":"Red Hat:enterprise_linux:8::crb","purl":"pkg:rpm/redhat/kernel-debuginfo-common-x86_64"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:4.18.0-553.160.1.el8_10"}]}],"database_specific":{"source":"https://security.access.redhat.com/data/osv/RHSA-2026:66000.json"}},{"package":{"name":"kernel-tools-debuginfo","ecosystem":"Red Hat:enterprise_linux:8::crb","purl":"pkg:rpm/redhat/kernel-tools-debuginfo"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:4.18.0-553.160.1.el8_10"}]}],"database_specific":{"source":"https://security.access.redhat.com/data/osv/RHSA-2026:66000.json"}},{"package":{"name":"kernel-tools-libs-devel","ecosystem":"Red Hat:enterprise_linux:8::crb","purl":"pkg:rpm/redhat/kernel-tools-libs-devel"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:4.18.0-553.160.1.el8_10"}]}],"database_specific":{"source":"https://security.access.redhat.com/data/osv/RHSA-2026:66000.json"}},{"package":{"name":"perf-debuginfo","ecosystem":"Red Hat:enterprise_linux:8::crb","purl":"pkg:rpm/redhat/perf-debuginfo"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:4.18.0-553.160.1.el8_10"}]}],"database_specific":{"source":"https://security.access.redhat.com/data/osv/RHSA-2026:66000.json"}},{"package":{"name":"python3-perf-debuginfo","ecosystem":"Red Hat:enterprise_linux:8::crb","purl":"pkg:rpm/redhat/python3-perf-debuginfo"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:4.18.0-553.160.1.el8_10"}]}],"database_specific":{"source":"https://security.access.redhat.com/data/osv/RHSA-2026:66000.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H"}]}