{"id":"CLSA-2026-1786436146","summary":"kernel: Fix of 8 CVEs","details":"- KVM: x86: Check for invalid/obsolete root *after* making MMU pages available {CVE-2026-64561}\n- KVM: x86/mmu: Ensure hugepage is in by slot before checking max mapping level {CVE-2026-63807}\n- wifi: rtlwifi: pci: fix possible use-after-free caused by unfinished irq_prepare_bcn_tasklet {CVE-2026-53112}\n- ipv6: prevent possible UaF in addrconf_permanent_addr() {CVE-2026-43339}\n- netfilter: nf_conntrack_h323: fix OOB read in decode_choice() {CVE-2026-43233}\n- Bluetooth: SMP: force responder MITM requirements before building the pairing response {CVE-2026-43334}\n- bpf: Reject variable offset alu on PTR_TO_FLOW_KEYS {CVE-2024-26589}\n- vsock: fix buffer size clamping order {CVE-2026-46234}","modified":"2026-10-26T09:43:39.472876042Z","published":"2026-10-18T03:28:25Z","upstream":["CVE-2024-26589","CVE-2026-43233","CVE-2026-43334","CVE-2026-43339","CVE-2026-46234","CVE-2026-53112","CVE-2026-63807","CVE-2026-64561"],"references":[{"type":"ADVISORY","url":"https://errata.tuxcare.com/els_os/centos8.5els/CLSA-2026-1786436146.html"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2024-26589"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-43233"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-43334"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-43339"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-46234"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-53112"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-63807"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-64561"}],"affected":[{"package":{"name":"bpftool","ecosystem":"TuxCare:CentOS:8.5","purl":"pkg:rpm/tuxcare/bpftool?distro=centos-8.5"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.18.0-348.7.1.el8_5.tuxcare.els46"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/centos8.5els/CLSA-2026-1786436146.json"}},{"package":{"name":"kernel","ecosystem":"TuxCare:CentOS:8.5","purl":"pkg:rpm/tuxcare/kernel?distro=centos-8.5"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.18.0-348.7.1.el8_5.tuxcare.els46"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/centos8.5els/CLSA-2026-1786436146.json"}},{"package":{"name":"kernel-core","ecosystem":"TuxCare:CentOS:8.5","purl":"pkg:rpm/tuxcare/kernel-core?distro=centos-8.5"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.18.0-348.7.1.el8_5.tuxcare.els46"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/centos8.5els/CLSA-2026-1786436146.json"}},{"package":{"name":"kernel-cross-headers","ecosystem":"TuxCare:CentOS:8.5","purl":"pkg:rpm/tuxcare/kernel-cross-headers?distro=centos-8.5"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.18.0-348.7.1.el8_5.tuxcare.els46"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/centos8.5els/CLSA-2026-1786436146.json"}},{"package":{"name":"kernel-debug","ecosystem":"TuxCare:CentOS:8.5","purl":"pkg:rpm/tuxcare/kernel-debug?distro=centos-8.5"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.18.0-348.7.1.el8_5.tuxcare.els46"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/centos8.5els/CLSA-2026-1786436146.json"}},{"package":{"name":"kernel-debug-core","ecosystem":"TuxCare:CentOS:8.5","purl":"pkg:rpm/tuxcare/kernel-debug-core?distro=centos-8.5"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.18.0-348.7.1.el8_5.tuxcare.els46"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/centos8.5els/CLSA-2026-1786436146.json"}},{"package":{"name":"kernel-debug-devel","ecosystem":"TuxCare:CentOS:8.5","purl":"pkg:rpm/tuxcare/kernel-debug-devel?distro=centos-8.5"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.18.0-348.7.1.el8_5.tuxcare.els46"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/centos8.5els/CLSA-2026-1786436146.json"}},{"package":{"name":"kernel-debug-modules","ecosystem":"TuxCare:CentOS:8.5","purl":"pkg:rpm/tuxcare/kernel-debug-modules?distro=centos-8.5"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.18.0-348.7.1.el8_5.tuxcare.els46"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/centos8.5els/CLSA-2026-1786436146.json"}},{"package":{"name":"kernel-debug-modules-extra","ecosystem":"TuxCare:CentOS:8.5","purl":"pkg:rpm/tuxcare/kernel-debug-modules-extra?distro=centos-8.5"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.18.0-348.7.1.el8_5.tuxcare.els46"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/centos8.5els/CLSA-2026-1786436146.json"}},{"package":{"name":"kernel-debug-modules-internal","ecosystem":"TuxCare:CentOS:8.5","purl":"pkg:rpm/tuxcare/kernel-debug-modules-internal?distro=centos-8.5"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.18.0-348.7.1.el8_5.tuxcare.els46"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/centos8.5els/CLSA-2026-1786436146.json"}},{"package":{"name":"kernel-devel","ecosystem":"TuxCare:CentOS:8.5","purl":"pkg:rpm/tuxcare/kernel-devel?distro=centos-8.5"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.18.0-348.7.1.el8_5.tuxcare.els46"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/centos8.5els/CLSA-2026-1786436146.json"}},{"package":{"name":"kernel-headers","ecosystem":"TuxCare:CentOS:8.5","purl":"pkg:rpm/tuxcare/kernel-headers?distro=centos-8.5"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.18.0-348.7.1.el8_5.tuxcare.els46"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/centos8.5els/CLSA-2026-1786436146.json"}},{"package":{"name":"kernel-ipaclones-internal","ecosystem":"TuxCare:CentOS:8.5","purl":"pkg:rpm/tuxcare/kernel-ipaclones-internal?distro=centos-8.5"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.18.0-348.7.1.el8_5.tuxcare.els46"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/centos8.5els/CLSA-2026-1786436146.json"}},{"package":{"name":"kernel-modules","ecosystem":"TuxCare:CentOS:8.5","purl":"pkg:rpm/tuxcare/kernel-modules?distro=centos-8.5"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.18.0-348.7.1.el8_5.tuxcare.els46"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/centos8.5els/CLSA-2026-1786436146.json"}},{"package":{"name":"kernel-modules-extra","ecosystem":"TuxCare:CentOS:8.5","purl":"pkg:rpm/tuxcare/kernel-modules-extra?distro=centos-8.5"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.18.0-348.7.1.el8_5.tuxcare.els46"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/centos8.5els/CLSA-2026-1786436146.json"}},{"package":{"name":"kernel-modules-internal","ecosystem":"TuxCare:CentOS:8.5","purl":"pkg:rpm/tuxcare/kernel-modules-internal?distro=centos-8.5"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.18.0-348.7.1.el8_5.tuxcare.els46"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/centos8.5els/CLSA-2026-1786436146.json"}},{"package":{"name":"kernel-selftests-internal","ecosystem":"TuxCare:CentOS:8.5","purl":"pkg:rpm/tuxcare/kernel-selftests-internal?distro=centos-8.5"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.18.0-348.7.1.el8_5.tuxcare.els46"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/centos8.5els/CLSA-2026-1786436146.json"}},{"package":{"name":"kernel-tools","ecosystem":"TuxCare:CentOS:8.5","purl":"pkg:rpm/tuxcare/kernel-tools?distro=centos-8.5"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.18.0-348.7.1.el8_5.tuxcare.els46"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/centos8.5els/CLSA-2026-1786436146.json"}},{"package":{"name":"kernel-tools-libs","ecosystem":"TuxCare:CentOS:8.5","purl":"pkg:rpm/tuxcare/kernel-tools-libs?distro=centos-8.5"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.18.0-348.7.1.el8_5.tuxcare.els46"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/centos8.5els/CLSA-2026-1786436146.json"}},{"package":{"name":"kernel-tools-libs-devel","ecosystem":"TuxCare:CentOS:8.5","purl":"pkg:rpm/tuxcare/kernel-tools-libs-devel?distro=centos-8.5"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.18.0-348.7.1.el8_5.tuxcare.els46"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/centos8.5els/CLSA-2026-1786436146.json"}},{"package":{"name":"perf","ecosystem":"TuxCare:CentOS:8.5","purl":"pkg:rpm/tuxcare/perf?distro=centos-8.5"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.18.0-348.7.1.el8_5.tuxcare.els46"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/centos8.5els/CLSA-2026-1786436146.json"}},{"package":{"name":"python3-perf","ecosystem":"TuxCare:CentOS:8.5","purl":"pkg:rpm/tuxcare/python3-perf?distro=centos-8.5"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.18.0-348.7.1.el8_5.tuxcare.els46"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/centos8.5els/CLSA-2026-1786436146.json"}}],"schema_version":"1.9.0"}