{"id":"CLSA-2026-1783414155","summary":"kernel: Fix of 12 CVEs","details":"- KVM: x86: Fix shadow paging use-after-free due to unexpected GFN/role {CVE-2026-46113}\n- net: af_key: zero aligned sockaddr tail in PF_KEY exports {CVE-2026-43088}\n- ip6_tunnel: clear skb2-\u003ecb[] in ip4ip6_err() {CVE-2026-43037}\n- ipv6: icmp: clear skb2-\u003ecb[] in ip6_err_gen_icmpv6_unreach() {CVE-2026-43038}\n- blk-cgroup: fix UAF by grabbing blkcg lock before destroying blkg pd {CVE-2021-47379}\n- can: bcm: add locking for bcm_op runtime updates {CVE-2025-38004}\n- smb3: fix for slab out of bounds on mount to ksmbd {CVE-2025-38728}\n- iommu: disable SVA when CONFIG_X86 is set {CVE-2025-71089}\n- nfnetlink_osf: validate individual option lengths in fingerprints {CVE-2026-23397}\n- driver core: platform: use generic driver_override infrastructure {CVE-2026-31527}","modified":"2026-10-26T09:43:15.235092843Z","published":"2026-10-18T05:22:09Z","upstream":["CVE-2021-47379","CVE-2025-38004","CVE-2025-38728","CVE-2025-71089","CVE-2026-23397","CVE-2026-31527","CVE-2026-43037","CVE-2026-43038","CVE-2026-43088","CVE-2026-46113"],"references":[{"type":"ADVISORY","url":"https://errata.tuxcare.com/els_os/centos8.5els/CLSA-2026-1783414155.html"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2021-47379"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2023-39189"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2025-38004"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2025-38728"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2025-71089"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-23397"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-31527"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-43037"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-43038"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-43088"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-46113"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-53359"}],"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.els43"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/centos8.5els/CLSA-2026-1783414155.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.els43"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/centos8.5els/CLSA-2026-1783414155.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.els43"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/centos8.5els/CLSA-2026-1783414155.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.els43"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/centos8.5els/CLSA-2026-1783414155.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.els43"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/centos8.5els/CLSA-2026-1783414155.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.els43"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/centos8.5els/CLSA-2026-1783414155.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.els43"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/centos8.5els/CLSA-2026-1783414155.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.els43"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/centos8.5els/CLSA-2026-1783414155.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.els43"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/centos8.5els/CLSA-2026-1783414155.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.els43"}]}],"database_specific":{"sou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