{"id":"CLSA-2026-1786444011","summary":"kernel: Fix of 16 CVEs","details":"- KVM: x86/mmu: Ensure hugepage is in by slot before checking max mapping level {CVE-2026-63807}\n- KVM: x86: Check for invalid/obsolete root *after* making MMU pages available {CVE-2026-64561}\n- comedi: vmk80xx: fix bulk-buffer overflow {CVE-2021-47474}\n- staging: vme_user: Fix possible UAF in tsi148_dma_list_add {CVE-2022-50384}\n- net/sched: teql: fix NULL pointer dereference in iptunnel_xmit on TEQL slave xmit {CVE-2026-23277}\n- net: mana: fix use-after-free in add_adev() error path {CVE-2026-43056}\n- dm cache: fix null-deref with concurrent writes in passthrough mode {CVE-2026-53064}\n- signal: clear JOBCTL_PENDING_MASK for caller in zap_other_threads() {CVE-2026-53352}\n- wifi: rtlwifi: pci: fix possible use-after-free caused by unfinished irq_prepare_bcn_tasklet {CVE-2026-53112}\n- bpf: Reject variable offset alu on PTR_TO_FLOW_KEYS {CVE-2024-26589}\n- ipv6: prevent possible UaF in addrconf_permanent_addr() {CVE-2026-43339}\n- KVM: nSVM: Always use vmcb01 in VMLOAD/VMSAVE emulation {CVE-2026-43133}\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- nbd: fix uaf in nbd_genl_connect() error path {CVE-2025-38443}\n- drm/i915/hwmon: Get rid of devm {CVE-2024-39479}\n- scsi: megaraid_sas: Fix invalid node index {CVE-2025-38239}\n- vsock: fix buffer size clamping order {CVE-2026-46234}\n- net: ena: fix shift-out-of-bounds in exponential backoff {CVE-2023-53272}","modified":"2026-10-26T09:43:29.346775488Z","published":"2026-10-19T13:34:57Z","upstream":["CVE-2021-47474","CVE-2022-50384","CVE-2023-53272","CVE-2024-26589","CVE-2024-39479","CVE-2025-38239","CVE-2025-38443","CVE-2026-23277","CVE-2026-43056","CVE-2026-43133","CVE-2026-43233","CVE-2026-43334","CVE-2026-43339","CVE-2026-46234","CVE-2026-53064","CVE-2026-53112","CVE-2026-53352","CVE-2026-63807","CVE-2026-64561"],"references":[{"type":"ADVISORY","url":"https://errata.tuxcare.com/els_os/centos-stream8els/CLSA-2026-1786444011.html"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2021-47474"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2023-53272"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2024-26589"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2024-39479"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2025-38443"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-23277"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-43056"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-43133"},{"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-2026-53064"},{"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-Stream:8","purl":"pkg:rpm/tuxcare/bpftool?distro=centos-stream-8"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.18.0-553.6.1.el8_10.tuxcare.els28"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/centos-stream8els/CLSA-2026-1786444011.json"}},{"package":{"name":"kernel","ecosystem":"TuxCare:CentOS-Stream:8","purl":"pkg:rpm/tuxcare/kernel?distro=centos-stream-8"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.18.0-553.6.1.el8_10.tuxcare.els28"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/centos-stream8els/CLSA-2026-1786444011.json"}},{"package":{"name":"kernel-core","ecosystem":"TuxCare:CentOS-Stream:8","purl":"pkg:rpm/tuxcare/kernel-core?distro=centos-stream-8"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.18.0-553.6.1.el8_10.tuxcare.els28"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/centos-stream8els/CLSA-2026-1786444011.json"}},{"package":{"name":"kernel-cross-headers","ecosystem":"TuxCare:CentOS-Stream:8","purl":"pkg:rpm/tuxcare/kernel-cross-headers?distro=centos-stream-8"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.18.0-553.6.1.el8_10.tuxcare.els28"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/centos-stream8els/CLSA-2026-1786444011.json"}},{"package":{"name":"kernel-debug","ecosystem":"TuxCare:CentOS-Stream:8","purl":"pkg:rpm/tuxcare/kernel-debug?distro=centos-stream-8"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.18.0-553.6.1.el8_10.tuxcare.els28"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/centos-stream8els/CLSA-2026-1786444011.json"}},{"package":{"name":"kernel-debug-core","ecosystem":"TuxCare:CentOS-Stream:8","purl":"pkg:rpm/tuxcare/kernel-debug-core?distro=centos-stream-8"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.18.0-553.6.1.el8_10.tuxcare.els28"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/centos-stream8els/CLSA-2026-1786444011.json"}},{"package":{"name":"kernel-debug-devel","ecosystem":"TuxCare:CentOS-Stream:8","purl":"pkg:rpm/tuxcare/kernel-debug-devel?distro=centos-stream-8"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.18.0-553.6.1.el8_10.tuxcare.els28"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/centos-stream8els/CLSA-2026-1786444011.json"}},{"package":{"name":"kernel-debug-modules","ecosystem":"TuxCare:CentOS-Stream:8","purl":"pkg:rpm/tuxcare/kernel-debug-modules?distro=centos-stream-8"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.18.0-553.6.1.el8_10.tuxcare.els28"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/centos-stream8els/CLSA-2026-1786444011.json"}},{"package":{"name":"kernel-debug-modules-extra","ecosystem":"TuxCare:CentOS-Stream:8","purl":"pkg:rp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