{"id":"CLSA-2023-1698305104","summary":"Fix of 7 CVEs","details":"   [ Ubuntu: 4.15.0-220.231 ]\n   * CVE-2023-0597 // CVE-url: https://ubuntu.com/security/CVE-2023-0597\n     - x86/kasan: Map shadow for percpu pages on demand\n     - x86/mm: Recompute physical address for every page of per-CPU CEA mapping\n     - x86/mm: Populate KASAN shadow for entire per-CPU range of CPU entry area\n     - x86/mm: Do not shuffle CPU entry areas without KASLR\n   * CVE-url: https://ubuntu.com/security/CVE-2023-0597\n     - random32: add noise from network and scheduling activity\n     - x86/mm: Randomize per-cpu entry area\n     - x86/cpu_entry_area: Move percpu_setup_debug_store() to __init section\n     - x86/cpu_entry_area: Cleanup setup functions\n   * CVE-2023-42752 // CVE-url: https://ubuntu.com/security/CVE-2023-42752\n     - igmp: limit igmpv3_newpack() packet size to IP_MAX_MTU\n   * CVE-2023-4623 // CVE-url: https://ubuntu.com/security/CVE-2023-4623\n     - net/sched: sch_hfsc: Ensure inner classes have fsc curve\n   * CVE-2023-34319 // CVE-url: https://ubuntu.com/security/CVE-2023-34319\n     - xen/netback: Fix buffer overrun triggered by unusual packet\n   * CVE-2023-4881 // CVE-url: https://ubuntu.com/security/CVE-2023-4881\n     - netfilter: nftables: exthdr: fix 4-byte stack OOB write\n   * CVE-2023-31083 // CVE-url: https://ubuntu.com/security/CVE-2023-31083\n     - Bluetooth: hci_ldisc: check HCI_UART_PROTO_READY flag in HCIUARTGETPROTO\n   * CVE-2023-3772 // CVE-url: https://ubuntu.com/security/CVE-2023-3772\n     - xfrm: add NULL check in xfrm_update_ae_params","modified":"2026-10-26T09:43:40.340636187Z","published":"2026-10-21T08:00:43Z","upstream":["CVE-2023-0597","CVE-2023-31083","CVE-2023-34319","CVE-2023-3772","CVE-2023-42752","CVE-2023-4623","CVE-2023-4881"],"references":[{"type":"ADVISORY","url":"https://errata.tuxcare.com/els_os/ubuntu16.04els/CLSA-2023-1698305104.html"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2023-0597"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2023-31083"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2023-34319"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2023-3772"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2023-42752"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2023-4623"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2023-52628"}],"affected":[{"package":{"name":"linux-buildinfo-4.15.0-220-tuxcare.els18-generic","ecosystem":"TuxCare:Ubuntu:16.04","purl":"pkg:deb/tuxcare/linux-buildinfo-4.15.0-220-tuxcare.els18-generic?distro=ubuntu-16.04"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.15.0-220.231~16.04.1"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu16.04els/CLSA-2023-1698305104.json"}},{"package":{"name":"linux-buildinfo-4.15.0-220-tuxcare.els18-lowlatency","ecosystem":"TuxCare:Ubuntu:16.04","purl":"pkg:deb/tuxcare/linux-buildinfo-4.15.0-220-tuxcare.els18-lowlatency?distro=ubuntu-16.04"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.15.0-220.231~16.04.1"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu16.04els/CLSA-2023-1698305104.json"}},{"package":{"name":"linux-cloud-tools-4.15.0-220-tuxcare.els18-generic","ecosystem":"TuxCare:Ubuntu:16.04","purl":"pkg:deb/tuxcare/linux-cloud-tools-4.15.0-220-tuxcare.els18-generic?distro=ubuntu-16.04"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.15.0-220.231~16.04.1"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu16.04els/CLSA-2023-1698305104.json"}},{"package":{"name":"linux-cloud-tools-4.15.0-220-tuxcare.els18-lowlatency","ecosystem":"TuxCare:Ubuntu:16.04","purl":"pkg:deb/tuxcare/linux-cloud-tools-4.15.0-220-tuxcare.els18-lowlatency?distro=ubuntu-16.04"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.15.0-220.231~16.04.1"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu16.04els/CLSA-2023-1698305104.json"}},{"package":{"name":"linux-headers-4.15.0-220-tuxcare.els18","ecosystem":"TuxCare:Ubuntu:16.04","purl":"pkg:deb/tuxcare/linux-headers-4.15.0-220-tuxcare.els18?distro=ubuntu-16.04"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.15.0-220.231~16.04.1"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu16.04els/CLSA-2023-1698305104.json"}},{"package":{"name":"linux-headers-4.15.0-220-tuxcare.els18-generic","ecosystem":"TuxCare:Ubuntu:16.04","purl":"pkg:deb/tuxcare/linux-headers-4.15.0-220-tuxcare.els18-generic?distro=ubuntu-16.04"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.15.0-220.231~16.04.1"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu16.04els/CLSA-2023-1698305104.json"}},{"package":{"name":"linux-headers-4.15.0-220-tuxcare.els18-lowlatency","ecosystem":"TuxCare:Ubuntu:16.04","purl":"pkg:deb/tuxcare/linux-headers-4.15.0-220-tuxcare.els18-lowlatency?distro=ubuntu-16.04"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.15.0-220.231~16.04.1"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu16.04els/CLSA-2023-1698305104.json"}},{"package":{"name":"linux-hwe-cloud-tools-4.15.0-220-tuxcare.els18","ecosystem":"TuxCare:Ubuntu:16.04","purl":"pkg:deb/tuxcare/linux-hwe-cloud-tools-4.15.0-220-tuxcare.els18?distro=ubuntu-16.04"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.15.0-220.231~16.04.1"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu16.04els/CLSA-2023-1698305104.json"}},{"package":{"name":"linux-hwe-tools-4.15.0-220-tuxcare.els18","ecosystem":"TuxCare:Ubuntu:16.04","purl":"pkg:deb/tuxcare/linux-hwe-tools-4.15.0-220-tuxcare.els18?distro=ubuntu-16.04"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.15.0-220.231~16.04.1"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu16.04els/CLSA-2023-1698305104.json"}},{"package":{"name":"linux-image-unsigned-4.15.0-220-tuxcare.els18-generic","ecosystem":"TuxCare:Ubuntu:16.04","purl":"pkg:deb/tuxcare/linux-image-unsigned-4.15.0-220-tuxcare.els18-generic?distro=ubuntu-16.04"}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