{"id":"CLSA-2026-1787303413","summary":"Fix CVE(s): CVE-2026-31405, CVE-2026-53043, CVE-2026-64564","details":"   * CVE-2026-64564\n     - sctp: don't free the ASCONF's own transport in DEL-IP processing\n       {CVE-2026-64564}\n   * CVE-2026-53043\n     - ocfs2/dlm: validate qr_numregions in dlm_match_regions() {CVE-2026-53043}\n   * CVE-2026-31405\n     - media: dvb-net: fix OOB access in ULE extension header tables\n       {CVE-2026-31405}\n   * Bump ABI 5.4.0-236","modified":"2026-10-26T09:31:40.160677428Z","published":"2026-10-19T14:42:26Z","upstream":["CVE-2026-31405","CVE-2026-53043","CVE-2026-64564"],"references":[{"type":"ADVISORY","url":"https://errata.tuxcare.com/els_os/ubuntu20.04els/CLSA-2026-1787303413.html"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-31405"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-53043"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-64564"}],"affected":[{"package":{"name":"linux-buildinfo-5.4.0-236-generic","ecosystem":"TuxCare:Ubuntu:20.04","purl":"pkg:deb/tuxcare/linux-buildinfo-5.4.0-236-generic?distro=ubuntu-20.04"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.4.0-236.256+tuxcare.els1"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu20.04els/CLSA-2026-1787303413.json"}},{"package":{"name":"linux-buildinfo-5.4.0-236-lowlatency","ecosystem":"TuxCare:Ubuntu:20.04","purl":"pkg:deb/tuxcare/linux-buildinfo-5.4.0-236-lowlatency?distro=ubuntu-20.04"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.4.0-236.256+tuxcare.els1"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu20.04els/CLSA-2026-1787303413.json"}},{"package":{"name":"linux-cloud-tools-5.4.0-236","ecosystem":"TuxCare:Ubuntu:20.04","purl":"pkg:deb/tuxcare/linux-cloud-tools-5.4.0-236?distro=ubuntu-20.04"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.4.0-236.256+tuxcare.els1"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu20.04els/CLSA-2026-1787303413.json"}},{"package":{"name":"linux-cloud-tools-5.4.0-236-generic","ecosystem":"TuxCare:Ubuntu:20.04","purl":"pkg:deb/tuxcare/linux-cloud-tools-5.4.0-236-generic?distro=ubuntu-20.04"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.4.0-236.256+tuxcare.els1"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu20.04els/CLSA-2026-1787303413.json"}},{"package":{"name":"linux-cloud-tools-5.4.0-236-lowlatency","ecosystem":"TuxCare:Ubuntu:20.04","purl":"pkg:deb/tuxcare/linux-cloud-tools-5.4.0-236-lowlatency?distro=ubuntu-20.04"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.4.0-236.256+tuxcare.els1"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu20.04els/CLSA-2026-1787303413.json"}},{"package":{"name":"linux-cloud-tools-common","ecosystem":"TuxCare:Ubuntu:20.04","purl":"pkg:deb/tuxcare/linux-cloud-tools-common?distro=ubuntu-20.04"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.4.0-236.256+tuxcare.els1"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu20.04els/CLSA-2026-1787303413.json"}},{"package":{"name":"linux-doc","ecosystem":"TuxCare:Ubuntu:20.04","purl":"pkg:deb/tuxcare/linux-doc?distro=ubuntu-20.04"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.4.0-236.256+tuxcare.els1"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu20.04els/CLSA-2026-1787303413.json"}},{"package":{"name":"linux-headers-5.4.0-236","ecosystem":"TuxCare:Ubuntu:20.04","purl":"pkg:deb/tuxcare/linux-headers-5.4.0-236?distro=ubuntu-20.04"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.4.0-236.256+tuxcare.els1"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu20.04els/CLSA-2026-1787303413.json"}},{"package":{"name":"linux-headers-5.4.0-236-generic","ecosystem":"TuxCare:Ubuntu:20.04","purl":"pkg:deb/tuxcare/linux-headers-5.4.0-236-generic?distro=ubuntu-20.04"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.4.0-236.256+tuxcare.els1"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu20.04els/CLSA-2026-1787303413.json"}},{"package":{"name":"linux-headers-5.4.0-236-lowlatency","ecosystem":"TuxCare:Ubuntu:20.04","purl":"pkg:deb/tuxcare/linux-headers-5.4.0-236-lowlatency?distro=ubuntu-20.04"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.4.0-236.256+tuxcare.els1"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu20.04els/CLSA-2026-1787303413.json"}},{"package":{"name":"linux-image-unsigned-5.4.0-236-generic","ecosystem":"TuxCare:Ubuntu:20.04","purl":"pkg:deb/tuxcare/linux-image-unsigned-5.4.0-236-generic?distro=ubuntu-20.04"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.4.0-236.256+tuxcare.els1"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu20.04els/CLSA-2026-1787303413.json"}},{"package":{"name":"linux-image-unsigned-5.4.0-2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