{"id":"CLSA-2026-1787293393","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 4.15.0-263","modified":"2026-10-26T09:32:02.414233703Z","published":"2026-10-21T23:30:01Z","upstream":["CVE-2026-31405","CVE-2026-53043","CVE-2026-64564"],"references":[{"type":"ADVISORY","url":"https://errata.tuxcare.com/els_os/ubuntu16.04els/CLSA-2026-1787293393.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-4.15.0-263-generic","ecosystem":"TuxCare:Ubuntu:16.04","purl":"pkg:deb/tuxcare/linux-buildinfo-4.15.0-263-generic?distro=ubuntu-16.04"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.15.0-263.274~16.04.1+tuxcare.els1"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu16.04els/CLSA-2026-1787293393.json"}},{"package":{"name":"linux-buildinfo-4.15.0-263-lowlatency","ecosystem":"TuxCare:Ubuntu:16.04","purl":"pkg:deb/tuxcare/linux-buildinfo-4.15.0-263-lowlatency?distro=ubuntu-16.04"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.15.0-263.274~16.04.1+tuxcare.els1"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu16.04els/CLSA-2026-1787293393.json"}},{"package":{"name":"linux-cloud-tools-4.15.0-263-generic","ecosystem":"TuxCare:Ubuntu:16.04","purl":"pkg:deb/tuxcare/linux-cloud-tools-4.15.0-263-generic?distro=ubuntu-16.04"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.15.0-263.274~16.04.1+tuxcare.els1"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu16.04els/CLSA-2026-1787293393.json"}},{"package":{"name":"linux-cloud-tools-4.15.0-263-lowlatency","ecosystem":"TuxCare:Ubuntu:16.04","purl":"pkg:deb/tuxcare/linux-cloud-tools-4.15.0-263-lowlatency?distro=ubuntu-16.04"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.15.0-263.274~16.04.1+tuxcare.els1"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu16.04els/CLSA-2026-1787293393.json"}},{"package":{"name":"linux-headers-4.15.0-263","ecosystem":"TuxCare:Ubuntu:16.04","purl":"pkg:deb/tuxcare/linux-headers-4.15.0-263?distro=ubuntu-16.04"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.15.0-263.274~16.04.1+tuxcare.els1"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu16.04els/CLSA-2026-1787293393.json"}},{"package":{"name":"linux-headers-4.15.0-263-generic","ecosystem":"TuxCare:Ubuntu:16.04","purl":"pkg:deb/tuxcare/linux-headers-4.15.0-263-generic?distro=ubuntu-16.04"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.15.0-263.274~16.04.1+tuxcare.els1"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu16.04els/CLSA-2026-1787293393.json"}},{"package":{"name":"linux-headers-4.15.0-263-lowlatency","ecosystem":"TuxCare:Ubuntu:16.04","purl":"pkg:deb/tuxcare/linux-headers-4.15.0-263-lowlatency?distro=ubuntu-16.04"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.15.0-263.274~16.04.1+tuxcare.els1"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu16.04els/CLSA-2026-1787293393.json"}},{"package":{"name":"linux-hwe-cloud-tools-4.15.0-263","ecosystem":"TuxCare:Ubuntu:16.04","purl":"pkg:deb/tuxcare/linux-hwe-cloud-tools-4.15.0-263?distro=ubuntu-16.04"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.15.0-263.274~16.04.1+tuxcare.els1"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu16.04els/CLSA-2026-1787293393.json"}},{"package":{"name":"linux-hwe-tools-4.15.0-263","ecosystem":"TuxCare:Ubuntu:16.04","purl":"pkg:deb/tuxcare/linux-hwe-tools-4.15.0-263?distro=ubuntu-16.04"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.15.0-263.274~16.04.1+tuxcare.els1"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu16.04els/CLSA-2026-1787293393.json"}},{"package":{"name":"linux-image-unsigned-4.15.0-263-generic","ecosystem":"TuxCare:Ubuntu:16.04","purl":"pkg:deb/tuxcare/linux-image-unsigned-4.15.0-263-generic?distro=ubuntu-16.04"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.15.0-263.274~16.04.1+tuxcare.els1"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu16.04els/CLSA-2026-1787293393.json"}},{"package":{"name":"linux-image-unsigned-4.15.0-263-lowlatency","ecosystem":"TuxCare:Ubuntu:16.04","purl":"pkg:deb/tuxcare/linux-image-unsigned-4.15.0-263-lowlatency?distro=ubuntu-16.04"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.15.0-263.274~16.04.1+tuxcare.e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