{"id":"CLSA-2026-1779202006","summary":"Fix CVE(s): CVE-2026-43284, CVE-2026-46300, CVE-2026-46333","details":"   [ Ubuntu: 4.15.0-256.267 ]\n   * CVE-2026-46333\n     - ptrace: require CAP_SYS_PTRACE when task has no mm {CVE-2026-46333}\n   * CVE-2026-46300\n     - net: skbuff: propagate shared-frag marker through copy/coalesce/gro/shift\n       paths {CVE-2026-46300}\n   * CVE-2026-43284\n     - xfrm: esp: avoid in-place decrypt on shared skb frags {CVE-2026-43284}\n   * Packaging\n     - Adopt +tuxcare.elsN versioning scheme\n   * Bump ABI 4.15.0-257","modified":"2026-06-04T09:47:32.396207905Z","published":"2026-05-19T16:10:35Z","upstream":["CVE-2026-43284","CVE-2026-46300","CVE-2026-46333"],"references":[{"type":"ADVISORY","url":"https://errata.tuxcare.com/els_os/ubuntu18.04els/CLSA-2026-1779202006.html"}],"affected":[{"package":{"name":"linux-buildinfo-4.15.0-257-generic","ecosystem":"TuxCare:Ubuntu:18.04","purl":"pkg:deb/tuxcare/linux-buildinfo-4.15.0-257-generic?distro=ubuntu-18.04"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.15.0-257.268+tuxcare.els1"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu18.04els/CLSA-2026-1779202006.json"}},{"package":{"name":"linux-buildinfo-4.15.0-257-lowlatency","ecosystem":"TuxCare:Ubuntu:18.04","purl":"pkg:deb/tuxcare/linux-buildinfo-4.15.0-257-lowlatency?distro=ubuntu-18.04"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.15.0-257.268+tuxcare.els1"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu18.04els/CLSA-2026-1779202006.json"}},{"package":{"name":"linux-cloud-tools-4.15.0-257","ecosystem":"TuxCare:Ubuntu:18.04","purl":"pkg:deb/tuxcare/linux-cloud-tools-4.15.0-257?distro=ubuntu-18.04"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.15.0-257.268+tuxcare.els1"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu18.04els/CLSA-2026-1779202006.json"}},{"package":{"name":"linux-cloud-tools-4.15.0-257-generic","ecosystem":"TuxCare:Ubuntu:18.04","purl":"pkg:deb/tuxcare/linux-cloud-tools-4.15.0-257-generic?distro=ubuntu-18.04"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.15.0-257.268+tuxcare.els1"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu18.04els/CLSA-2026-1779202006.json"}},{"package":{"name":"linux-cloud-tools-4.15.0-257-lowlatency","ecosystem":"TuxCare:Ubuntu:18.04","purl":"pkg:deb/tuxcare/linux-cloud-tools-4.15.0-257-lowlatency?distro=ubuntu-18.04"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.15.0-257.268+tuxcare.els1"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu18.04els/CLSA-2026-1779202006.json"}},{"package":{"name":"linux-cloud-tools-common","ecosystem":"TuxCare:Ubuntu:18.04","purl":"pkg:deb/tuxcare/linux-cloud-tools-common?distro=ubuntu-18.04"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.15.0-257.268+tuxcare.els1"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu18.04els/CLSA-2026-1779202006.json"}},{"package":{"name":"linux-doc","ecosystem":"TuxCare:Ubuntu:18.04","purl":"pkg:deb/tuxcare/linux-doc?distro=ubuntu-18.04"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.15.0-257.268+tuxcare.els1"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu18.04els/CLSA-2026-1779202006.json"}},{"package":{"name":"linux-headers-4.15.0-257","ecosystem":"TuxCare:Ubuntu:18.04","purl":"pkg:deb/tuxcare/linux-headers-4.15.0-257?distro=ubuntu-18.04"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.15.0-257.268+tuxcare.els1"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu18.04els/CLSA-2026-1779202006.json"}},{"package":{"name":"linux-headers-4.15.0-257-generic","ecosystem":"TuxCare:Ubuntu:18.04","purl":"pkg:deb/tuxcare/linux-headers-4.15.0-257-generic?distro=ubuntu-18.04"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.15.0-257.268+tuxcare.els1"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu18.04els/CLSA-2026-1779202006.json"}},{"package":{"name":"linux-headers-4.15.0-257-lowlatency","ecosystem":"TuxCare:Ubuntu:18.04","purl":"pkg:deb/tuxcare/linux-headers-4.15.0-257-lowlatency?distro=ubuntu-18.04"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.15.0-257.268+tuxcare.els1"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu18.04els/CLSA-2026-1779202006.json"}},{"package":{"name":"linux-image-unsigned-4.15.0-257-generic","ecosystem":"TuxCare:Ubuntu:18.04","purl":"pkg:deb/tuxcare/linux-image-unsigned-4.15.0-257-generic?distro=ubuntu-18.04"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.15.0-257.268+tuxcare.els1"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu18.04els/CLSA-2026-1779202006.json"}},{"package":{"name":"linux-image-unsigned-4.15.0-257-lowlatency","ecosystem":"TuxCare:Ubuntu:18.04","purl":"pkg:deb/tuxcare/linux-image-unsigned-4.15.0-257-lowlatency?distro=ubuntu-18.04"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}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