{"id":"CLSA-2026-1778756179","summary":"kernel: Fix of 2 CVEs","details":"- net: skbuff: propagate shared-frag marker through pskb_copy()\n- Bluetooth: btusb: revert use of devm_kzalloc in btusb {CVE-2025-71082}\n- nfsd: fix use-after-free due to delegation race {CVE-2021-47506}","modified":"2026-06-01T00:33:23.767106710Z","published":"2026-05-14T14:57:13Z","upstream":["CVE-2025-71082","CVE-2021-47506"],"references":[{"type":"ADVISORY","url":"https://errata.tuxcare.com/els_os/centos8.5els/CLSA-2026-1778756179.html"}],"affected":[{"package":{"name":"bpftool","ecosystem":"TuxCare:CentOS:8.5","purl":"pkg:rpm/tuxcare/bpftool?distro=centos-8.5"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.18.0-348.7.1.el8_5.tuxcare.els38"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/centos8.5els/CLSA-2026-1778756179.json"}},{"package":{"name":"kernel","ecosystem":"TuxCare:CentOS:8.5","purl":"pkg:rpm/tuxcare/kernel?distro=centos-8.5"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.18.0-348.7.1.el8_5.tuxcare.els38"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/centos8.5els/CLSA-2026-1778756179.json"}},{"package":{"name":"kernel-core","ecosystem":"TuxCare:CentOS:8.5","purl":"pkg:rpm/tuxcare/kernel-core?distro=centos-8.5"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.18.0-348.7.1.el8_5.tuxcare.els38"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/centos8.5els/CLSA-2026-1778756179.json"}},{"package":{"name":"kernel-cross-headers","ecosystem":"TuxCare:CentOS:8.5","purl":"pkg:rpm/tuxcare/kernel-cross-headers?distro=centos-8.5"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.18.0-348.7.1.el8_5.tuxcare.els38"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/centos8.5els/CLSA-2026-1778756179.json"}},{"package":{"name":"kernel-debug","ecosystem":"TuxCare:CentOS:8.5","purl":"pkg:rpm/tuxcare/kernel-debug?distro=centos-8.5"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.18.0-348.7.1.el8_5.tuxcare.els38"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/centos8.5els/CLSA-2026-1778756179.json"}},{"package":{"name":"kernel-debug-core","ecosystem":"TuxCare:CentOS:8.5","purl":"pkg:rpm/tuxcare/kernel-debug-core?distro=centos-8.5"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.18.0-348.7.1.el8_5.tuxcare.els38"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/centos8.5els/CLSA-2026-1778756179.json"}},{"package":{"name":"kernel-debug-devel","ecosystem":"TuxCare:CentOS:8.5","purl":"pkg:rpm/tuxcare/kernel-debug-devel?distro=centos-8.5"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.18.0-348.7.1.el8_5.tuxcare.els38"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/centos8.5els/CLSA-2026-1778756179.json"}},{"package":{"name":"kernel-debug-modules","ecosystem":"TuxCare:CentOS:8.5","purl":"pkg:rpm/tuxcare/kernel-debug-modules?distro=centos-8.5"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.18.0-348.7.1.el8_5.tuxcare.els38"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/centos8.5els/CLSA-2026-1778756179.json"}},{"package":{"name":"kernel-debug-modules-extra","ecosystem":"TuxCare:CentOS:8.5","purl":"pkg:rpm/tuxcare/kernel-debug-modules-extra?distro=centos-8.5"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.18.0-348.7.1.el8_5.tuxcare.els38"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/centos8.5els/CLSA-2026-1778756179.json"}},{"package":{"name":"kernel-debug-modules-internal","ecosystem":"TuxCare:CentOS:8.5","purl":"pkg:rpm/tuxcare/kernel-debug-modules-internal?distro=centos-8.5"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.18.0-348.7.1.el8_5.tuxcare.els38"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/centos8.5els/CLSA-2026-1778756179.json"}},{"package":{"name":"kernel-devel","ecosystem":"TuxCare:CentOS:8.5","purl":"pkg:rpm/tuxcare/kernel-devel?distro=centos-8.5"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.18.0-348.7.1.el8_5.tuxcare.els38"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/centos8.5els/CLSA-2026-1778756179.json"}},{"package":{"name":"kernel-headers","ecosystem":"TuxCare:CentOS:8.5","purl":"pkg:rpm/tuxcare/kernel-headers?distro=centos-8.5"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.18.0-348.7.1.el8_5.tuxcare.els38"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/centos8.5els/CLSA-2026-1778756179.json"}},{"package":{"name":"kernel-ipaclones-internal","ecosystem":"TuxCare:CentOS:8.5","purl":"pkg:rpm/tuxcare/kernel-ipaclones-internal?distro=centos-8.5"},"ranges":[{"type":"ECOSYSTEM","events":[{"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