{"schema_version":"1.7.3","id":"SUSE-SU-2023:4308-1","published":"2023-10-31T12:33:37Z","modified":"2026-02-04T03:29:48.437864Z","related":["CVE-2023-3390","CVE-2023-4004","CVE-2023-4147","CVE-2023-4623"],"upstream":["CVE-2023-3390","CVE-2023-4004","CVE-2023-4147","CVE-2023-4623"],"summary":"Security update for the Linux Kernel (Live Patch 1 for SLE 15 SP5)","details":"This update for the Linux Kernel 5.14.21-150500_55_7 fixes several issues.\n\nThe following security issues were fixed:\n\n- CVE-2023-4147: Fixed use-after-free in nf_tables_newrule (bsc#1215118).\n- CVE-2023-4623: Fixed a use-after-free issue in the HFSC network scheduler which could be exploited to achieve local privilege escalation (bsc#1215440).\n- CVE-2023-4004: Fixed improper element removal netfilter nft_set_pipapo (bsc#1214812).\n- CVE-2023-3390: Fixed an use-after-free vulnerability in the netfilter subsystem in net/netfilter/nf_tables_api.c that could allow a local attacker with user access to cause a privilege escalation issue (bsc#1212934).\n","affected":[{"package":{"name":"kernel-livepatch-SLE15-SP4_Update_13","ecosystem":"SUSE:Linux Enterprise Live Patching 15 SP4","purl":"pkg:rpm/suse/kernel-livepatch-SLE15-SP4_Update_13&distro=SUSE%20Linux%20Enterprise%20Live%20Patching%2015%20SP4"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5-150400.2.1"}]}],"ecosystem_specific":{"binaries":[{"kernel-livepatch-5_14_21-150400_24_66-default":"5-150400.2.1"}]},"database_specific":{"source":"https://ftp.suse.com/pub/projects/security/osv/SUSE-SU-2023:4308-1.json"}},{"package":{"name":"kernel-livepatch-SLE15-SP5_Update_1","ecosystem":"SUSE:Linux Enterprise Live Patching 15 SP5","purl":"pkg:rpm/suse/kernel-livepatch-SLE15-SP5_Update_1&distro=SUSE%20Linux%20Enterprise%20Live%20Patching%2015%20SP5"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4-150500.2.1"}]}],"ecosystem_specific":{"binaries":[{"kernel-livepatch-5_14_21-150500_55_7-default":"4-150500.2.1"}]},"database_specific":{"source":"https://ftp.suse.com/pub/projects/security/osv/SUSE-SU-2023:4308-1.json"}}],"references":[{"type":"ADVISORY","url":"https://www.suse.com/support/update/announcement/2023/suse-su-20234308-1/"},{"type":"REPORT","url":"https://bugzilla.suse.com/1212934"},{"type":"REPORT","url":"https://bugzilla.suse.com/1214812"},{"type":"REPORT","url":"https://bugzilla.suse.com/1215118"},{"type":"REPORT","url":"https://bugzilla.suse.com/1215440"},{"type":"WEB","url":"https://www.suse.com/security/cve/CVE-2023-3390"},{"type":"WEB","url":"https://www.suse.com/security/cve/CVE-2023-4004"},{"type":"WEB","url":"https://www.suse.com/security/cve/CVE-2023-4147"},{"type":"WEB","url":"https://www.suse.com/security/cve/CVE-2023-4623"}]}