{"schema_version":"1.7.3","id":"SUSE-SU-2023:4239-1","published":"2023-10-30T08:48:19Z","modified":"2026-02-04T02:20:28.542317Z","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 34 for SLE 15 SP3)","details":"This update for the Linux Kernel 5.3.18-150300_59_127 fixes several issues.\n\nThe following security issues were fixed:\n\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-2023-4147: Fixed use-after-free in nf_tables_newrule (bsc#1215118).\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-SP3_Update_34","ecosystem":"SUSE:Linux Enterprise Live Patching 15 SP3","purl":"pkg:rpm/suse/kernel-livepatch-SLE15-SP3_Update_34&distro=SUSE%20Linux%20Enterprise%20Live%20Patching%2015%20SP3"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4-150300.2.2"}]}],"ecosystem_specific":{"binaries":[{"kernel-livepatch-5_3_18-150300_59_127-default":"4-150300.2.2"}]},"database_specific":{"source":"https://ftp.suse.com/pub/projects/security/osv/SUSE-SU-2023:4239-1.json"}}],"references":[{"type":"ADVISORY","url":"https://www.suse.com/support/update/announcement/2023/suse-su-20234239-1/"},{"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"}]}