{"schema_version":"1.7.3","id":"SUSE-SU-2023:2743-1","published":"2023-06-30T09:44:50Z","modified":"2026-02-04T03:42:55.596543Z","related":["CVE-2023-23455","CVE-2023-28466","CVE-2023-31436"],"upstream":["CVE-2023-23455","CVE-2023-28466","CVE-2023-31436"],"summary":"Security update for the Linux Kernel (Live Patch 6 for SLE 15 SP4)","details":"This update for the Linux Kernel 5.14.21-150400_24_38 fixes several issues.\n\nThe following security issues were fixed:\n\n- CVE-2023-23455: Fixed a denial of service inside atm_tc_enqueue in net/sched/sch_atm.c because of type confusion (non-negative numbers can sometimes indicate a TC_ACT_SHOT condition rather than valid classification results) (bsc#1207189).\n- CVE-2023-31436: Fixed an out-of-bounds write in qfq_change_class() because lmax can exceed QFQ_MIN_LMAX (bsc#1210989).\n- CVE-2023-28466: Fixed race condition that could lead to use-after-free or NULL pointer dereference in do_tls_getsockopt in net/tls/tls_main.c (bsc#1210452).\n","affected":[{"package":{"name":"kernel-livepatch-SLE15-SP4_Update_6","ecosystem":"SUSE:Linux Enterprise Live Patching 15 SP4","purl":"pkg:rpm/suse/kernel-livepatch-SLE15-SP4_Update_6&distro=SUSE%20Linux%20Enterprise%20Live%20Patching%2015%20SP4"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"7-150400.2.3"}]}],"ecosystem_specific":{"binaries":[{"kernel-livepatch-5_14_21-150400_24_38-default":"7-150400.2.3"}]},"database_specific":{"source":"https://ftp.suse.com/pub/projects/security/osv/SUSE-SU-2023:2743-1.json"}}],"references":[{"type":"ADVISORY","url":"https://www.suse.com/support/update/announcement/2023/suse-su-20232743-1/"},{"type":"REPORT","url":"https://bugzilla.suse.com/1207189"},{"type":"REPORT","url":"https://bugzilla.suse.com/1210452"},{"type":"REPORT","url":"https://bugzilla.suse.com/1210989"},{"type":"WEB","url":"https://www.suse.com/security/cve/CVE-2023-23455"},{"type":"WEB","url":"https://www.suse.com/security/cve/CVE-2023-28466"},{"type":"WEB","url":"https://www.suse.com/security/cve/CVE-2023-31436"}]}