{"schema_version":"1.7.3","id":"SUSE-SU-2022:4027-1","published":"2022-11-16T20:34:42Z","modified":"2026-02-04T03:59:13.252421Z","related":["CVE-2020-36557","CVE-2020-36558","CVE-2021-33655","CVE-2022-2588","CVE-2022-42703"],"upstream":["CVE-2020-36557","CVE-2020-36558","CVE-2021-33655","CVE-2022-2588","CVE-2022-42703"],"summary":"Security update for the Linux Kernel (Live Patch 31 for SLE 15)","details":"This update for the Linux Kernel 4.12.14-150000_150_95 fixes several issues.\n\nThe following security issues were fixed:\n\n- CVE-2020-36557: Fixed a race condition between the VT_DISALLOCATE ioctl and closing/opening of ttys that could have led to a use-after-free (bnc#1201429).\n- CVE-2020-36558: Fixed a race condition involving VT_RESIZEX which could lead to a NULL pointer dereference and general protection fault (bnc#1200910).\n- CVE-2021-33655: Fixed out of bounds write with ioctl FBIOPUT_VSCREENINFO (bnc#1201635).\n- CVE-2022-2588: Fixed use-after-free in cls_route (bsc#1202096).\n- CVE-2022-42703: Fixed use-after-free in mm/rmap.c related to leaf anon_vma double reuse (bnc#1204168).\n","affected":[{"package":{"name":"kernel-livepatch-SLE15_Update_31","ecosystem":"SUSE:Linux Enterprise Live Patching 15","purl":"pkg:rpm/suse/kernel-livepatch-SLE15_Update_31&distro=SUSE%20Linux%20Enterprise%20Live%20Patching%2015"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4-150000.2.1"}]}],"ecosystem_specific":{"binaries":[{"kernel-livepatch-4_12_14-150000_150_95-default":"4-150000.2.1"}]},"database_specific":{"source":"https://ftp.suse.com/pub/projects/security/osv/SUSE-SU-2022:4027-1.json"}}],"references":[{"type":"ADVISORY","url":"https://www.suse.com/support/update/announcement/2022/suse-su-20224027-1/"},{"type":"REPORT","url":"https://bugzilla.suse.com/1201742"},{"type":"REPORT","url":"https://bugzilla.suse.com/1201752"},{"type":"REPORT","url":"https://bugzilla.suse.com/1202087"},{"type":"REPORT","url":"https://bugzilla.suse.com/1203613"},{"type":"REPORT","url":"https://bugzilla.suse.com/1204170"},{"type":"WEB","url":"https://www.suse.com/security/cve/CVE-2020-36557"},{"type":"WEB","url":"https://www.suse.com/security/cve/CVE-2020-36558"},{"type":"WEB","url":"https://www.suse.com/security/cve/CVE-2021-33655"},{"type":"WEB","url":"https://www.suse.com/security/cve/CVE-2022-2588"},{"type":"WEB","url":"https://www.suse.com/security/cve/CVE-2022-42703"}]}