{"schema_version":"1.7.3","id":"SUSE-SU-2021:2026-1","published":"2021-06-18T09:40:42Z","modified":"2026-02-04T03:23:10.778988Z","related":["CVE-2020-0429","CVE-2021-28688","CVE-2021-33034"],"upstream":["CVE-2020-0429","CVE-2021-28688","CVE-2021-33034"],"summary":"Security update for the Linux Kernel (Live Patch 39 for SLE 12 SP3)","details":"This update for the Linux Kernel 4.4.180-94_144 fixes several issues.\n\nThe following issues were fixed:\n\n- CVE-2021-33034: Fixed a use-after-free when destroying an hci_chan. This could lead to writing an arbitrary values (bsc#1186111).\n- CVE-2021-28688: Fixed an issue introduced by XSA-365, leaving around zombie domains after xen guest has died (bsc#1183646).\n- CVE-2020-0429: In l2tp_session_delete and related functions of l2tp_core.c, there is possible memory corruption due to a use after free. This could lead to local escalation of privilege with system execution privileges needed. (bsc#1176724).\n- Fixed a regression with the last livepatch which caused a kernel warning during sysfs read (bsc#1186235).\n","affected":[{"package":{"name":"kgraft-patch-SLE12-SP3_Update_39","ecosystem":"SUSE:Linux Enterprise Server for SAP Applications 12 SP3","purl":"pkg:rpm/suse/kgraft-patch-SLE12-SP3_Update_39&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP3"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2-2.1"}]}],"ecosystem_specific":{"binaries":[{"kgraft-patch-4_4_180-94_144-default":"2-2.1"}]},"database_specific":{"source":"https://ftp.suse.com/pub/projects/security/osv/SUSE-SU-2021:2026-1.json"}},{"package":{"name":"kgraft-patch-SLE12-SP3_Update_39","ecosystem":"SUSE:Linux Enterprise Server 12 SP3-LTSS","purl":"pkg:rpm/suse/kgraft-patch-SLE12-SP3_Update_39&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP3-LTSS"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2-2.1"}]}],"ecosystem_specific":{"binaries":[{"kgraft-patch-4_4_180-94_144-default":"2-2.1"}]},"database_specific":{"source":"https://ftp.suse.com/pub/projects/security/osv/SUSE-SU-2021:2026-1.json"}}],"references":[{"type":"ADVISORY","url":"https://www.suse.com/support/update/announcement/2021/suse-su-20212026-1/"},{"type":"REPORT","url":"https://bugzilla.suse.com/1176931"},{"type":"REPORT","url":"https://bugzilla.suse.com/1182294"},{"type":"REPORT","url":"https://bugzilla.suse.com/1186235"},{"type":"REPORT","url":"https://bugzilla.suse.com/1186285"},{"type":"WEB","url":"https://www.suse.com/security/cve/CVE-2020-0429"},{"type":"WEB","url":"https://www.suse.com/security/cve/CVE-2021-28688"},{"type":"WEB","url":"https://www.suse.com/security/cve/CVE-2021-33034"}]}