{"schema_version":"1.7.3","id":"SUSE-SU-2021:2020-1","published":"2021-06-18T09:42:58Z","modified":"2026-02-04T02:36:57.105258Z","related":["CVE-2021-23134","CVE-2021-32399","CVE-2021-33034","CVE-2021-33200"],"upstream":["CVE-2021-23134","CVE-2021-32399","CVE-2021-33034","CVE-2021-33200"],"summary":"Security update for the Linux Kernel (Live Patch 24 for SLE 15 SP1)","details":"This update for the Linux Kernel 4.12.14-197_89 fixes several issues.\n\nThe following issues were fixed:\n\n- CVE-2021-33200: Enforcing incorrect limits for pointer arithmetic operations by the BPF verifier could be abused to perform out-of-bounds reads and writes in kernel memory (bsc#1186484).\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-2021-23134: A Use After Free vulnerability in nfc sockets allowed local attackers to elevate their privileges (bnc#1186060).\n- CVE-2021-32399: Fixed a race condition when removing the HCI controller (bnc#1184611).\n- Fixed a data loss/data corruption that occurs if there is a write error on an md/raid array (bsc#1185680).\n","affected":[{"package":{"name":"kgraft-patch-SLE12-SP4_Update_20","ecosystem":"SUSE:Linux Enterprise Live Patching 12 SP4","purl":"pkg:rpm/suse/kgraft-patch-SLE12-SP4_Update_20&distro=SUSE%20Linux%20Enterprise%20Live%20Patching%2012%20SP4"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2-2.1"}]}],"ecosystem_specific":{"binaries":[{"kgraft-patch-4_12_14-95_74-default":"2-2.1"}]},"database_specific":{"source":"https://ftp.suse.com/pub/projects/security/osv/SUSE-SU-2021:2020-1.json"}},{"package":{"name":"kgraft-patch-SLE12-SP5_Update_18","ecosystem":"SUSE:Linux Enterprise Live Patching 12 SP5","purl":"pkg:rpm/suse/kgraft-patch-SLE12-SP5_Update_18&distro=SUSE%20Linux%20Enterprise%20Live%20Patching%2012%20SP5"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2-2.1"}]}],"ecosystem_specific":{"binaries":[{"kgraft-patch-4_12_14-122_71-default":"2-2.1"}]},"database_specific":{"source":"https://ftp.suse.com/pub/projects/security/osv/SUSE-SU-2021:2020-1.json"}},{"package":{"name":"kernel-livepatch-SLE15-SP1_Update_24","ecosystem":"SUSE:Linux Enterprise Live Patching 15 SP1","purl":"pkg:rpm/suse/kernel-livepatch-SLE15-SP1_Update_24&distro=SUSE%20Linux%20Enterprise%20Live%20Patching%2015%20SP1"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2-2.1"}]}],"ecosystem_specific":{"binaries":[{"kernel-livepatch-4_12_14-197_89-default":"2-2.1"}]},"database_specific":{"source":"https://ftp.suse.com/pub/projects/security/osv/SUSE-SU-2021:2020-1.json"}}],"references":[{"type":"ADVISORY","url":"https://www.suse.com/support/update/announcement/2021/suse-su-20212020-1/"},{"type":"REPORT","url":"https://bugzilla.suse.com/1185847"},{"type":"REPORT","url":"https://bugzilla.suse.com/1185899"},{"type":"REPORT","url":"https://bugzilla.suse.com/1186061"},{"type":"REPORT","url":"https://bugzilla.suse.com/1186285"},{"type":"REPORT","url":"https://bugzilla.suse.com/1186498"},{"type":"WEB","url":"https://www.suse.com/security/cve/CVE-2021-23134"},{"type":"WEB","url":"https://www.suse.com/security/cve/CVE-2021-32399"},{"type":"WEB","url":"https://www.suse.com/security/cve/CVE-2021-33034"},{"type":"WEB","url":"https://www.suse.com/security/cve/CVE-2021-33200"}]}