{"id":"SUSE-SU-2023:0852-1","summary":"Security update for the Linux Kernel","details":"\nThe SUSE Linux Enterprise 12 SP4 kernel was updated to receive various security and bugfixes.\n\nThe following security bugs were fixed:\n\n- CVE-2022-4129: Fixed a denial of service with the Layer 2 Tunneling Protocol (L2TP). A missing lock when clearing sk_user_data can lead to a race condition and NULL pointer dereference. (bsc#1205711)\n- CVE-2021-4203: Fixed use-after-free read flaw that was found in sock_getsockopt() in net/core/sock.c due to SO_PEERCRED and SO_PEERGROUPS race with listen() (bsc#1194535).\n- CVE-2023-23559: Fixed integer overflow in rndis_wlan that leads to a buffer overflow (bsc#1207051).\n- CVE-2023-26545: Fixed double free in net/mpls/af_mpls.c upon an allocation failure (bsc#1208700).\n- CVE-2022-38096: Fixed NULL-ptr deref in vmw_cmd_dx_define_query() (bsc#1203331).\n- CVE-2022-36280: Fixed out-of-bounds memory access vulnerability found in vmwgfx driver (bsc#1203332).\n- CVE-2023-0045: Fixed missing Flush IBP in ib_prctl_set (bsc#1207773).\n- CVE-2023-0590: Fixed race condition in qdisc_graft() (bsc#1207795).\n- CVE-2022-2991: Fixed an heap-based overflow in the lightnvm implemenation (bsc#1201420).\n\nThe following non-security bugs were fixed:\n\n- kabi/severities: add l2tp local symbols\n","modified":"2026-03-11T07:22:37.842011Z","published":"2023-03-21T12:36:10Z","related":["CVE-2021-4203","CVE-2022-2991","CVE-2022-36280","CVE-2022-38096","CVE-2022-4129","CVE-2023-0045","CVE-2023-0590","CVE-2023-23559","CVE-2023-26545"],"upstream":["CVE-2021-4203","CVE-2022-2991","CVE-2022-36280","CVE-2022-38096","CVE-2022-4129","CVE-2023-0045","CVE-2023-0590","CVE-2023-23559","CVE-2023-26545"],"references":[{"type":"ADVISORY","url":"https://www.suse.com/support/update/announcement/2023/suse-su-20230852-1/"},{"type":"REPORT","url":"https://bugzilla.suse.com/1191881"},{"type":"REPORT","url":"https://bugzilla.suse.com/1194535"},{"type":"REPORT","url":"https://bugzilla.suse.com/1201420"},{"type":"REPORT","url":"https://bugzilla.suse.com/1203331"},{"type":"REPORT","url":"https://bugzilla.suse.com/1203332"},{"type":"REPORT","url":"https://bugzilla.suse.com/1205711"},{"type":"REPORT","url":"https://bugzilla.suse.com/1207051"},{"type":"REPORT","url":"https://bugzilla.suse.com/1207773"},{"type":"REPORT","url":"https://bugzilla.suse.com/1207795"},{"type":"REPORT","url":"https://bugzilla.suse.com/1208700"},{"type":"REPORT","url":"https://bugzilla.suse.com/1209188"},{"type":"WEB","url":"https://www.suse.com/security/cve/CVE-2021-4203"},{"type":"WEB","url":"https://www.suse.com/security/cve/CVE-2022-2991"},{"type":"WEB","url":"https://www.suse.com/security/cve/CVE-2022-36280"},{"type":"WEB","url":"https://www.suse.com/security/cve/CVE-2022-38096"},{"type":"WEB","url":"https://www.suse.com/security/cve/CVE-2022-4129"},{"type":"WEB","url":"https://www.suse.com/security/cve/CVE-2023-0045"},{"type":"WEB","url":"https://www.suse.com/security/cve/CVE-2023-0590"},{"type":"WEB","url":"https://www.suse.com/security/cve/CVE-2023-23559"},{"type":"WEB","url":"https://www.suse.com/security/cve/CVE-2023-26545"}],"affected":[{"package":{"name":"kernel-default","ecosystem":"SUSE:OpenStack 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