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SP1-LTSS","name":"kgraft-patch-SLE12-SP1_Update_35","purl":"pkg:rpm/suse/kgraft-patch-SLE12-SP1_Update_35&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP1-LTSS"},"ranges":[{"events":[{"introduced":"0"},{"fixed":"1-2.3.1"}],"type":"ECOSYSTEM"}]}],"aliases":[],"details":"\n\nThe SUSE Linux Enterprise 12 SP1 kernel was updated to receive various security and bugfixes.\n\n\nThe following security bugs were fixed:\n\n- CVE-2018-5390 aka 'SegmentSmack': A remote attacker even with relatively low bandwidth could have caused lots of CPU usage\n  by triggering the worst case scenario during IP and/or TCP fragment reassembly (bsc#1102340)\n- CVE-2018-7191: In the tun subsystem in the Linux kernel, dev_get_valid_name was not called before register_netdevice. This allowed local users to cause a denial of service (NULL pointer dereference and panic) via an ioctl(TUNSETIFF) call with a dev name containing a / character. (bnc#1135603)\n- CVE-2018-20836: A race condition in smp_task_timedout() and smp_task_done() in drivers/scsi/libsas/sas_expander.c, could have lead to a use-after-free. (bnc#1134395)\n- CVE-2019-12614: An unchecked kstrdup might have allowed an attacker to cause denial of service (a NULL pointer dereference and system crash). (bnc#1137194)\n- CVE-2019-12818: The nfc_llcp_build_tlv function in net/nfc/llcp_commands.c may have returned NULL. If the caller did not check for this, it would trigger a NULL pointer dereference. This would cause denial of service. (bnc#1138293)\n- CVE-2019-12456: An issue in the MPT3COMMAND case in _ctl_ioctl_main() allowed local users to cause a denial of service or possibly have unspecified other impact by changing the value of ioc_number between two kernel reads of that value, aka a 'double fetch' vulnerability. (bsc#1136922)\n- CVE-2019-11487: An attacker could have triggered use-after-free via page reference count overflow on slow filesystems with at least of 140 GiB of RAM available. (bnc#1133190)\n\nThe following non-security bugs were fixed:\n\n- fuse: Don't access pipe->buffers without pipe_lock() (Prerequisity for CVE-2019-11487, bsc#1133190).\n- fuse: call pipe_buf_release() under pipe lock (Prerequisity for CVE-2019-11487, bsc#1133190).\n- mm: /proc/pid/maps: Check permissions when opening proc pid maps (bsc#1130159).\n- pipe: add pipe_buf_get() helper (Prerequisity for CVE-2019-11487, bsc#1133190).\n- tcp: refine memory limit test in tcp_fragment() after CVE-2019-11478 fix (bsc#1139751).\n- x86/bugs: do not default to IBRS even on SKL (bsc#1112824).\n\n","id":"SUSE-SU-2019:1870-1","modified":"2019-07-17T12:57:10Z","published":"2019-07-17T12:57:10Z","references":[{"type":"ADVISORY","url":"https://www.suse.com/support/update/announcement/2019/suse-su-20191870-1/"},{"type":"REPORT","url":"https://bugzilla.suse.com/1102340"},{"type":"REPORT","url":"https://bugzilla.suse.com/1112824"},{"type":"REPORT","url":"https://bugzilla.suse.com/1130159"},{"type":"REPORT","url":"https://bugzilla.suse.com/1133190"},{"type":"REPORT","url":"https://bugzilla.suse.com/1134395"},{"type":"REPORT","url":"https://bugzilla.suse.com/1135603"},{"type":"REPORT","url":"https://bugzilla.suse.com/1136922"},{"type":"REPORT","url":"https://bugzilla.suse.com/1137194"},{"type":"REPORT","url":"https://bugzilla.suse.com/1138293"},{"type":"REPORT","url":"https://bugzilla.suse.com/1139751"},{"type":"WEB","url":"https://www.suse.com/security/cve/CVE-2018-20836"},{"type":"WEB","url":"https://www.suse.com/security/cve/CVE-2018-5390"},{"type":"WEB","url":"https://www.suse.com/security/cve/CVE-2018-7191"},{"type":"WEB","url":"https://www.suse.com/security/cve/CVE-2019-11487"},{"type":"WEB","url":"https://www.suse.com/security/cve/CVE-2019-12456"},{"type":"WEB","url":"https://www.suse.com/security/cve/CVE-2019-12614"},{"type":"WEB","url":"https://www.suse.com/security/cve/CVE-2019-12818"}],"related":["CVE-2018-20836","CVE-2018-5390","CVE-2018-7191","CVE-2019-11487","CVE-2019-12456","CVE-2019-12614","CVE-2019-12818"],"summary":"Security update for the Linux Kernel","upstream":["CVE-2018-20836","CVE-2018-5390","CVE-2018-7191","CVE-2019-11487","CVE-2019-12456","CVE-2019-12614","CVE-2019-12818"]}