{"schema_version":"1.7.3","id":"SUSE-SU-2019:1889-1","published":"2019-07-18T12:06:21Z","modified":"2026-02-04T04:15:35.872850Z","related":["CVE-2019-11477","CVE-2019-11478"],"upstream":["CVE-2019-11477","CVE-2019-11478"],"summary":"Security update for the Linux Kernel (Live Patch 0 for SLE 15 SP1)","details":"This update for the Linux Kernel 4.12.14-195 fixes several issues.\n\nThe following security issues were fixed:\n\n- CVE-2019-11477: Jonathan Looney discovered that the TCP_SKB_CB(skb)->tcp_gso_segs value was subject to an integer overflow when handling TCP Selective Acknowledgments (SACKs). A remote attacker could use this to cause a denial of service. (bsc#1137586)\n- CVE-2019-11478: Jonathan Looney discovered that the TCP retransmission queue implementation in tcp_fragment could be fragmented when handling certain TCP Selective Acknowledgment (SACK) sequences. A remote attacker could use this to cause a denial of service. (bsc#1137586)\n\nThis update contains a regression fix for CVE-2019-11477 and CVE-2019-11478 (bsc#1140747).\n","affected":[{"package":{"name":"kernel-livepatch-SLE15-SP1_Update_0","ecosystem":"SUSE:Linux Enterprise Live Patching 15 SP1","purl":"pkg:rpm/suse/kernel-livepatch-SLE15-SP1_Update_0&distro=SUSE%20Linux%20Enterprise%20Live%20Patching%2015%20SP1"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4-10.1"}]}],"ecosystem_specific":{"binaries":[{"kernel-livepatch-4_12_14-195-default":"4-10.1"}]},"database_specific":{"source":"https://ftp.suse.com/pub/projects/security/osv/SUSE-SU-2019:1889-1.json"}}],"references":[{"type":"ADVISORY","url":"https://www.suse.com/support/update/announcement/2019/suse-su-20191889-1/"},{"type":"REPORT","url":"https://bugzilla.suse.com/1137597"},{"type":"REPORT","url":"https://bugzilla.suse.com/1140747"},{"type":"WEB","url":"https://www.suse.com/security/cve/CVE-2019-11477"},{"type":"WEB","url":"https://www.suse.com/security/cve/CVE-2019-11478"}]}