Security update for the Linux Kernel (Live Patch 31 for SLE 12 SP1) (Important)
Description:
This update for the Linux Kernel 3.12.74-60_64_104 fixes several issues.
The following security issues were fixed:
- 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) - 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)
This update contains a regression fix for CVE-2019-11477 and CVE-2019-11478 (bsc#1140747).
SUSE Linux Enterprise Desktop 11 SP2 SUSE Linux Enterprise Desktop 11 SP3 SUSE Linux Enterprise Desktop 11 SP4 SUSE Linux Enterprise Desktop 12 SUSE Linux Enterprise Desktop 12 SP1 SUSE Linux Enterprise Desktop 12 SP2 SUSE Linux Enterprise Desktop 12 SP3 SUSE Linux Enterprise Desktop 12 SP4 SUSE Linux Enterprise Module for Basesystem 15 SUSE Linux Enterprise Module for Basesystem 15 SP1 SUSE Linux Enterprise Module for Desktop Applications 15 SUSE Linux Enterprise Module for Desktop Applications 15 SP1 SUSE Linux Enterprise Module for Legacy Software 15 SUSE Linux Enterprise Module for Server Applications 15 SUSE Linux Enterprise Module for Server Applications 15 SP1 SUSE Linux Enterprise Server 11 SP3 SUSE Linux Enterprise Server 11 SP3-LTSS SUSE Linux Enterprise Server 11 SP3-TERADATA SUSE Linux Enterprise Server 12 SUSE Linux Enterprise Server 12 SP1 SUSE Linux Enterprise Server 12 SP1-LTSS SUSE Linux Enterprise Server 12 SP2 SUSE Linux Enterprise Server 12 SP2-BCL SUSE Linux Enterprise Server 12 SP2-ESPOS SUSE Linux Enterprise Server 12 SP2-LTSS SUSE Linux Enterprise Server 12 SP3 SUSE Linux Enterprise Server 12 SP3-BCL SUSE Linux Enterprise Server 12 SP3-ESPOS SUSE Linux Enterprise Server 12 SP3-LTSS SUSE Linux Enterprise Server 12 SP3-TERADATA SUSE Linux Enterprise Server 12 SP4 SUSE Linux Enterprise Server 12 SP5 SUSE Linux Enterprise Server 12-LTSS SUSE Linux Enterprise Server for SAP Applications 12 SUSE Linux Enterprise Server for SAP Applications 12 SP1 SUSE Linux Enterprise Server for SAP Applications 12 SP1-LTSS SUSE Linux Enterprise Server for SAP Applications 12 SP2 SUSE Linux Enterprise Server for SAP Applications 12 SP2-BCL SUSE Linux Enterprise Server for SAP Applications 12 SP2-ESPOS SUSE Linux Enterprise Server for SAP Applications 12 SP2-LTSS SUSE Linux Enterprise Server for SAP Applications 12 SP3 SUSE Linux Enterprise Server for SAP Applications 12 SP3-BCL SUSE Linux Enterprise Server for SAP Applications 12 SP3-ESPOS SUSE Linux Enterprise Server for SAP Applications 12 SP3-LTSS SUSE Linux Enterprise Server for SAP Applications 12 SP3-TERADATA SUSE Linux Enterprise Server for SAP Applications 12 SP4 SUSE Linux Enterprise Server for SAP Applications 12 SP5 SUSE Linux Enterprise Server for SAP Applications 12-LTSS SUSE Linux Enterprise Workstation Extension 12 SUSE Linux Enterprise Workstation Extension 12 SP1 SUSE Linux Enterprise Workstation Extension 12 SP2 SUSE Linux Enterprise Workstation Extension 12 SP3 SUSE Linux Enterprise Workstation Extension 12 SP4 SUSE Linux Enterprise Workstation Extension 15 SUSE OpenStack Cloud 6