This update for xen to version 4.11.4 fixes the following issues:
CVE-2020-0543: Fixed a side channel attack against special registers which could have resulted in leaking of read values to cores other than the one which called it.
This attack is known as Special Register Buffer Data Sampling (SRBDS) or 'CrossTalk' (bsc#1172205).
Affected Packages
xen
SUSE Linux Enterprise Server 12 SP4SUSE Linux Enterprise Server for SAP Applications 12 SP4SUSE Linux Enterprise Software Development Kit 12 SP4
Fixed in:
4.11.4_02-2.26.1
xen-doc-html
SUSE Linux Enterprise Server 12 SP4SUSE Linux Enterprise Server for SAP Applications 12 SP4
Fixed in:
4.11.4_02-2.26.1
xen-libs
SUSE Linux Enterprise Server 12 SP4SUSE Linux Enterprise Server for SAP Applications 12 SP4
Fixed in:
4.11.4_02-2.26.1
xen-libs-32bit
SUSE Linux Enterprise Server 12 SP4SUSE Linux Enterprise Server for SAP Applications 12 SP4
Fixed in:
4.11.4_02-2.26.1
xen-tools
SUSE Linux Enterprise Server 12 SP4SUSE Linux Enterprise Server for SAP Applications 12 SP4
Fixed in:
4.11.4_02-2.26.1
xen-tools-domU
SUSE Linux Enterprise Server 12 SP4SUSE Linux Enterprise Server for SAP Applications 12 SP4
Fixed in:
4.11.4_02-2.26.1
xen-devel
SUSE Linux Enterprise Software Development Kit 12 SP4