The remote SUSE host is missing one or more security updates.
This update for xen fixes the following issues: This security issue was fixed : - CVE-2018-3646: Systems with microprocessors utilizing speculative execution and address translations may have allowed unauthorized disclosure of information residing in the L1 data cache to an attacker with local user access with guest OS privilege via a terminal page fault and a side-channel analysis (bsc#1091107, bsc#1027519). The update package also includes non-security fixes. See advisory for details. Note that Tenable Network Security has extracted the preceding description block directly from the SUSE security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or 'zypper patch'. Alternatively you can run the command listed for your product : SUSE Linux Enterprise Software Development Kit 11-SP4:zypper in -t patch sdksp4-xen-13749=1 SUSE Linux Enterprise Server 11-SP4:zypper in -t patch slessp4-xen-13749=1 SUSE Linux Enterprise Debuginfo 11-SP4:zypper in -t patch dbgsp4-xen-13749=1