Fedora 26 : xen (2017-5bcddc1984)
High Nessus Plugin ID 104310
Synopsis
The remote Fedora host is missing a security update.
Description
xen: various flaws (#1501391) multiple MSI mapping issues on x86 [XSA-237] DMOP map/unmap missing argument checks [XSA-238] hypervisor stack leak in x86 I/O intercept code [XSA-239] Unlimited recursion in linear pagetable de-typing [XSA-240] Stale TLB entry due to page type release race [XSA-241] page type reference leak on x86 [XSA-242] x86:
Incorrect handling of self-linear shadow mappings with translated guests [XSA-243] x86: Incorrect handling of IST settings during CPU hotplug [XSA-244]
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ARM: Some memory not scrubbed at boot [XSA-245] Qemu: vga: reachable assert failure during during display update [CVE-2017-13673] (#1486591) Qemu: vga: OOB read access during display update [CVE-2017-13672] (#1486562)
Note that Tenable Network Security has extracted the preceding description block directly from the Fedora update system website.
Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.
Solution
Update the affected xen package.