Fedora 26 : xen (2017-16a414b3c5)

This script is Copyright (C) 2018 Tenable Network Security, Inc.


Synopsis :

The remote Fedora host is missing a security update.

Description :

another patch related to the [XSA-240, CVE-2017-15595] issue xen:
various flaws (#1525018) x86 PV guests may gain access to internally
used page [XSA-248] broken x86 shadow mode refcount overflow check
[XSA-249] improper x86 shadow mode refcount error handling [XSA-250]
improper bug check in x86 log-dirty handling [XSA-251]

----

xen: various flaws (#1518214) x86: infinite loop due to missing PoD
error checking [XSA-246] Missing p2m error checking in PoD code
[XSA-247]

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.

See also :

https://bodhi.fedoraproject.org/updates/FEDORA-2017-16a414b3c5

Solution :

Update the affected xen package.

Risk factor :

High / CVSS Base Score : 7.2
(CVSS2#AV:L/AC:L/Au:N/C:C/I:C/A:C)

Family: Fedora Local Security Checks

Nessus Plugin ID: 105511 ()

Bugtraq ID:

CVE ID: CVE-2017-15595
CVE-2017-17044
CVE-2017-17045
CVE-2017-17563
CVE-2017-17564
CVE-2017-17565
CVE-2017-17566

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