Fedora 26 : xen (2017-f336ba205d)

High Nessus Plugin ID 102686

Synopsis

The remote Fedora host is missing a security update.

Description

Qemu: serial: host memory leakage 16550A UART emulation [CVE-2017-5579] (#1416162) Qemu: display: cirrus: OOB read access issue [CVE-2017-7718] (#1443444) xen: various flaws (#1481765) multiple problems with transitive grants [XSA-226, CVE-2017-12135] x86: PV privilege escalation via map_grant_ref [XSA-227, CVE-2017-12137] grant_table: Race conditions with maptrack free list handling [XSA-228, CVE-2017-12136] grant_table: possibly premature clearing of GTF_writing / GTF_reading [XSA-230, CVE-2017-12855]

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.

See Also

https://bodhi.fedoraproject.org/updates/FEDORA-2017-f336ba205d

Plugin Details

Severity: High

ID: 102686

File Name: fedora_2017-f336ba205d.nasl

Version: Revision: 3.3

Type: local

Agent: unix

Published: 2017/08/23

Updated: 2018/02/02

Dependencies: 12634

Risk Information

Risk Factor: High

CVSS v2.0

Base Score: 7.2

Vector: CVSS2#AV:L/AC:L/Au:N/C:C/I:C/A:C

CVSS v3.0

Base Score: 8.8

Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

Vulnerability Information

CPE: p-cpe:/a:fedoraproject:fedora:xen, cpe:/o:fedoraproject:fedora:26

Required KB Items: Host/local_checks_enabled, Host/RedHat/release, Host/RedHat/rpm-list

Patch Publication Date: 2017/08/22

Reference Information

CVE: CVE-2017-12134, CVE-2017-12135, CVE-2017-12136, CVE-2017-12137, CVE-2017-12855, CVE-2017-5579, CVE-2017-7718