Detections
Analytics

Fedora 26 : xen (2017-f336ba205d)

high Nessus Plugin ID 102686

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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: 3.7

Type: local

Agent: unix

Published: 8/23/2017

Updated: 11/26/2025

Supported Sensors: Frictionless Assessment Agent, Nessus Agent, Agentless Assessment, Continuous Assessment, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 6.5

CVSS v2

Risk Factor: High

Base Score: 7.2

Temporal Score: 5.3

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

CVSS Score Source: CVE-2017-12137

CVSS v3

Risk Factor: High

Base Score: 8.8

Temporal Score: 7.7

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

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

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

Exploit Ease: No known exploits are available

Patch Publication Date: 8/22/2017

Vulnerability Publication Date: 3/15/2017

Reference Information

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