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Fedora 23 : xen (2016-0049aa6e5d) (Bunker Buster)

high Nessus Plugin ID 92796

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Synopsis

The remote Fedora host is missing a security update.

Description

x86: Privilege escalation in PV guests [XSA-182, CVE-2016-6258] x86:
Missing SMAP whitelisting in 32-bit exception / event delivery [XSA-183, CVE-2016-6259] virtio: unbounded memory allocation issue [XSA-184, CVE-2016-5403] Qemu: scsi: esp: OOB write access in esp_do_dma [CVE-2016-6351]

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-2016-0049aa6e5d

Plugin Details

Severity: High

ID: 92796

File Name: fedora_2016-0049aa6e5d.nasl

Version: 2.10

Type: local

Agent: unix

Published: 8/9/2016

Updated: 1/11/2021

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

Risk Information

VPR

Risk Factor: Medium

Score: 6.5

CVSS v2

Risk Factor: High

Base Score: 7.2

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

CVSS v3

Risk Factor: High

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: cpe:/o:fedoraproject:fedora:23, p-cpe:/a:fedoraproject:fedora:xen

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

Patch Publication Date: 8/8/2016

Vulnerability Publication Date: 8/2/2016

Reference Information

CVE: CVE-2016-5403, CVE-2016-6258, CVE-2016-6259, CVE-2016-6351

FEDORA: 2016-0049aa6e5d

IAVB: 2016-B-0118-S