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

High Nessus Plugin ID 92796

New! Vulnerability Priority Rating (VPR)

Tenable calculates a dynamic VPR for every vulnerability. VPR combines vulnerability information with threat intelligence and machine learning algorithms to predict which vulnerabilities are most likely to be exploited in attacks. Read more about what VPR is and how it's different from CVSS.

VPR Score: 6.5


The remote Fedora host is missing a security update.


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.


Update the affected xen package.

See Also


Plugin Details

Severity: High

ID: 92796

File Name: fedora_2016-0049aa6e5d.nasl

Version: 2.9

Type: local

Agent: unix

Published: 2016/08/09

Updated: 2020/07/10

Dependencies: 12634

Risk Information

Risk Factor: High

VPR Score: 6.5

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:23

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

Patch Publication Date: 2016/08/08

Vulnerability Publication Date: 2016/08/02

Reference Information

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

FEDORA: 2016-0049aa6e5d

IAVB: 2016-B-0118-S