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

High Nessus Plugin ID 92796

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: 2.7

Type: local

Agent: unix

Published: 2016/08/09

Updated: 2019/09/25

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: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