Fedora 23 : xen-4.5.2-7.fc23 (2016-2c15b72b01)

Medium Nessus Plugin ID 89503

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: 7.9


The remote Fedora host is missing a security update.


PV superpage functionality missing sanity checks [XSA-167, CVE-2016-1570] VMX: intercept issue with INVLPG on non-canonical address [XSA-168, CVE-2016-1571] Qemu: pci: NULL pointer dereference issue CVE-2015-7549 qemu: DoS by infinite loop in ehci_advance_state CVE-2015-8558 qemu: Heap-based buffer overrun during VM migration CVE-2015-8666 Qemu: net: vmxnet3: incorrect l2 header validation leads to a crash via assert(2) call CVE-2015-8744 qemu: Support reading IMR registers on bar0 CVE-2015-8745 Qemu: net: vmxnet3: host memory leakage CVE-2015-8567 CVE-2015-8568 Qemu: net: ne2000: OOB memory access in ioport r/w functions CVE-2015-8743

Note that Tenable Network Security has extracted the preceding description block directly from the Fedora security advisory. 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: Medium

ID: 89503

File Name: fedora_2016-2c15b72b01.nasl

Version: 1.4

Type: local

Agent: unix

Published: 2016/03/04

Updated: 2021/01/11

Dependencies: 12634

Risk Information

Risk Factor: Medium

VPR Score: 7.9

CVSS v2.0

Base Score: 6.9

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

CVSS v3.0

Base Score: 8.5

Vector: CVSS:3.0/AV:N/AC:H/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: 2016/01/28

Reference Information

CVE: CVE-2015-7549, CVE-2015-8558, CVE-2015-8567, CVE-2015-8568, CVE-2015-8666, CVE-2015-8743, CVE-2015-8744, CVE-2015-8745, CVE-2016-1570, CVE-2016-1571