Fedora 22 : xen-4.5.2-6.fc22 (2015-c44bd3e0fa)

Medium Nessus Plugin ID 89398

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: 7.3

Synopsis

The remote Fedora host is missing a security update.

Description

paravirtualized drivers incautious about shared memory contents [XSA-155, CVE-2015-8550] qemu-dm buffer overrun in MSI-X handling [XSA-164, CVE-2015-8554] information leak in legacy x86 FPU/XMM initialization [XSA-165, CVE-2015-8555] ioreq handling possibly susceptible to multiple read issue [XSA-166]

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.

Solution

Update the affected xen package.

See Also

https://bugzilla.redhat.com/show_bug.cgi?id=1289125

https://bugzilla.redhat.com/show_bug.cgi?id=1289129

https://bugzilla.redhat.com/show_bug.cgi?id=1289130

https://bugzilla.redhat.com/show_bug.cgi?id=1290365

http://www.nessus.org/u?f0f79a1c

Plugin Details

Severity: Medium

ID: 89398

File Name: fedora_2015-c44bd3e0fa.nasl

Version: 1.6

Type: local

Agent: unix

Published: 2016/03/04

Updated: 2021/01/11

Dependencies: 12634

Risk Information

Risk Factor: Medium

VPR Score: 7.3

CVSS v2.0

Base Score: 6.6

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

CVSS v3.0

Base Score: 8.6

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

Vulnerability Information

CPE: p-cpe:/a:fedoraproject:fedora:xen, cpe:/o:fedoraproject:fedora:22

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

Patch Publication Date: 2016/01/02

Reference Information

CVE: CVE-2015-8550, CVE-2015-8554, CVE-2015-8555