Fedora 30 : xen (2019-2e12bd3a9a)

High Nessus Plugin ID 132641

New! Vulnerability Priority Rating (VPR)

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VPR Score: 8.1

Synopsis

The remote Fedora host is missing a security update.

Description

denial of service in find_next_bit() [XSA-307, CVE-2019-19581, CVE-2019-19582] (#1782211) denial of service in HVM/PVH guest userspace code [XSA-308, CVE-2019-19583] (#1782206) privilege escalation due to malicious PV guest [XSA-309, CVE-2019-19578] (#1782210) Further issues with restartable PV type change operations [XSA-310, CVE-2019-19580] (#1782207) vulnerability in dynamic height handling for AMD IOMMU pagetables [XSA-311, CVE-2019-19577] (#1782208)

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-2019-2e12bd3a9a

Plugin Details

Severity: High

ID: 132641

File Name: fedora_2019-2e12bd3a9a.nasl

Version: 1.4

Type: local

Agent: unix

Published: 2020/01/06

Updated: 2020/07/10

Dependencies: 12634

Risk Information

Risk Factor: High

VPR Score: 8.1

CVSS v2.0

Base Score: 7.2

Temporal Score: 5.3

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

Temporal Vector: CVSS2#E:U/RL:OF/RC:C

CVSS v3.0

Base Score: 8.8

Temporal Score: 7.7

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

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

CPE: p-cpe:/a:fedoraproject:fedora:xen, cpe:/o:fedoraproject:fedora:30

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

Exploit Ease: No known exploits are available

Patch Publication Date: 2020/01/03

Vulnerability Publication Date: 2019/12/11

Reference Information

CVE: CVE-2019-19577, CVE-2019-19578, CVE-2019-19580, CVE-2019-19581, CVE-2019-19582, CVE-2019-19583

FEDORA: 2019-2e12bd3a9a

IAVB: 2019-B-0091-S