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Fedora 31 : xen (2020-295ed0b1e0)

high Nessus Plugin ID 136210

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Synopsis

The remote Fedora host is missing a security update.

Description

multiple xenoprof issues [XSA-313, CVE-2020-11740, CVE-2020-11741] (#1823912, #1823914) Missing memory barriers in read-write unlock paths [XSA-314, CVE-2020-11739] (#1823784) Bad error path in GNTTABOP_map_grant [XSA-316, CVE-2020-11743] (#1823926) Bad continuation handling in GNTTABOP_copy [XSA-318, CVE-2020-11742] (#1823943)

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-2020-295ed0b1e0

Plugin Details

Severity: High

ID: 136210

File Name: fedora_2020-295ed0b1e0.nasl

Version: 1.6

Type: local

Agent: unix

Published: 5/1/2020

Updated: 3/14/2024

Supported Sensors: Agentless Assessment, Continuous Assessment, Frictionless Assessment Agent, Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: High

Score: 7.3

CVSS v2

Risk Factor: Medium

Base Score: 6.9

Temporal Score: 5.4

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

CVSS Score Source: CVE-2020-11741

CVSS v3

Risk Factor: High

Base Score: 8.8

Temporal Score: 7.9

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:P/RL:O/RC:C

Vulnerability Information

CPE: p-cpe:/a:fedoraproject:fedora:xen, cpe:/o:fedoraproject:fedora:31

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

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 5/1/2020

Vulnerability Publication Date: 4/14/2020

Reference Information

CVE: CVE-2020-11739, CVE-2020-11740, CVE-2020-11741, CVE-2020-11742, CVE-2020-11743

FEDORA: 2020-295ed0b1e0

IAVB: 2019-B-0091-S, 2020-B-0023-S