Detections
Analytics

Alpine: xen: security update to 4.7.3-r7

high Tenable Cloud Security Plugin ID 407886

Description

There are packages installed that are affected by multiple vulnerabilities referenced in the following CVEs:

 - An issue was discovered in Xen through 4.10.x allowing x86 PV guest OS users to cause a denial of service
 (host OS CPU hang) via non-preemptable L3/L4 pagetable freeing. (CVE-2018-7540)

 - An issue was discovered in Xen through 4.10.x allowing guest OS users to cause a denial of service
 (hypervisor crash) or gain privileges by triggering a grant-table transition from v2 to v1.
 (CVE-2018-7541)

See Also

https://security.alpinelinux.org/vuln/CVE-2018-7540

https://security.alpinelinux.org/vuln/CVE-2018-7541

Plugin Details

Severity: High

ID: 407886

Version: Revision 1.25

Type: Local

Published: 10/31/2023

Updated: 7/2/2026

Supported Sensors: Agentless Assessment, Tenable Cloud Security, Tenable Self-Hosted Container Security

Risk Information

VPR

Risk Factor: Medium

Score: 5

Percentile: 95.11

CVSS v2

Risk Factor: Medium

Base Score: 6.1

Temporal Score: 4.5

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

CVSS Score Source: CVE-2018-7541

CVSS v3

Risk Factor: High

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

Exploit Ease: No known exploits are available

Vulnerability Publication Date: 2/27/2018

Reference Information

CVE: CVE-2018-7540, CVE-2018-7541

BID: 103174, 103177

IAVA: 2018-A-0094-S