Alpine: xen: security update to 4.11.2-r0

high Tenable Cloud Security Plugin ID 435815

Description

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

- An issue was discovered in Xen through 4.11.x allowing x86 PV guest OS users to cause a denial of service
or gain privileges because of an incompatibility between Process Context Identifiers (PCID) and TLB
flushes. (CVE-2019-17346)

- An issue was discovered in Xen through 4.11.x allowing x86 guest OS users to cause a denial of service or
gain privileges because grant-table transfer requests are mishandled. (CVE-2019-17340)

- An issue was discovered in Xen through 4.11.x allowing x86 PV guest OS users to cause a denial of service
or gain privileges by leveraging a page-writability race condition during addition of a passed-through PCI
device. (CVE-2019-17341)

- An issue was discovered in Xen through 4.11.x allowing x86 PV guest OS users to cause a denial of service
or gain privileges by leveraging incorrect use of the HVM physmap concept for PV domains. (CVE-2019-17343)

- An issue was discovered in Xen 4.8.x through 4.11.x allowing x86 PV guest OS users to cause a denial of
service because mishandling of failed IOMMU operations causes a bug check during the cleanup of a crashed
guest. (CVE-2019-17345)

Plugin Details

Severity: High

ID: 435815

Version: Revision 1.3

Type: Local

Family: Alpine Linux Local Security Checks

Published: 10/28/2025

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: High

Base Score: 7.2

Temporal Score: 5.3

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

CVSS Score Source: CVE-2019-17346

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: 10/8/2019

Reference Information

CVE: CVE-2019-17340, CVE-2019-17341, CVE-2019-17343, CVE-2019-17345, CVE-2019-17346, CVE-2019-17347, CVE-2019-17348, CVE-2019-17349, CVE-2019-17350, CVE-2019-18420

IAVB: 2019-B-0079-S, 2019-B-0084-S

Detections

Analytics