Alpine: xen: security update to 4.6.3-r4

high Tenable Cloud Security Plugin ID 407861

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 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)

- Xen through 4.7.x allows local ARM guest OS users to cause a denial of service (host panic) by sending an
asynchronous abort. (CVE-2016-9815)

- Xen through 4.7.x allows local ARM guest OS users to cause a denial of service (host crash) via vectors
involving an asynchronous abort while at EL2. (CVE-2016-9816)

- Xen through 4.7.x allows local ARM guest OS users to cause a denial of service (host crash) via vectors
involving a (1) data or (2) prefetch abort with the ESR_EL2.EA bit set. (CVE-2016-9817)

- Xen through 4.7.x allows local ARM guest OS users to cause a denial of service (host crash) via vectors
involving an asynchronous abort while at HYP. (CVE-2016-9818)

See Also

https://security.alpinelinux.org/vuln/CVE-2016-9815

https://security.alpinelinux.org/vuln/CVE-2016-9816

https://security.alpinelinux.org/vuln/CVE-2016-9817

https://security.alpinelinux.org/vuln/CVE-2016-9818

https://security.alpinelinux.org/vuln/CVE-2016-9932

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

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

Plugin Details

Severity: High

ID: 407861

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: 11/29/2016

Reference Information

CVE: CVE-2016-9815, CVE-2016-9816, CVE-2016-9817, CVE-2016-9818, CVE-2016-9932, CVE-2018-7540, CVE-2018-7541

BID: 103174, 103177, 94581, 94863

IAVA: 2017-A-0012-S, 2018-A-0094-S

IAVB: 2016-B-0190-S