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Alpine: xen: security update to 4.6.3-r10

critical Tenable Self-Hosted Container Security Plugin ID 407857

Description

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

 - Quick emulator (QEMU) built with the Cirrus CLGD 54xx VGA emulator support is vulnerable to an out-of-
 bounds access issue. It could occur while copying VGA data via bitblt copy in backward mode. A privileged
 user inside a guest could use this flaw to crash the QEMU process resulting in DoS or potentially execute
 arbitrary code on the host with privileges of QEMU process on the host. (CVE-2017-2615)

 - Quick emulator (QEMU) before 2.8 built with the Cirrus CLGD 54xx VGA Emulator support is vulnerable to an
 out-of-bounds access issue. The issue could occur while copying VGA data in cirrus_bitblt_cputovideo. A
 privileged user inside guest could use this flaw to crash the QEMU process OR potentially execute
 arbitrary code on host with privileges of the QEMU process. (CVE-2017-2620)

See Also

https://security.alpinelinux.org/vuln/CVE-2017-2615

https://security.alpinelinux.org/vuln/CVE-2017-2620

Plugin Details

Severity: Critical

ID: 407857

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: High

Base Score: 9

Temporal Score: 6.7

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

CVSS Score Source: CVE-2017-2620

CVSS v3

Risk Factor: Critical

Base Score: 9.9

Temporal Score: 8.6

Vector: CVSS:3.0/AV:N/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: 2/1/2017

Reference Information

CVE: CVE-2017-2615, CVE-2017-2620

BID: 95990, 96378

IAVA: 2017-A-0048-S

IAVB: 2017-B-0024-S