Detections
Analytics

Alpine: multiple lxc packages: security update to 2.1.1-r8 (deprecated)

low Tenable Cloud Security Plugin ID 400699

Description

There are packages installed that are affected by a vulnerability referenced in the following CVE:

 - lxc-user-nic when asked to delete a network interface will unconditionally open a user provided path. This
 code path may be used by an unprivileged user to check for the existence of a path which they wouldn't
 otherwise be able to reach. It may also be used to trigger side effects by causing a (read-only) open of
 special kernel files (ptmx, proc, sys). Affected releases are LXC: 2.0 versions above and including 2.0.9;
 3.0 versions above and including 3.0.0, prior to 3.0.2. (CVE-2018-6556)

See Also

https://git.alpinelinux.org/aports/commit/?id=a87770c1ecd1d77c301595135c07f3a49877696c

https://git.alpinelinux.org/aports/commit/?id=f6b0d4ea66ca7fd95a2d90a4e8c0f5cef679411b

Plugin Details

Severity: Low

ID: 400699

Version: Revision 1.23

Type: Local

Published: 8/16/2023

Updated: 7/2/2026

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

Risk Information

VPR

Risk Factor: Low

Score: 1.2

Percentile: 0.01

CVSS v2

Risk Factor: Low

Base Score: 2.1

Temporal Score: 1.6

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

CVSS Score Source: CVE-2018-6556

CVSS v3

Risk Factor: Low

Base Score: 3.3

Temporal Score: 2.9

Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

Exploit Ease: No known exploits are available

Patch Publication Date: 8/6/2018

Vulnerability Publication Date: 8/10/2018

Reference Information

CVE: CVE-2018-6556