CVE-2015-8222 — The lxd-unix.socket systemd unit file in the Ubuntu lxd package before 0.20-0ubuntu4.1 uses world-readable permissions for /var/lib/lxd/unix.socket, which allows local users to gain privileges via unspecified vectors

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MEDIUM

The lxd-unix.socket systemd unit file in the Ubuntu lxd package before 0.20-0ubuntu4.1 uses world-readable permissions for /var/lib/lxd/unix.socket, which allows local users to gain privileges via unspecified vectors

Published Nov 17, 2015

4.6

MEDIUM

CVSS 2.0

EPSS 0.38%

Description

The lxd-unix.socket systemd unit file in the Ubuntu lxd package before 0.20-0ubuntu4.1 uses world-readable permissions for /var/lib/lxd/unix.socket, which allows local users to gain privileges via unspecified vectors.

Affected products

Remediation

No remediation recorded yet.

Metrics

0.38% 0.00382

Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.

EPSS probability 0.00382

Score over time

2022–2026

EPSS v2
EPSS v3
EPSS v4
EPSS v5

Percentile over time

EPSS v2
EPSS v3
EPSS v4
EPSS v5

Table of values (9 key points)

Flat stretches are collapsed; showing up to 120 newest points.

Date	Score	Percentile	Model
Oct 1, 2026	0.38% (0.00382)	29.74th	v5 (v2026.06.15)
Jun 15, 2026	0.38% (0.00382)	29.74th	v5 (v2026.06.15)
Mar 17, 2025	0.12% (0.00121)	28.67th	v4 (v2025.03.14)
Dec 12, 2024	0.04% (0.00042)	5.07th	v3 (v2023.03.01)
Mar 7, 2023	0.04% (0.00042)	5.63th	v3 (v2023.03.01)
Mar 6, 2023	0.89% (0.00890)	30.33th	v2 (v2022.01.01)
Sep 10, 2022	0.89% (0.00890)	28.64th	v2 (v2022.01.01)
Apr 1, 2022	0.89% (0.00890)	26.62th	v2 (v2022.01.01)
Feb 4, 2022	0.89% (0.00890)	12.04th	v2 (v2022.01.01)

Weaknesses (1)

CWE-264

References (3)

http://www.ubuntu.com/usn/USN-2809-1
vendor-advisoryx_refsource_UBUNTUPatchVendor Advisory
https://bugs.launchpad.net/ubuntu/+source/lxd/+bug/1515689
x_refsource_CONFIRM
https://github.com/lxc/lxd/issues/1307
x_refsource_CONFIRM

Link	Providers	Tags
http://www.ubuntu.com/usn/USN-2809-1		vendor-advisoryx_refsource_UBUNTUPatchVendor Advisory
https://bugs.launchpad.net/ubuntu/+source/lxd/+bug/1515689		x_refsource_CONFIRM
https://github.com/lxc/lxd/issues/1307		x_refsource_CONFIRM

Change history (0)

No recorded changes yet.

Sources

CVE.org / MITRE

Status PUBLISHED

Assigner mitre

Published Nov 17, 2015

Updated Sep 16, 2024

Reserved Nov 17, 2015

Link CVE-2015-8222

CISA Vulnrichment

Updated n/a

NVD

Status Modified

Modified Jun 17, 2026

Link CVE-2015-8222

Red Hat

Severity n/a

Public date n/a

Links CVE-2015-8222