How severe is CVE-2015-8222?

CVE-2015-8222 has a CVSS 2.0 base score of 4.6, rated medium severity.

Is CVE-2015-8222 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (30th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2015-8222?

CVE-2015-8222 affects Canonical Ubuntu Linux. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2015-8222?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2015-8222 published?

CVE-2015-8222 was published on 2015-11-17 and last updated on 2026-06-17.

CVE-2015-8222

CVE-2015-8222 is a medium-severity vulnerability in Canonical Ubuntu Linux with a CVSS 2.0 base score of 4.6. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-264.

Key facts

Severity: Medium (CVSS 2.0 base score 4.6)
EPSS exploit prediction: 0% (30th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-264
Affected product: Canonical Ubuntu Linux
Published: 2015-11-17
Last modified: 2026-06-17

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.

Frequently asked questions

What is 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.
How severe is CVE-2015-8222?: CVE-2015-8222 has a CVSS 2.0 base score of 4.6, rated medium severity.
Is CVE-2015-8222 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (30th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2015-8222?: CVE-2015-8222 affects Canonical Ubuntu Linux. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2015-8222?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2015-8222 published?: CVE-2015-8222 was published on 2015-11-17 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:o:canonical:ubuntu_linux:15.10:*:*:*:*:*:*:*

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