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CVE-2015-8222

14
FAUCET Score

CVE-2015-8222 describes a privilege escalation vulnerability in the Ubuntu lxd package, specifically affecting versions prior to 0.20-0ubuntu4.1. The flaw stems from world-readable permissions on the /var/lib/lxd/unix.socket file, allowing local users to gain elevated privileges through unspecified means. With a CVSS score of 4.6 (AV:L/AC:L/Au:N/C:P/I:P/A:P), this vulnerability requires local access and has a low attack complexity, potentially leading to partial confidentiality, integrity, and availability impacts. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
15.10CPE matchmatch criteria
cpe:2.3:o:canonical:ubuntu_linux:15.10:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

4.6MEDIUM

AV:L/AC:L/Au:N/C:P/I:P/A:P

Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
Access Vector
LOCAL
Access Complexity
LOW
Authentication
NONE
Exploitability Score
3.9
Impact Score
6.4
CvssVersion
2.0

Exploit Intelligence

EPSS Score
0.38%
Probability of exploitation in next 30 days
EPSS Percentile
30.8%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0038 is in the 53rd percentile among its peer group of 3,052 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (1)

ubuntupatch availablevia nvd_reference
View patch

References

bugs.launchpad.net / ubuntu/+source/lxd/+bug/1515689
github.com / lxc/lxd/issues/1307
ubuntu.com / usn/USN-2809-1
PatchVendor Advisory