UBUNTU-CVE-2016-8649

Advisory lineage Upstream: 1 Downstream: 1
Upstream
CVE-2016-8649
Downstream
USN-3136-1
Published: 23 Nov 2016, 16:00
Last modified:22 Apr 2026, 11:01

Vulnerability Summary

Overall Risk (default)
high
70/100
CVSS Score
9.1 CRITICAL
3.0 (osv_ubuntu)
EPSS Score
No data
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected

Timeline

23 Nov 2016, 16:00
Published
Vulnerability first disclosed
22 Apr 2026, 11:01
Last Modified
Vulnerability information updated

Description

lxc-attach in LXC before 1.0.9 and 2.x before 2.0.6 allows an attacker inside of an unprivileged container to use an inherited file descriptor, of the host's /proc, to access the rest of the host's filesystem via the openat() family of syscalls.

CVSS Metrics

  • v3.0•CRITICAL•Score: 9.1CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H

Affected Systems

  • ubuntu•lxc

    < 1.0.8-0ubuntu0.4 | < 2.0.5-0ubuntu1~ubuntu16.04.3

References (3)