CVE-2016-8649
9.1
CRITICAL · CVSS 3.0 · EPSS 2.8% (pctl 86)
In your normal cycle
Critical by CVSS (9.1), but no sign of active exploitation.
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.
Scoring
| CVSS | 9.1 (CRITICAL, v3.0) |
|---|---|
| Vector | CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H |
| EPSS | 2.81% — more likely to be exploited than 86% of all CVEs |
| Weakness | CWE-264 |
| On CISA KEV | no |
| Public exploit | none known |
| Published | 2017-05-01 |
| Last modified | 2026-06-17 |
Affected (1)
| Vendor | Product |
|---|---|
| linuxcontainers | lxc |
References
- http://www.securityfocus.com/bid/94498
- https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=845465
- https://bugs.launchpad.net/ubuntu/+source/lxc/+bug/1639345
- https://bugzilla.redhat.com/show_bug.cgi?id=1398242
- https://github.com/lxc/lxc/commit/81f466d05f2a89cb4f122ef7f593ff3f279b165c
- https://security-tracker.debian.org/tracker/CVE-2016-8649
- http://www.securityfocus.com/bid/94498
- https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=845465
- https://bugs.launchpad.net/ubuntu/+source/lxc/+bug/1639345
- https://bugzilla.redhat.com/show_bug.cgi?id=1398242
- https://github.com/lxc/lxc/commit/81f466d05f2a89cb4f122ef7f593ff3f279b165c
- https://security-tracker.debian.org/tracker/CVE-2016-8649
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