CVE-2016-8649
critical
CVSS v3
9.1
CVSS v4 NEW
—
VIR risk
9.1
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.
Predictions
Exploit likelihood
94%
Patch ETA
—
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
No mitigations published for this CVE yet.
The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.
✚ Propose a mitigation on Community → Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here withsource_tier=community-verified.
OS impact
| OS | Version | Status | Fixed in |
|---|---|---|---|
| sles | affected | | |
| debian | bookworm | fixed | 1:2.0.6-1 |
| debian | bullseye | fixed | 1:2.0.6-1 |
| debian | forky | fixed | 1:2.0.6-1 |
| debian | sid | fixed | 1:2.0.6-1 |
| debian | trixie | fixed | 1:2.0.6-1 |
Application impact
| Vendor | Product | Versions | Fixed |
|---|---|---|---|
| linuxcontainers | lxc | {"endExcluding":"1.0.9"} | 1.0.9 |
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
- https://www.suse.com/security/cve/CVE-2016-8649.html
CWEs
CWE-264
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.