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CVE-2016-8649
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…
Critical9.1EPSS 2.8%
- Published
- Updated
- Reserved
- Assigned by
- redhat
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.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 3.0 | Critical9.1 | CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H |
- EPSS (exploitation in 30 days)
- 2.8% · top 13% of all CVEs (2 Nov 2026)
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The list uses the assigner's score when there is one, then CISA's, then NVD's: Critical 9.1.
Weakness
- container bypass
- CWE-264 (opens in a new tab)
Affected products
LXC before 1.0.9 and 2.x before 2.0.6
- affected LXC before 1.0.9 and 2.x before 2.0.6
References (6)
- https://bugzilla.redhat.com/show_bug.cgi?id=1398242 (opens in a new tab)x_refsource_CONFIRMx_transferred
- https://bugs.launchpad.net/ubuntu/+source/lxc/+bug/1639345 (opens in a new tab)x_refsource_CONFIRMx_transferred
- https://github.com/lxc/lxc/commit/81f466d05f2a89cb4f122ef7f593ff3f279b165c (opens in a new tab)x_refsource_CONFIRMx_transferred
- https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=845465 (opens in a new tab)x_refsource_CONFIRMx_transferred
- https://security-tracker.debian.org/tracker/CVE-2016-8649 (opens in a new tab)x_refsource_CONFIRMx_transferred
- 94498 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Record last updated .