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
Published May 1, 2017
9.1
CRITICALCVSS 3.0
EPSS 2.81%
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.
Affected products
- Vendor n/a Product LXC before 1.0.9 and 2.x before 2.0.6 Defaultn/a
- Version LXC before 1.0.9 and 2.x before 2.0.6StatusaffectedConstraints-
- Version
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
| Vendor | Product | Default status | Versions | ||||||
|---|---|---|---|---|---|---|---|---|---|
| n/a | LXC before 1.0.9 and 2.x before 2.0.6 | n/a |
|
- < 1.0.9
- ≥ 2.0.0 · < 2.0.6
No data.
No Red Hat product state for this CVE.
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
AV:N/AC:L/Au:S/C:C/I:C/A:C
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
Score over time
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (13 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 2.81% (0.02813) | 86.03th | v5 (v2026.06.15) |
| Jun 15, 2026 | 2.81% (0.02813) | 84.64th | v5 (v2026.06.15) |
| Mar 30, 2025 | 2.15% (0.02154) | 82.74th | v4 (v2025.03.14) |
| Mar 29, 2025 | 4.46% (0.04463) | 81.42th | v4 (v2025.03.14) |
| Mar 17, 2025 | 1.57% (0.01567) | 80.24th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.36% (0.00362) | 73.16th | v3 (v2023.03.01) |
| Feb 8, 2024 | 0.36% (0.00362) | 71.51th | v3 (v2023.03.01) |
| May 8, 2023 | 0.36% (0.00362) | 68.08th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.27% (0.00272) | 62.78th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.03% (0.01034) | 41.69th | v2 (v2022.01.01) |
| Sep 10, 2022 | 1.03% (0.01034) | 39.91th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.03% (0.01034) | 37.91th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.03% (0.01034) | 20.32th | v2 (v2022.01.01) |
References (6)
- http://www.securityfocus.com/bid/94498 vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry
- https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=845465 x_refsource_CONFIRMThird Party Advisory
- https://bugs.launchpad.net/ubuntu/+source/lxc/+bug/1639345 x_refsource_CONFIRMThird Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1398242 x_refsource_CONFIRMIssue TrackingPatch
- https://github.com/lxc/lxc/commit/81f466d05f2a89cb4f122ef7f593ff3f279b165c x_refsource_CONFIRMPatchVendor Advisory
- https://security-tracker.debian.org/tracker/CVE-2016-8649 x_refsource_CONFIRMThird Party AdvisoryVDB Entry
| Link | Providers | Tags |
|---|---|---|
| http://www.securityfocus.com/bid/94498 | vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry | |
| https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=845465 | x_refsource_CONFIRMThird Party Advisory | |
| https://bugs.launchpad.net/ubuntu/+source/lxc/+bug/1639345 | x_refsource_CONFIRMThird Party Advisory | |
| https://bugzilla.redhat.com/show_bug.cgi?id=1398242 | x_refsource_CONFIRMIssue TrackingPatch | |
| https://github.com/lxc/lxc/commit/81f466d05f2a89cb4f122ef7f593ff3f279b165c | x_refsource_CONFIRMPatchVendor Advisory | |
| https://security-tracker.debian.org/tracker/CVE-2016-8649 | x_refsource_CONFIRMThird Party AdvisoryVDB Entry |
Change history (0)
No recorded changes yet.