lxc-start in lxc before 1.0.8 and 1.1.x before 1.1.4 allows local container administrators to escape AppArmor confinement via a symlink atta
lxc-start in lxc before 1.0.8 and 1.1.x before 1.1.4 allows local container administrators to escape AppArmor confinement via a symlink attack on a (1) mount target or (2) bind mount source.
Noroxi analysis
No Noroxi analysis for this record yet
We don't hand-write analysis for the hundreds of thousands of vulnerabilities in the database; that wouldn't be honest. For notable, high-impact vulnerabilities our team writes the mechanism, detection and remediation steps.
We use this product, ask for help- Published
- Oct 1, 2015
- Updated
- Jun 16, 2026
- EPSS
- 0.5% · 37th percentile
- CWE
- CWE-59
Sign in to follow · You’ll be notified if a followed record enters KEV, gets an exploit or is updated.
Report tools
Action score
28
Monitor
Low priority for now.
- CVSS
- 28 / 40 · 7.2 / 10
- CISA KEV
- 0 / 30 · Not listed
- EPSS
- 0 / 30 · 0.5%
Affected systems
| Vendor | Product | CPE |
|---|---|---|
| linuxcontainers | lxc | cpe:2.3:a:linuxcontainers:lxc |
| canonical | ubuntu linux | cpe:2.3:o:canonical:ubuntu_linux |
Affected versions
NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.
- canonical ubuntu linux14.04
- canonical ubuntu linux15.04
- linuxcontainers lxcup to 1.0.7 inclusive
- linuxcontainers lxc1.1.0
- linuxcontainers lxc1.1.1
- linuxcontainers lxc1.1.2
- linuxcontainers lxc1.1.3
Package-level exposure
OSV and GitHub Advisory data: ecosystem, package and range. SBOM matching uses this table.
| Ecosystem | Package | Affected range | Fix |
|---|---|---|---|
| Debian:12 | lxc | before 1:1.0.8-1 | 1:1.0.8-1 |
| Debian:6.0 | lxc | before 0.7.2-1+deb6u1 | 0.7.2-1+deb6u1 |
| Debian:8 | lxc | before 1:1.0.6-6+deb8u2 | 1:1.0.6-6+deb8u2 |
| openSUSE:Tumbleweed | lxc | before 2.0.4-2.1 | 2.0.4-2.1 |
| SUSE:Linux Enterprise Software Development Kit 11 SP3 | lxc | before 0.8.0-0.25.1 | 0.8.0-0.25.1 |
Same product
linuxcontainers: all recordsOther highest-scoring records for the same primary product.
- CVE-2016-8649lxc-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 descript37Monitor
- CVE-2016-10124An issue was discovered in Linux Containers (LXC) before 2016-02-22.34Monitor
- CVE-2017-18641In LXC 2.0, many template scripts download code over cleartext HTTP, and omit a digital-signature check, before running it to bootstrap cont32Monitor
- CVE-2013-6441The lxc-sshd template (templates/lxc-sshd.in) in LXC before 1.0.0.beta2 uses read-write permissions when mounting /sbin/init, which allows l28Monitor
- CVE-2015-1331lxclock.c in LXC 1.1.2 and earlier allows local users to create arbitrary files via a symlink attack on /run/lock/lxc/*.19Monitor
- CVE-2015-1334attach.c in LXC 1.1.2 and earlier uses the proc filesystem in a container, which allows local container users to escape AppArmor or SELinux 18Monitor
Remediation
Which version to upgrade to
Fix versions compiled from the vendor, package registries and Microsoft. Verify the vendor's note before upgrading.
| Product / package | Fixed version | Source |
|---|---|---|
| debian:lxc | 1:1.0.8-1 · Debian:12 | Package registry (OSV) |
| opensuse:lxc | 2.0.4-2.1 · openSUSE:Tumbleweed | Package registry (OSV) |
| suse:lxc | 0.8.0-0.25.1 · SUSE:Linux Enterprise Software Development Kit 11 SP3 | Package registry (OSV) |
Exploit status
No known public exploit
No public exploit has been observed yet. That doesn't mean you're safe, only that the bar is a little higher.
Research context
For pentesters and researchers: attack profile, score disagreement, timeline, patch commits, credits, variant and chain candidates, bug bounty scope. All derived from existing data; no exploit code.
Timeline
From publication to today: proof of concept, Metasploit module, CISA KEV and fix record. Dates are as reported by the sources.
No dated events beyond publication.
FIRST EPSS daily score; only changes of 0.01 or more are recorded (step chart).
Patch and commit links
Commit, PR and diff links among the references. A starting point for patch-diffing and variant hunting; fixes, not exploits.
Credits
All researchersFinders, reporters and analysts named in the CNA record. Click a name for that researcher’s other records.
No credits in the CNA record.
Variant candidates
Same product, same weakness class, within 18 months. If the patch missed the root cause, the sibling bug is here.
No nightly-computed relations.
Chain candidates
An authentication bypass and a privilege-requiring bug in the same product, published close together: combined they may become an unauthenticated path.
—
Bug bounty scope
No known public program.
Source: bounty-targets-data (public HackerOne, Bugcrowd, Intigriti, YesWeHack listings).
Technical details
Attack conditions
- No special conditions are required; it is repeatable.
If successful
- Confidentiality
- C · data can be read
- Integrity
- C · data or configuration can be modified
- Availability
- C · the service can be disrupted
- Attack complexity
- Low
- Confidentiality impact
- C
- Integrity impact
- C
- Availability impact
- C
Weakness class (CWE)
CWE-59 · Improper Link Resolution Before File Access ('Link Following')CVSS vector
AV:L/AC:L/Au:N/C:C/I:C/A:C
nvd-primary
Attack context
MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.
Attack patterns (CAPEC)
ATT&CK techniques
- Obfuscated Files or Information: HTML SmugglingT1027.006
- Obfuscated Files or Information: Embedded PayloadsT1027.009
- Boot or Logon Autostart Execution:Shortcut ModificationT1547.009
- Hide Artifacts: Resource ForkingT1564.009
- Hijack Execution Flow: Executable Installer File Permissions WeaknessT1574.005
- Hijack Execution Flow: Services File Permissions WeaknessT1574.010
Change log
- Fix✗ → ✓
For records you follow, these changes also arrive as notifications. →
References
- lists.fedoraproject.org/pipermail/package-announce/2015-November/170045.html
- lists.fedoraproject.org/pipermail/package-announce/2015-November/171358.html
- lists.fedoraproject.org/pipermail/package-announce/2015-November/171364.html
- lists.opensuse.org/opensuse-security-announce/2019-05/msg00073.html
- lists.opensuse.org/opensuse-updates/2015-10/msg00023.html
- www.debian.org/security/2015/dsa-3400
- www.openwall.com/lists/oss-security/2015/09/29/4
- www.oracle.com/technetwork/topics/security/linuxbulletinoct2015-2719645.html
- www.securityfocus.com/bid/76894
- www.ubuntu.com/usn/USN-2753-1
- bugs.launchpad.net/ubuntu/+source/lxc/+bug/1476662
- github.com/lxc/lxc/commit/592fd47a6245508b79fe6ac819fe6d3b2c1289be
- lists.linuxcontainers.org/pipermail/lxc-devel/2015-September/012434.html
Vendor advisories and official records. Exploit/PoC links are deliberately left out.