Vulnerability in Linuxfoundation Runc
CVE-2021-30465
runc before 1.0.0-rc95 allows a Container Filesystem Breakout via Directory Traversal. To exploit the vulnerability, an attacker must be able to create multiple containers with a fairly specific mount configuration. The problem occurs via…
Vulnerability class: Race Condition
EPSS: 0.066 (93.0th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 8.5 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H.
Affected products
- Linuxfoundation Runc — versions 1.0.0
- Fedoraproject Fedora — versions 33, 34
- N/a — versions n/a
Weakness classification (CWE)
Public proof-of-concept exploits
References
- cve@mitre.org (Third Party Advisory, Release Notes)
- cve@mitre.org (mailing-list, Mailing List, Third Party Advisory)
- cve@mitre.org (Patch, Third Party Advisory)
- cve@mitre.org (vendor-advisory)
- cve@mitre.org (vendor-advisory)
- cve@mitre.org (Patch, Third Party Advisory)
- cve@mitre.org (Issue Tracking)
- cve@mitre.org (Third Party Advisory)
- cve@mitre.org (vendor-advisory, Third Party Advisory)
- cve@mitre.org (mailing-list)
Frequently asked questions
- What is CVE-2021-30465?
- CVE-2021-30465 is a high-severity vulnerability in Linuxfoundation Runc, classified under Concurrent Execution using Shared Resource with Improper Synchronization (Race Condition). CVSS score: 8.5/10. Published 2021-05-27.
- How severe is CVE-2021-30465?
- High severity. CVSS v3 base score is 8.5 out of 10.
- Is CVE-2021-30465 known to be exploited?
- 29 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.