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CVE-2021-30465 Details

Description

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 a symlink-exchange attack that relies on a race condition.

Metrics

CVSS 3.x Severity and Vector Strings:

NIST: [email protected]CVSS-B:8.5 HIGHVector:CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

By selecting these links, you will be leaving this site. These are references gathered from the official CVE record and are not endorsed by Volerion.

URL	Source(s)	Tag(s)
https://bugzilla.opensuse.org/show_bug.cgi?id=1185405	CVE	Issue Tracking
https://github.com/opencontainers/runc/commit/0ca91f44f1664da834bc61115a849b56d22f595f	CVE	PatchThird Party Advisory
https://github.com/opencontainers/runc/releases	CVE	Release NotesThird Party Advisory
https://github.com/opencontainers/runc/security/advisories/GHSA-c3xm-pvg7-gh7r	CVE	PatchThird Party Advisory
https://lists.debian.org/debian-lts-announce/2023/03/msg00023.html	CVE
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/35ZW6NBZSBH5PWIT7JU4HXOXGFVDCOHH/	CVE
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4HOARVIT47RULTTFWAU7XBG4WY6TDDHV/	CVE
https://security.gentoo.org/glsa/202107-26	CVE	Third Party Advisory
https://security.netapp.com/advisory/ntap-20210708-0003/	CVE	Third Party Advisory
http://www.openwall.com/lists/oss-security/2021/05/19/2	CVE	Mailing ListThird Party Advisory
https://bugzilla.opensuse.org/show_bug.cgi?id=1185405	[email protected]	Issue Tracking
https://github.com/opencontainers/runc/commit/0ca91f44f1664da834bc61115a849b56d22f595f	[email protected]	PatchThird Party Advisory
https://github.com/opencontainers/runc/releases	[email protected]	Release NotesThird Party Advisory
https://github.com/opencontainers/runc/security/advisories/GHSA-c3xm-pvg7-gh7r	[email protected]	PatchThird Party Advisory
https://lists.debian.org/debian-lts-announce/2023/03/msg00023.html	[email protected]
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/35ZW6NBZSBH5PWIT7JU4HXOXGFVDCOHH/	[email protected]
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4HOARVIT47RULTTFWAU7XBG4WY6TDDHV/	[email protected]
https://security.gentoo.org/glsa/202107-26	[email protected]	Third Party Advisory
https://security.netapp.com/advisory/ntap-20210708-0003/	[email protected]	Third Party Advisory
http://www.openwall.com/lists/oss-security/2021/05/19/2	[email protected]	Mailing ListThird Party Advisory

see all 20 references

Weakness Enumeration

CWE-ID	CWE Name	Source
CWE-362	Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')	[email protected]

Affected Products

Product	Versions
linuxfoundation runc	<= 0.1.1 1.0.0 rc1 1.0.0 rc10 1.0.0 rc2 1.0.0 rc3
CPE cpe:2.3:a:linuxfoundation:runc:::::::: cpe:2.3:a:linuxfoundation:runc:1.0.0:rc1:::::: cpe:2.3:a:linuxfoundation:runc:1.0.0:rc10:::::: cpe:2.3:a:linuxfoundation:runc:1.0.0:rc2:::::: cpe:2.3:a:linuxfoundation:runc:1.0.0:rc3:::::: cpe:2.3:a:linuxfoundation:runc:1.0.0:rc4:::::: cpe:2.3:a:linuxfoundation:runc:1.0.0:rc5:::::: cpe:2.3:a:linuxfoundation:runc:1.0.0:rc6:::::: cpe:2.3:a:linuxfoundation:runc:1.0.0:rc7:::::: cpe:2.3:a:linuxfoundation:runc:1.0.0:rc8:::::: cpe:2.3:a:linuxfoundation:runc:1.0.0:rc9:::::: cpe:2.3:a:linuxfoundation:runc:1.0.0:rc90:::::: cpe:2.3:a:linuxfoundation:runc:1.0.0:rc91:::::: cpe:2.3:a:linuxfoundation:runc:1.0.0:rc92:::::: cpe:2.3:a:linuxfoundation:runc:1.0.0:rc93:::::: cpe:2.3:a:linuxfoundation:runc:1.0.0:rc94:::::: Remediation No remediation found in references.
fedoraproject fedora	33 34
CPE cpe:2.3:o:fedoraproject:fedora:33:::::::* cpe:2.3:o:fedoraproject:fedora:34:::::::* Remediation No remediation found in references.

Change History

13 change records found show changes

Date	Action	Recorded By
Jun 17, 2026	CVE Modified	[email protected]
Nov 21, 2024	CVE Modified	CVE
May 14, 2024	CVE Modified	[email protected]
Nov 7, 2023	CVE Modified	[email protected]
Mar 27, 2023	CVE Modified	[email protected]
Jun 28, 2022	CWE Remap	[email protected]
May 16, 2022	Modified Analysis	[email protected]
Jul 10, 2021	CVE Modified	[email protected]
Jul 8, 2021	CVE Modified	[email protected]
Jun 17, 2021	CVE Modified	[email protected]
Jun 7, 2021	Initial Analysis	[email protected]
May 29, 2021	CVE Modified	[email protected]
May 28, 2021	CVE Modified	[email protected]