CVE-2021-30465

Source
https://cve.org/CVERecord?id=CVE-2021-30465
Import Source
https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2021-30465.json
JSON Data
https://api.test.osv.dev/v1/vulns/CVE-2021-30465
Aliases
Downstream
ALPINE (1)
ALSA (3)
AZL (1)
BELL (1)
CGA (4)
CLEANSTART (4)
DEBIAN (1)
MGASA (1)
OESA (1)
openSUSE (6)
RHSA (11)
RLSA (3)
SUSE (4)
UBUNTU (1)
Related
Published
2021-05-27T13:15:08Z
Modified
2026-07-17T20:58:21Z
Severity
  • 8.5 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H CVSS Calculator
Summary
[none]
Details

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.

Database specific
{
    "unresolved_ranges": [
        {
            "cpes": [
                "cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*",
                "cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:*"
            ],
            "extracted_events": [
                {
                    "last_affected": "33"
                },
                {
                    "last_affected": "34"
                }
            ],
            "source": "CPE_FIELD",
            "vendor_product": "fedoraproject:fedora"
        }
    ]
}
References

Affected packages