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
AZL (1)
BELL (1)
CGA (4)
CLEANSTART (3)
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