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Vulnerability of runc: privilege escalation via symlink-exchange

Synthesis of the vulnerability 

An attacker can bypass restrictions via symlink-exchange of runc, in order to escalate his privileges.
Vulnerable systems: Docker CE, Fedora, RHEL, SUSE Linux Enterprise Desktop, SLES, Ubuntu.
Severity of this threat: 2/4.
Creation date: 19/05/2021.
Références of this weakness: CVE-2021-30465, FEDORA-2021-0440f235a0, FEDORA-2021-2eb67ba3c2, RHSA-2021:2144-01, RHSA-2021:2145-01, RHSA-2021:2291-01, RHSA-2021:2292-01, RHSA-2021:2370-01, RHSA-2021:2371-01, SUSE-SU-2021:1885-1, SUSE-SU-2021:1954-1, USN-4960-1, VIGILANCE-VUL-35486.

Description of the vulnerability 

An attacker can bypass restrictions via symlink-exchange of runc, in order to es...
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This cybersecurity threat impacts software or systems such as Docker CE, Fedora, RHEL, SUSE Linux Enterprise Desktop, SLES, Ubuntu.

Our Vigil@nce team determined that the severity of this computer threat note is medium.

The trust level is of type confirmed by the editor, with an origin of user shell.

An attacker with a expert ability can exploit this security threat.

Solutions for this threat 

This vulnerability workaround will be public soon.
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