QID 239347

Date Published: 2021-06-02

QID 239347: Red Hat Update for docker (RHSA-2021:2144)

Docker is an open-source engine that automates the deployment of any application as a lightweight, portable, self-sufficient container that runs virtually anywhere.

Security Fix(es): runc: vulnerable to symlink exchange attack (CVE-2021-30465)

Affected Products:

Red Hat Enterprise Linux Server 7 x86_64
Red Hat Enterprise Linux for IBM z Systems 7 s390x
Red Hat Enterprise Linux for Power, little endian 7 ppc64le

Note: The preceding description block is extracted directly from the security advisory. Using automation, we have attempted to clean and format it as much as possible without introducing additional issues.

On successful exploitation, it could allow an attacker to execute code.

  • CVSS V2 rated as High - 7.5 severity.
    • Solution
    Upgrade to the latest packages which contain a patch. Refer to Applying Package Updates to RHEL system for details.

    Refer to Red Hat security advisory RHSA-2021:2144 to address this issue and obtain more information.

    Vendor References

    CVEs related to QID 239347

    CVE-2021-30465 |
    Software Advisories
    Advisory ID Software Component Link
    RHSA-2021:2144 Red Hat Enterprise Linux URL Logo access.redhat.com/errata/RHSA-2021:2144?language=en
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