SUSE-SU-2021:1954-1

    Dashboard / Vulnerabilities / SUSE-SU-2021:1954-1

    SUSE-SU-2021:1954-1

    Published: 11 Jun 2021Last Modified: 4 Feb 2026

    Summary: Security update for containerd, docker, runc

    Details: This update for containerd, docker, runc fixes the following issues: Docker was updated to 20.10.6-ce (bsc#1184768, bsc#1182947, bsc#1181594) * Switch version to use -ce suffix rather than _ce to avoid confusing other tools (bsc#1182476). * CVE-2021-21284: Fixed a potential privilege escalation when the root user in the remapped namespace has access to the host filesystem (bsc#1181732) * CVE-2021-21285: Fixed an issue where pulling a malformed Docker image manifest crashes the dockerd daemon (bsc#1181730). * btrfs quotas being removed by Docker regularly (bsc#1183855, bsc#1175081) runc was updated to v1.0.0~rc93 (bsc#1182451, bsc#1175821 bsc#1184962). * Use the upstream runc package (bsc#1181641, bsc#1181677, bsc#1175821). * Fixed /dev/null is not available (bsc#1168481). * CVE-2021-30465: Fixed a symlink-exchange attack vulnarability (bsc#1185405). containerd was updated to v1.4.4 * CVE-2021-21334: Fixed a potential information leak through environment variables (bsc#1183397). * Handle a requirement from docker (bsc#1181594).

    References: https://www.suse.com/support/update/announcement/2021/suse-su-20211954-1/, https://bugzilla.suse.com/1168481, https://bugzilla.suse.com/1175081, https://bugzilla.suse.com/1175821, https://bugzilla.suse.com/1181594, https://bugzilla.suse.com/1181641, https://bugzilla.suse.com/1181677, https://bugzilla.suse.com/1181730, https://bugzilla.suse.com/1181732, https://bugzilla.suse.com/1181749, https://bugzilla.suse.com/1182451, https://bugzilla.suse.com/1182476, https://bugzilla.suse.com/1182947, https://bugzilla.suse.com/1183024, https://bugzilla.suse.com/1183855, https://bugzilla.suse.com/1184768, https://bugzilla.suse.com/1184962, https://bugzilla.suse.com/1185405, https://www.suse.com/security/cve/CVE-2021-21284, https://www.suse.com/security/cve/CVE-2021-21285, https://www.suse.com/security/cve/CVE-2021-21334, https://www.suse.com/security/cve/CVE-2021-30465

    Affected packages

    Package

    Name: containerd

    Purl: pkg:rpm/suse/containerd&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Containers%2015%20SP2

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -1.4.4-5.32.1

    Affected versions

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High
    SUSE-SU-2021:1954-1 | CVE-DB