QID 750155

Date Published: 2021-06-24

QID 750155: SUSE Enterprise Linux Security Update for containerd, docker, runc (SUSE-SU-2021:1954-1)

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).

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.

Successful exploitation allows attacker to compromise the system.

CVSS V3 rated as Critical - 8.5 severity.

CVSS V2 rated as High - 6 severity.

Solution

Upgrade to the latest package which contains the patch. To install this SUSE Security, Update use YaST online_update. Alternatively you can run the command listed for your product. To install packages using the command line interface, use command "yum update". Refer to Suse security advisory: SUSE-SU-2021:1954-1 to address this issue and obtain further details.

Vendor References

SUSE-SU-2021:1954-1 - lists.suse.com/pipermail/sle-security-updates/2021-June/008994.html

CVEs related to QID 750155

CVE-2021-21285 | CVE-2021-21284 | CVE-2021-21334 | CVE-2021-30465 |

Software Advisories

Advisory ID	Software	Component	Link
SUSE-SU-2021:1954-1	SUSE Enterprise Linux		lists.suse.com/pipermail/sle-security-updates/2021-June/008994.html

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