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Alerts This Week
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Gentoo: GLSA-202301-13 High Severity: Kubernetes Insecure Configuration

gentoo
Calendar Grey May 26, 2021
Dist Gentoo Esm H88
Urgent alert regarding significant security flaws in containerd tailored for Gentoo Linux. Strengthen your container security measures immediately!
Multiple vulnerabilities have been found in containerd, the worst of which could result in privilege escalation.

Summary

Multiple vulnerabilities have been discovered in containerd. Please review the CVE identifiers referenced below for details.

Topics%20covered

Topics Covered

security advisory high severity gentoo critical privilege escalation multiple vulnerabilities containerd container management

Resolution

All containerd users should upgrade to the latest version: # emerge --sync # emerge --ask --oneshot --verbose ">=app-emulation/containerd-1.4.4"

References

[ 1 ] CVE-2020-15257 https://nvd.nist.gov/vuln/detail/CVE-2020-15257 [ 2 ] CVE-2021-21334 https://nvd.nist.gov/vuln/detail/CVE-2021-21334

Availability

This GLSA and any updates to it are available for viewing at the Gentoo Security Website: https://security.gentoo.org/glsa/202105-33
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Concerns

Security is a primary focus of Gentoo Linux and ensuring the confidentiality and security of our users' machines is of utmost importance to us. Any security concerns should be addressed to security@gentoo.org or alternatively, you may file a bug at https://bugs.gentoo.org.

Severity: High
Title: containerd: Multiple vulnerabilities
Date: May 26, 2021
Bugs: #758137, #775329
ID: 202105-33

Topics%20covered

Topics Covered

security advisory high severity gentoo critical privilege escalation multiple vulnerabilities containerd container management

Synopsis

Multiple vulnerabilities have been found in containerd, the worst of which could result in privilege escalation.

Background

Containerd is a daemon with an API and a command line client, to manage containers on one machine. It uses runC to run containers according to the OCI specification.

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Affected Packages

------------------------------------------------------------------- Package / Vulnerable / Unaffected ------------------------------------------------------------------- 1 app-emulation/containerd < 1.4.4 >= 1.4.4

Impact

===== A local attacker, able to run a malicious container in the same network namespace as the shim, could possibly escalate privileges. Furthermore, an attacker could disclose sensitive information.

Workaround

There is no known workaround at this time.

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