<p>Upgrade <code>SLES:15.0</code> <code>docker</code> to version 20.10.6_ce-6.49.3 or higher.</p>

Race Condition Affecting docker package, versions <20.10.6_ce-6.49.3

Threat Intelligence

0.21% (60^th percentile)

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Snyk ID SNYK-SLES150-DOCKER-2674942
published 14 Apr 2022
disclosed 11 Jun 2021

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Introduced: 11 Jun 2021

CVE-2021-30465 Open this link in a new tab CWE-362 Open this link in a new tab

How to fix?

Upgrade SLES:15.0 docker to version 20.10.6_ce-6.49.3 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream docker package and not the docker package as distributed by SLES. See How to fix? for SLES:15.0 relevant fixed versions and status.

runc before 1.0.0-rc95 allows a Container Filesystem Breakout via Directory Traversal. To exploit the vulnerability, an attacker must be able to create multiple containers with a fairly specific mount configuration. The problem occurs via a symlink-exchange attack that relies on a race condition.

References

CVSS Scores

version 3.1

Attack Vector (AV)

Network
Attack Complexity (AC)

High
Privileges Required (PR)

Low
User Interaction (UI)

None

Scope (S)

Changed

Confidentiality (C)

High
Integrity (I)

High
Availability (A)

High

Race Condition Affecting docker package, versions <20.10.6_ce-6.49.3

Severity

Based on SUSE Linux Enterprise Server security rating