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Allocation of Resources Without Limits or Throttling Affecting systemd package, versions <237-3ubuntu10.49

high

Snyk CVSS

    Attack Complexity Low
    Availability High

    Threat Intelligence

    EPSS 0.04% (10th percentile)
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NVD
5.5 medium
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SUSE
5.5 medium
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Red Hat
5.5 medium

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  • Snyk ID SNYK-UBUNTU1804-SYSTEMD-1320128
  • published 20 Jul 2021
  • disclosed 20 Jul 2021
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Introduced: 20 Jul 2021

CVE-2021-33910 Open this link in a new tab
CWE-770 Open this link in a new tab

How to fix?

Upgrade Ubuntu:18.04 systemd to version 237-3ubuntu10.49 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream systemd package and not the systemd package as distributed by Ubuntu. See How to fix? for Ubuntu:18.04 relevant fixed versions and status.

basic/unit-name.c in systemd prior to 246.15, 247.8, 248.5, and 249.1 has a Memory Allocation with an Excessive Size Value (involving strdupa and alloca for a pathname controlled by a local attacker) that results in an operating system crash.

References