Allocation of Resources Without Limits or Throttling Affecting linux-qemu-melange package, versions <6.18.16-r0


Severity

Recommended
0.0
medium
0
10

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Threat Intelligence

EPSS
0.35% (27th percentile)

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  • Snyk IDSNYK-CHAINGUARDLATEST-LINUXQEMUMELANGE-15338421
  • published24 Feb 2026
  • disclosed23 Aug 2022

Introduced: 23 Aug 2022

CVE-2021-3759  (opens in a new tab)
CWE-770  (opens in a new tab)

How to fix?

Upgrade Chainguard linux-qemu-melange to version 6.18.16-r0 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream linux-qemu-melange package and not the linux-qemu-melange package as distributed by Chainguard. See How to fix? for Chainguard relevant fixed versions and status.

A memory overflow vulnerability was found in the Linux kernel’s ipc functionality of the memcg subsystem, in the way a user calls the semget function multiple times, creating semaphores. This flaw allows a local user to starve the resources, causing a denial of service. The highest threat from this vulnerability is to system availability.

CVSS Base Scores

version 3.1