Allocation of Resources Without Limits or Throttling Affecting kernel-abi-stablelists package, versions <0:4.18.0-372.9.1.el8


Severity

Recommended
high

Based on AlmaLinux security rating.

Threat Intelligence

EPSS
0.04% (6th percentile)

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  • Snyk IDSNYK-ALMALINUX8-KERNELABISTABLELISTS-5639982
  • published28 May 2023
  • disclosed10 May 2022

Introduced: 10 May 2022

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

How to fix?

Upgrade AlmaLinux:8 kernel-abi-stablelists to version 0:4.18.0-372.9.1.el8 or higher.
This issue was patched in ALSA-2022:1988.

NVD Description

Note: Versions mentioned in the description apply only to the upstream kernel-abi-stablelists package and not the kernel-abi-stablelists package as distributed by AlmaLinux. See How to fix? for AlmaLinux:8 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 Scores

version 3.1