Resource Exhaustion Affecting kernel-abi-whitelists package, versions <0:4.18.0-147.el8


Severity

Recommended
high

Based on CentOS security rating

    Threat Intelligence

    EPSS
    1.41% (87th percentile)

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  • Snyk ID SNYK-CENTOS8-KERNELABIWHITELISTS-1998645
  • published 26 Jul 2021
  • disclosed 4 Sep 2019

How to fix?

Upgrade Centos:8 kernel-abi-whitelists to version 0:4.18.0-147.el8 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream kernel-abi-whitelists package and not the kernel-abi-whitelists package as distributed by Centos. See How to fix? for Centos:8 relevant fixed versions and status.

An issue was discovered in the Linux kernel before 5.0.1. There is a memory leak in register_queue_kobjects() in net/core/net-sysfs.c, which will cause denial of service.

CVSS Scores

version 3.1
Expand this section

NVD

7.5 high
  • Attack Vector (AV)
    Network
  • Attack Complexity (AC)
    Low
  • Privileges Required (PR)
    None
  • User Interaction (UI)
    None
  • Scope (S)
    Unchanged
  • Confidentiality (C)
    None
  • Integrity (I)
    None
  • Availability (A)
    High