Use After Free Affecting kernel-tools-libs-devel package, versions <0:4.18.0-193.6.3.el8_2


Severity

Recommended
0.0
high
0
10

Based on CentOS security rating.

Threat Intelligence

EPSS
0.05% (16th percentile)

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  • Snyk IDSNYK-CENTOS8-KERNELTOOLSLIBSDEVEL-2040210
  • published26 Jul 2021
  • disclosed5 May 2020

Introduced: 5 May 2020

CVE-2020-12657  (opens in a new tab)
CWE-416  (opens in a new tab)

How to fix?

Upgrade Centos:8 kernel-tools-libs-devel to version 0:4.18.0-193.6.3.el8_2 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream kernel-tools-libs-devel package and not the kernel-tools-libs-devel 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 5.6.5. There is a use-after-free in block/bfq-iosched.c related to bfq_idle_slice_timer_body.

CVSS Scores

version 3.1