Use After Free Affecting kernel-rt-trace-devel package, versions <0:3.10.0-1160.15.2.rt56.1152.el7


Severity

Recommended
0.0
medium
0
10

Based on CentOS security rating.

Threat Intelligence

EPSS
0.04% (6th percentile)

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  • Snyk IDSNYK-CENTOS7-KERNELRTTRACEDEVEL-2180748
  • published26 Jul 2021
  • disclosed8 Jun 2020

Introduced: 8 Jun 2020

CVE-2020-15436  (opens in a new tab)
CWE-416  (opens in a new tab)

How to fix?

Upgrade Centos:7 kernel-rt-trace-devel to version 0:3.10.0-1160.15.2.rt56.1152.el7 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream kernel-rt-trace-devel package and not the kernel-rt-trace-devel package as distributed by Centos. See How to fix? for Centos:7 relevant fixed versions and status.

Use-after-free vulnerability in fs/block_dev.c in the Linux kernel before 5.8 allows local users to gain privileges or cause a denial of service by leveraging improper access to a certain error field.

CVSS Scores

version 3.1