Use After Free Affecting kernel-tools-libs package, versions <0:3.10.0-1160.15.2.el7


Severity

Recommended
0.0
medium
0
10

Based on Oracle Linux security rating.

Threat Intelligence

EPSS
0.93% (56th percentile)

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  • Snyk IDSNYK-ORACLE7-KERNELTOOLSLIBS-2580214
  • published10 Apr 2022
  • disclosed23 Nov 2020

Introduced: 23 Nov 2020

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

How to fix?

Upgrade Oracle:7 kernel-tools-libs to version 0:3.10.0-1160.15.2.el7 or higher.
This issue was patched in ELSA-2021-0336.

NVD Description

Note: Versions mentioned in the description apply only to the upstream kernel-tools-libs package and not the kernel-tools-libs package as distributed by Oracle. See How to fix? for Oracle: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 Base Scores

version 3.1