Use After Free Affecting kernel-cross-headers package, versions <0:4.18.0-193.6.3.el8_2


Severity

Recommended
0.0
high
0
10

Based on Oracle Linux security rating.

Threat Intelligence

EPSS
0.12% (33rd percentile)

Do your applications use this vulnerable package?

In a few clicks we can analyze your entire application and see what components are vulnerable in your application, and suggest you quick fixes.

Test your applications
  • Snyk IDSNYK-ORACLE8-KERNELCROSSHEADERS-2555990
  • published10 Apr 2022
  • 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 Oracle:8 kernel-cross-headers to version 0:4.18.0-193.6.3.el8_2 or higher.
This issue was patched in ELSA-2020-2427.

NVD Description

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

version 3.1