Use After Free Affecting kernel-modules package, versions <0:4.18.0-240.22.1.el8_3


Severity

Recommended
0.0
high
0
10

Based on Oracle Linux security rating.

Threat Intelligence

EPSS
0.04% (16th percentile)

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  • Snyk IDSNYK-ORACLE8-KERNELMODULES-2578712
  • published10 Apr 2022
  • disclosed14 Dec 2020

Introduced: 14 Dec 2020

CVE-2020-0466  (opens in a new tab)
CWE-416  (opens in a new tab)

How to fix?

Upgrade Oracle:8 kernel-modules to version 0:4.18.0-240.22.1.el8_3 or higher.
This issue was patched in ELSA-2021-1093.

NVD Description

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

In do_epoll_ctl and ep_loop_check_proc of eventpoll.c, there is a possible use after free due to a logic error. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android kernelAndroid ID: A-147802478References: Upstream kernel

CVSS Scores

version 3.1