Out-of-bounds Read Affecting kernel-modules package, versions <0:4.18.0-372.9.1.el8


Severity

Recommended
high

Based on Oracle Linux security rating.

Threat Intelligence

EPSS
0.04% (6th percentile)

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  • Snyk IDSNYK-ORACLE8-KERNELMODULES-2830182
  • published18 May 2022
  • disclosed25 Oct 2021

Introduced: 25 Oct 2021

CVE-2021-0941  (opens in a new tab)
CWE-125  (opens in a new tab)
CWE-416  (opens in a new tab)

How to fix?

Upgrade Oracle:8 kernel-modules to version 0:4.18.0-372.9.1.el8 or higher.
This issue was patched in ELSA-2022-1988.

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 bpf_skb_change_head of filter.c, there is a possible out of bounds read due to a use after free. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android kernelAndroid ID: A-154177719References: Upstream kernel

CVSS Scores

version 3.1