Out-of-Bounds Affecting kernel-core package, versions <0:4.18.0-553.el8_10


Severity

Recommended
medium

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
0.04% (5th percentile)

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  • Snyk IDSNYK-RHEL8-KERNELCORE-2338883
  • published13 Jan 2022
  • disclosed11 Jan 2022

Introduced: 11 Jan 2022

CVE-2021-4204  (opens in a new tab)
CWE-119  (opens in a new tab)

How to fix?

Upgrade RHEL:8 kernel-core to version 0:4.18.0-553.el8_10 or higher.
This issue was patched in RHSA-2024:3138.

NVD Description

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

An out-of-bounds (OOB) memory access flaw was found in the Linux kernel's eBPF due to an Improper Input Validation. This flaw allows a local attacker with a special privilege to crash the system or leak internal information.

CVSS Scores

version 3.1