Incorrect Calculation of Buffer Size Affecting redhat-virtualization-host-image-update package, versions <0:4.5.3-202306050942_8.6


Severity

Recommended
0.0
high
0
10

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
0.44% (37th percentile)

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  • Snyk IDSNYK-RHEL8-REDHATVIRTUALIZATIONHOSTIMAGEUPDATE-5669115
  • published12 Dec 2022
  • disclosed9 Dec 2022

Introduced: 9 Dec 2022

CVE-2022-4378  (opens in a new tab)
CWE-131  (opens in a new tab)

How to fix?

Upgrade RHEL:8 redhat-virtualization-host-image-update to version 0:4.5.3-202306050942_8.6 or higher.
This issue was patched in RHSA-2023:3491.

NVD Description

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

A stack overflow flaw was found in the Linux kernel's SYSCTL subsystem in how a user changes certain kernel parameters and variables. This flaw allows a local user to crash or potentially escalate their privileges on the system.

CVSS Base Scores

version 3.1