Out-of-bounds Write Affecting kpatch-patch-5_14_0-362_8_1 package, versions <0:1-2.el9_3


Severity

Recommended
0.0
high
0
10

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
0.34% (27th percentile)

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  • Snyk IDSNYK-RHEL9-KPATCHPATCH514036281-13070034
  • published26 Sept 2025
  • disclosed22 Oct 2022

Introduced: 22 Oct 2022

CVE-2023-3812  (opens in a new tab)
CWE-787  (opens in a new tab)

How to fix?

Upgrade RHEL:9 kpatch-patch-5_14_0-362_8_1 to version 0:1-2.el9_3 or higher.
This issue was patched in RHSA-2024:0340.

NVD Description

Note: Versions mentioned in the description apply only to the upstream kpatch-patch-5_14_0-362_8_1 package and not the kpatch-patch-5_14_0-362_8_1 package as distributed by RHEL. See How to fix? for RHEL:9 relevant fixed versions and status.

An out-of-bounds memory access flaw was found in the Linux kernel’s TUN/TAP device driver functionality in how a user generates a malicious (too big) networking packet when napi frags is enabled. This flaw allows a local user to crash or potentially escalate their privileges on the system.

CVSS Base Scores

version 3.1