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CVE-2026-43197

kernel: netconsole: avoid OOB reads, msg is not nul-terminated

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Severity

Moderate

Red Hat Product Security

6.1

CVSS 3.1

Review impact separately from score.

Published · May 6, 2026

Updated · July 2, 2026

Description

A flaw was found in the Linux kernel's netconsole component. The system processes messages from the console subsystem without ensuring they are properly terminated, which can lead to an out-of-bounds read. This vulnerability allows a local attacker to trigger a kernel crash, resulting in a Denial of Service (DoS) for the affected system.

CVSS score applicability

The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.

Mitigation

No mitigation is specified in collected source.

CVSS / CWE

CVSS 3.1 · 6.1
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:H

CWE-170 · Improper Null Termination