CVE-2024-36931

kernel: s390/cio: Ensure the copied buf is NUL terminated

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Severity

Moderate

Red Hat Product Security

5.5

CVSS 3.1

Review impact separately from score.

Published · May 30, 2024

Updated · June 26, 2026

Description

A flaw was found in the Linux kernel’s cio_inject module. Data from the user space is copied to a kernel buffer without making sure it is NULL terminated, causing an out-of-bounds read and resulting in a denial of service.

Statement

The cio_inject module is not built in the kernel shipped in Red Hat Enterprise Linux, so it is not affected by this vulnerability.

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 · 5.5
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

CWE-170 · Improper Null Termination