CVE Database›CVE-2022-48870

CVE-2022-48870

kernel: tty: fix possible null-ptr-defer in spk_ttyio_release

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Severity

Moderate

Red Hat Product Security

5.5

CVSS 3.1

Review impact separately from score.

Published · August 21, 2024

Updated · February 2, 2026

Description

A vulnerability was found in the Linux kernel spk_ttyio.c driver where a lack of proper checks could result in a NULL pointer dereference which can occur if the structure in_synth->dev is not initialized during modprobe. This can lead to memory corruption and system instability.

Statement

Red Hat Enterprise Linux is not impacted by this CVE, as the vulnerability in question does not affect the specific versions or configurations of the Linux kernel used in its distributions. This ensures that users of Red Hat Enterprise Linux are not exposed to the potential risks associated with this issue, and no further action or mitigation is necessary for systems running this operating 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 · 5.5
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

CWE-476 · NULL Pointer Dereference