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CVE-2022-48627

kernel: vt: fix memory overlapping when deleting chars in the buffer

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Severity

Moderate

Red Hat Product Security

4.4

CVSS 3.1

Review impact separately from score.

Published · March 2, 2024

Updated · June 28, 2026

Description

A flaw was found in the Linux kernel's virtual terminal driver which causes a memory overlapping copy to occur, this overlapping copy can lead to data corruption and could potentially allow an attacker interacting with a virtual terminal to corrupt or expose system memory.

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

Red Hat has investigated whether a possible mitigation exists for this issue, and has not been able to identify a practical example. Please update the affected package as soon as possible.

CVSS / CWE

CVSS 3.1 · 4.4
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N

CWE-1260 · Improper Handling of Overlap Between Protected Memory Ranges