CVE Database›CVE-2022-50758

CVE-2022-50758

kernel: Kernel: Memory leak in vt6655 driver via improper memory deallocation

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Severity

Important

Red Hat Product Security

7.8

CVSS 3.1

Review impact separately from score.

Published · December 24, 2025

Updated · August 20, 2026

Description

A flaw was found in the Linux kernel's vt6655 driver. During memory allocation failure within the device_init_td0_ring function, a specific memory block is not properly deallocated due to an error in the memory freeing loop. A local attacker could exploit this flaw, leading to a memory leak and potentially a Denial of Service (DoS) due to resource exhaustion.

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 · 7.8
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CWE-772 · Missing Release of Resource after Effective Lifetime