CVE-2022-50758
kernel: Kernel: Memory leak in vt6655 driver via improper memory deallocation
Severity
ImportantRed Hat Product Security
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 · 7.8CVSS: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