PT-2025-25945 · Linux+3 · Linux Kernel+3

Published 2022-06-18 · Updated 2025-11-13 · CVE-2022-50019

Positive Technologies (AI Summary)

CVSS v3.1

5.5

Medium

Base vector

AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Name of the Vulnerable Software and Affected Versions Linux kernel (affected versions not specified)

Description A refcount leak bug was found in the Linux kernel, specifically in the ucc uart.c file. The issue arises in the soc info() function where of find node by type() returns a node pointer with an incremented refcount. To properly handle this, of node put() should be used when the node is no longer in use.

Recommendations For the Linux kernel, apply the fix for the refcount leak bug in ucc uart.c by utilizing of node put() when the node pointer is not used anymore. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

Weakness Enumeration

CWE-911

Related Identifiers

ALSA-2025_12746

ALSA-2025_12752

ALSA-2025_12753

ALSA-2025_16880

BDU:2026-03374

CVE-2022-50019

RHSA-2024:9315

RHSA-2024_9315

SUSE-SU-2025:02264-1

SUSE-SU-2025:02308-1

SUSE-SU-2025:02320-1

SUSE-SU-2025:02321-1

SUSE-SU-2025:02322-1

SUSE-SU-2025:02537-1

SUSE-SU-2025:2264-1

SUSE-SU-2025_02264-1

SUSE-SU-2025_02308-1

SUSE-SU-2025_02537-1

Affected Products

Astra Linux

Linux Kernel

Red Hat

Suse

References · 612

• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/50xxx/CVE-2022-50019.json · Exploit
• https://git.kernel.org/stable/c/ca3fc1c38e4253bc019881301a28ea60b8b0bca3 · Patch
• https://ubuntu.com/security/CVE-2022-50019 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2025:02308-1 · Vendor Advisory
• https://git.kernel.org/stable/c/d24d7bb2cd947676f9b71fb944d045e09b8b282f · Patch
• https://security-tracker.debian.org/tracker/CVE-2022-50019 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2025:02537-1 · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2022-50019 · Vendor Advisory
• https://git.kernel.org/stable/c/17c32546166d8a7d2579c4b57c8b16241f94a66b · Patch
• https://git.kernel.org/stable/c/81939c4fbc2d5c754d0f1c1f05149d4b70d751ed · Patch
• https://git.kernel.org/stable/c/59bc4c19d53bdac61ec952c01c6e864f5f0f8367 · Patch
• https://git.kernel.org/stable/c/ec56f886f3bf0f15f7a3844d4c025e165b8e8de7 · Patch
• https://osv.dev/vulnerability/SUSE-SU-2025:02264-1 · Vendor Advisory
• https://bdu.fstec.ru/vul/2026-03374 · Security Note
• https://cve.org/CVERecord?id=CVE-2022-50019 · Security Note