CVE-2022-50019
tty: serial: Fix refcount leak bug in ucc_uart.c
Description
In the Linux kernel, the following vulnerability has been resolved: tty: serial: Fix refcount leak bug in ucc_uart.c In soc_info(), of_find_node_by_type() will return a node pointer with refcount incremented. We should use of_node_put() when it is not used anymore.
INFO
Published Date :
June 18, 2025, 11:15 a.m.
Last Modified :
Nov. 13, 2025, 7:32 p.m.
Remotely Exploit :
No
Source :
416baaa9-dc9f-4396-8d5f-8c081fb06d67
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 3.1 | MEDIUM | [email protected] |
Solution
- Update the Linux kernel to the latest stable version.
- Review and apply relevant patches to the tty/serial drivers.
- Recompile and deploy the updated kernel.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2022-50019.
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2022-50019 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2022-50019
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2022-50019 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2022-50019 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
Initial Analysis by [email protected]
Nov. 13, 2025
Action Type Old Value New Value Added CVSS V3.1 AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H Added CWE NVD-CWE-Other Added CPE Configuration OR *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 5.5 up to (excluding) 5.10.138 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 5.11 up to (excluding) 5.15.63 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 5.16 up to (excluding) 5.19.4 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 4.10 up to (excluding) 4.14.291 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 4.15 up to (excluding) 4.19.256 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 4.20 up to (excluding) 5.4.211 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 2.6.25 up to (excluding) 4.9.326 Added Reference Type kernel.org: https://git.kernel.org/stable/c/17c32546166d8a7d2579c4b57c8b16241f94a66b Types: Patch Added Reference Type kernel.org: https://git.kernel.org/stable/c/59bc4c19d53bdac61ec952c01c6e864f5f0f8367 Types: Patch Added Reference Type kernel.org: https://git.kernel.org/stable/c/81939c4fbc2d5c754d0f1c1f05149d4b70d751ed Types: Patch Added Reference Type kernel.org: https://git.kernel.org/stable/c/8245e7d1d7f75a9255ad1e8146752e5051d528b8 Types: Patch Added Reference Type kernel.org: https://git.kernel.org/stable/c/ca3fc1c38e4253bc019881301a28ea60b8b0bca3 Types: Patch Added Reference Type kernel.org: https://git.kernel.org/stable/c/d24d7bb2cd947676f9b71fb944d045e09b8b282f Types: Patch Added Reference Type kernel.org: https://git.kernel.org/stable/c/ec56f886f3bf0f15f7a3844d4c025e165b8e8de7 Types: Patch Added Reference Type kernel.org: https://git.kernel.org/stable/c/f6ed634eedb1a8a6a8cb110a7695c7abb70ffcbf Types: Patch -
New CVE Received by 416baaa9-dc9f-4396-8d5f-8c081fb06d67
Jun. 18, 2025
Action Type Old Value New Value Added Description In the Linux kernel, the following vulnerability has been resolved: tty: serial: Fix refcount leak bug in ucc_uart.c In soc_info(), of_find_node_by_type() will return a node pointer with refcount incremented. We should use of_node_put() when it is not used anymore. Added Reference https://git.kernel.org/stable/c/17c32546166d8a7d2579c4b57c8b16241f94a66b Added Reference https://git.kernel.org/stable/c/59bc4c19d53bdac61ec952c01c6e864f5f0f8367 Added Reference https://git.kernel.org/stable/c/81939c4fbc2d5c754d0f1c1f05149d4b70d751ed Added Reference https://git.kernel.org/stable/c/8245e7d1d7f75a9255ad1e8146752e5051d528b8 Added Reference https://git.kernel.org/stable/c/ca3fc1c38e4253bc019881301a28ea60b8b0bca3 Added Reference https://git.kernel.org/stable/c/d24d7bb2cd947676f9b71fb944d045e09b8b282f Added Reference https://git.kernel.org/stable/c/ec56f886f3bf0f15f7a3844d4c025e165b8e8de7 Added Reference https://git.kernel.org/stable/c/f6ed634eedb1a8a6a8cb110a7695c7abb70ffcbf