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CVE-2022-50138
"QEDR Memory Leak in __qedr_alloc_mr"
Description

In the Linux kernel, the following vulnerability has been resolved: RDMA/qedr: Fix potential memory leak in __qedr_alloc_mr() __qedr_alloc_mr() allocates a memory chunk for "mr->info.pbl_table" with init_mr_info(). When rdma_alloc_tid() and rdma_register_tid() fail, "mr" is released while "mr->info.pbl_table" is not released, which will lead to a memory leak. We should release the "mr->info.pbl_table" with qedr_free_pbl() when error occurs to fix the memory leak.

INFO

Published Date :

June 18, 2025, 11:15 a.m.

Last Modified :

June 18, 2025, 1:47 p.m.

Remotely Exploit :

No

Source :

416baaa9-dc9f-4396-8d5f-8c081fb06d67
Affected Products

The following products are affected by CVE-2022-50138 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Linux linux_kernel
: Total Affected Vendor : 1 | Products : 1
Solution
The Linux kernel has a memory leak vulnerability; update packages to resolve.
  • Update the affected packages.
  • Reboot the system after updating.
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-2022-50138.

URL Resource
https://git.kernel.org/stable/c/07ba048df306dc93fc4d2ef670b9e24644a2069f
https://git.kernel.org/stable/c/79ce50dddaf28b5c57911ecc80a2be17a0b17f83
https://git.kernel.org/stable/c/7e647a8d5fc0a2c8e0f36f585a6388286a25bb15
https://git.kernel.org/stable/c/b3236a64ddd125a455ef5b5316c1b9051b732974
https://git.kernel.org/stable/c/b4c9f7db9f0148423557539af0fdf513338efe08
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2022-50138 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-2022-50138 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-2022-50138 vulnerability anywhere in the article.

Results are limited to the first 20 news articles due to potential performance issues.

The following table lists the changes that have been made to the CVE-2022-50138 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.

  • 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: RDMA/qedr: Fix potential memory leak in __qedr_alloc_mr() __qedr_alloc_mr() allocates a memory chunk for "mr->info.pbl_table" with init_mr_info(). When rdma_alloc_tid() and rdma_register_tid() fail, "mr" is released while "mr->info.pbl_table" is not released, which will lead to a memory leak. We should release the "mr->info.pbl_table" with qedr_free_pbl() when error occurs to fix the memory leak.
    Added Reference https://git.kernel.org/stable/c/07ba048df306dc93fc4d2ef670b9e24644a2069f
    Added Reference https://git.kernel.org/stable/c/79ce50dddaf28b5c57911ecc80a2be17a0b17f83
    Added Reference https://git.kernel.org/stable/c/7e647a8d5fc0a2c8e0f36f585a6388286a25bb15
    Added Reference https://git.kernel.org/stable/c/b3236a64ddd125a455ef5b5316c1b9051b732974
    Added Reference https://git.kernel.org/stable/c/b4c9f7db9f0148423557539af0fdf513338efe08
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
Vulnerability Scoring Details
No CVSS metrics available for this vulnerability.