5.5
MEDIUM CVSS 3.1
CVE-2022-49657
Linux Kernel USBnet Memory Leak
Description

In the Linux kernel, the following vulnerability has been resolved: usbnet: fix memory leak in error case usbnet_write_cmd_async() mixed up which buffers need to be freed in which error case. v2: add Fixes tag v3: fix uninitialized buf pointer

INFO

Published Date :

Feb. 26, 2025, 7:01 a.m.

Last Modified :

March 11, 2025, 10:25 p.m.

Remotely Exploit :

No

Source :

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

The following products are affected by CVE-2022-49657 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
CVSS Scores
The Common Vulnerability Scoring System is a standardized framework for assessing the severity of vulnerabilities in software and systems. We collect and displays CVSS scores from various sources for each CVE.
Score Version Severity Vector Exploitability Score Impact Score Source
CVSS 3.1 MEDIUM [email protected]
Solution
Resolve memory leaks in usbnet by correcting buffer freeing logic.
  • Update the Linux kernel to a version with the fix.
  • Review buffer management in usbnet error handling.
  • Ensure all buffers are freed correctly.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2022-49657 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-2022-49657 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-2022-49657 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2022-49657 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]

    Mar. 11, 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 CWE-401
    Added CPE Configuration OR *cpe:2.3:o:linux:linux_kernel:5.19:rc1:*:*:*:*:*:* *cpe:2.3:o:linux:linux_kernel:5.19:rc2:*:*:*:*:*:* *cpe:2.3:o:linux:linux_kernel:5.19:rc3:*:*:*:*:*:* *cpe:2.3:o:linux:linux_kernel:5.19:rc4:*:*:*:*:*:* *cpe:2.3:o:linux:linux_kernel:5.19:rc5:*:*:*:*:*:* *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 5.11 from (excluding) 5.15.54 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 3.8 from (excluding) 4.9.323 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 4.10 from (excluding) 4.14.288 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 4.15 from (excluding) 4.19.252 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 4.20 from (excluding) 5.4.205 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 5.5 from (excluding) 5.10.130 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 5.16 from (excluding) 5.18.11
    Added Reference Type kernel.org: https://git.kernel.org/stable/c/0085da9df3dced730027923a6b48f58e9016af91 Types: Patch
    Added Reference Type kernel.org: https://git.kernel.org/stable/c/04894ab34faf40ab72a8a5ab5b404bb0606bbbff Types: Patch
    Added Reference Type kernel.org: https://git.kernel.org/stable/c/3eed421ca5c809da93456f69203d164d5220be3d Types: Patch
    Added Reference Type kernel.org: https://git.kernel.org/stable/c/5269209f54dd8dfd15f9383f3a3a1fe8370764f8 Types: Patch
    Added Reference Type kernel.org: https://git.kernel.org/stable/c/b55a21b764c1e182014630fa5486d717484ac58f Types: Patch
    Added Reference Type kernel.org: https://git.kernel.org/stable/c/d5165e657987ff4ba0ace896d4376a3718a9fbc3 Types: Patch
    Added Reference Type kernel.org: https://git.kernel.org/stable/c/db89582ff330556188da856e01382ccbf3a5e706 Types: Patch
    Added Reference Type kernel.org: https://git.kernel.org/stable/c/e7b4f69946a38209b4a4f660bf0e4cbed94f9b4b Types: Patch
  • New CVE Received by 416baaa9-dc9f-4396-8d5f-8c081fb06d67

    Feb. 26, 2025

    Action Type Old Value New Value
    Added Description In the Linux kernel, the following vulnerability has been resolved: usbnet: fix memory leak in error case usbnet_write_cmd_async() mixed up which buffers need to be freed in which error case. v2: add Fixes tag v3: fix uninitialized buf pointer
    Added Reference https://git.kernel.org/stable/c/0085da9df3dced730027923a6b48f58e9016af91
    Added Reference https://git.kernel.org/stable/c/04894ab34faf40ab72a8a5ab5b404bb0606bbbff
    Added Reference https://git.kernel.org/stable/c/3eed421ca5c809da93456f69203d164d5220be3d
    Added Reference https://git.kernel.org/stable/c/5269209f54dd8dfd15f9383f3a3a1fe8370764f8
    Added Reference https://git.kernel.org/stable/c/b55a21b764c1e182014630fa5486d717484ac58f
    Added Reference https://git.kernel.org/stable/c/d5165e657987ff4ba0ace896d4376a3718a9fbc3
    Added Reference https://git.kernel.org/stable/c/db89582ff330556188da856e01382ccbf3a5e706
    Added Reference https://git.kernel.org/stable/c/e7b4f69946a38209b4a4f660bf0e4cbed94f9b4b
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
Base CVSS Score: 5.5
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality Impact
Integrity Impact
Availability Impact