CVE-2022-49657: linux kernel — Fix

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

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CVSS v3.1 Score

5.5

MEDIUM

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Weakness Type (CWE)

CWE-401 CWE-401

Affected Products

Vendor	Product	Versions
linux	linux_kernel	3.8 — 4.9.323
linux	linux_kernel	4.10 — 4.14.288
linux	linux_kernel	4.15 — 4.19.252
linux	linux_kernel	4.20 — 5.4.205
linux	linux_kernel	5.5 — 5.10.130
linux	linux_kernel	5.11 — 5.15.54
linux	linux_kernel	5.16 — 5.18.11
linux	linux_kernel	All
linux	linux_kernel	All
linux	linux_kernel	All
linux	linux_kernel	All
linux	linux_kernel	All

References

Advisories & Patches

https://git.kernel.org/stable/c/0085da9df3dced730027923a6b48f58e9016af91 https://git.kernel.org/stable/c/04894ab34faf40ab72a8a5ab5b404bb0606bbbff https://git.kernel.org/stable/c/3eed421ca5c809da93456f69203d164d5220be3d https://git.kernel.org/stable/c/5269209f54dd8dfd15f9383f3a3a1fe8370764f8 https://git.kernel.org/stable/c/b55a21b764c1e182014630fa5486d717484ac58f https://git.kernel.org/stable/c/d5165e657987ff4ba0ace896d4376a3718a9fbc3 https://git.kernel.org/stable/c/db89582ff330556188da856e01382ccbf3a5e706 https://git.kernel.org/stable/c/e7b4f69946a38209b4a4f660bf0e4cbed94f9b4b

Frequently Asked Questions

What is CVE-2022-49657? +

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 It has a CVSS v3.1 base score of 5.5 (MEDIUM).

How severe is CVE-2022-49657? +

CVE-2022-49657 has a CVSS v3.1 score of 5.5 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance.

What products are affected by CVE-2022-49657? +

CVE-2022-49657 affects products from linux, specifically: linux_kernel. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2022-49657? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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