CVE-2022-50407

MEDIUM EPSS 5.5%
Published Sep 18, 20259mo ago · Modified Jun 17, 20262w ago
5.5 CVSS 3.1
Medium
Find Similar
Published Sep 18, 2025 9mo ago
Last Modified Jun 17, 2026 2w ago

Description

In the Linux kernel, the following vulnerability has been resolved: crypto: hisilicon/qm - increase the memory of local variables Increase the buffer to prevent stack overflow by fuzz test. The maximum length of the qos configuration buffer is 256 bytes. Currently, the value of the 'val buffer' is only 32 bytes. The sscanf does not check the dest memory length. So the 'val buffer' may stack overflow.

CVSS Details

Base Score
5.5
Exploitability
1.8
Impact
3.6
Vector string
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Attack Vector Local
Attack Complexity Low
Privileges Required Low
User Interaction None
Scope Unchanged
Confidentiality None
Integrity None
Availability High

Threat Intelligence

EPSS Exploit Probability
5.5% percentile
Exploit & Patch Status
No Known Exploit
Patch Available

Weaknesses 1

CWE-674

Affected Products 2

VendorProductVersionRange
linuxlinux_kernel*≥5.4  –  <6.0.16
linuxlinux_kernel*≥6.1  –  <6.1.2

References 3

  • git.kernel.org https://git.kernel.org/stable/c/34c4f8ad45b4ea814c7ecc3f23a2d292959d5a52
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/3efe90af4c0c46c58dba1b306de142827153d9c0
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/fc521abb6ee4b8f06fdfc52646140dab6a2ed334
    Patch

Remediation

  • git.kernel.org https://git.kernel.org/stable/c/34c4f8ad45b4ea814c7ecc3f23a2d292959d5a52
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/3efe90af4c0c46c58dba1b306de142827153d9c0
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/fc521abb6ee4b8f06fdfc52646140dab6a2ed334
    Patch