Memory Leak Vulnerability in Linux Kernel USB Component by The Linux Foundation
CVE-2023-53404

5.5MEDIUM

Key Information:

Vendor

Linux

Status
Vendor
CVE Published:
18 September 2025

What is CVE-2023-53404?

A memory leak vulnerability in the USB component of the Linux kernel has been addressed. When debugfs_lookup() is invoked, it’s crucial to ensure that dput() is called on the result to prevent accumulated memory leaks over time. The recommended approach to avoid this issue is to use debugfs_lookup_and_remove(), which simplifies the process by managing the necessary logic, thereby enhancing the stability and performance of the system.

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Affected Version(s)

Linux 0f60203d2142e759ac3913bb63017645ddf49f94 < 4a71b15744b8f286718722f80b663c06ed909d8a

Linux 0f60203d2142e759ac3913bb63017645ddf49f94 < 7d2d3bef6d700eb4261fb6761de2c95a9e3c0ac8

Linux 0f60203d2142e759ac3913bb63017645ddf49f94 < 55c2ffc534928f4732199617e3b746d79a57898f

References

CVSS V3.1

Score:
5.5
Severity:
MEDIUM
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Local
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.