CVE-2023-53407

MEDIUM

Linux Kernel - Use-After-Free in pxa27x_udc USB Gadget DebugFS Handling

Title source: llm
STIX 2.1

Description

In the Linux kernel, the following vulnerability has been resolved: USB: gadget: pxa27x_udc: fix memory leak with using debugfs_lookup() When calling debugfs_lookup() the result must have dput() called on it, otherwise the memory will leak over time. To make things simpler, just call debugfs_lookup_and_remove() instead which handles all of the logic at once.

Scores

CVSS v3 5.5
EPSS 0.0014
EPSS Percentile 3.4%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact partial

Details

CWE
CWE-401
Status published
Products (11)
Linux/Linux < 5.14
Linux/Linux 5.14
Linux/Linux 5.15.100 - 5.15.*
Linux/Linux 6.1.18 - 6.1.*
Linux/Linux 6.2.5 - 6.2.*
Linux/Linux 6.3
Linux/Linux 8efd88f946017b69af67931a133b6dce92c27fd0 - 67c931a3f2f061bf457995fd21fff114325e0c30
Linux/Linux 8efd88f946017b69af67931a133b6dce92c27fd0 - 7a6952fa0366d4408eb8695af1a0578c39ec718a
Linux/Linux 8efd88f946017b69af67931a133b6dce92c27fd0 - 8da78a60f3323ce7aac589d49fb82f71a04bc835
Linux/Linux 8efd88f946017b69af67931a133b6dce92c27fd0 - b14d188d0d0b86e2180525aefd570dbb6ebd6aa9
... and 1 more
Published Sep 18, 2025
Tracked Since Feb 18, 2026