CVE-2023-53390

MEDIUM

Linux Kernel - Use-After-Free via debugfs_lookup Memory Leak

Title source: llm
STIX 2.1

Description

In the Linux kernel, the following vulnerability has been resolved: drivers: base: dd: 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 3.3%
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 < 5.13
Linux/Linux 2942df675128b156b0bc8571e2cb2d006fc26e84 - 36c893d3a759ae7c91ee7d4871ebfc7504f08c40
Linux/Linux 2942df675128b156b0bc8571e2cb2d006fc26e84 - 5a7a9efdb193d3c8a35821548a8e99612c358828
Linux/Linux 2942df675128b156b0bc8571e2cb2d006fc26e84 - 7f1e53f88e8babf293ec052b70aa9d2a3554360c
Linux/Linux 2942df675128b156b0bc8571e2cb2d006fc26e84 - 8e47e2bf78812adbd73c45c941d3c51add30b58d
Linux/Linux 5.13
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
... and 1 more
Published Sep 18, 2025
Tracked Since Feb 18, 2026