CVE-2023-53409

MEDIUM

Linux Kernel < 5.15.100 - Use-After-Free in debugfs_lookup

Title source: llm
STIX 2.1

Description

In the Linux kernel, the following vulnerability has been resolved: drivers: base: component: 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 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
Linux/Linux c654cea59dbc352fceafddd44893f3523fdcc08e - 09709a49283f79184c998d6dafcc01590e4d654d
Linux/Linux c654cea59dbc352fceafddd44893f3523fdcc08e - 79ac2b01e033181e21cc84216ace1f4160eb8950
Linux/Linux c654cea59dbc352fceafddd44893f3523fdcc08e - 8deb87b1e810dd558371e88ffd44339fbef27870
Linux/Linux c654cea59dbc352fceafddd44893f3523fdcc08e - bf0fd01c7cc1061fb2cfda3e2044371642108e6c
... and 1 more
Published Sep 18, 2025
Tracked Since Feb 18, 2026