CVE-2023-53346

MEDIUM

Linux Kernel < 5.4.235 - Use-After-Free in debugfs_lookup

Title source: llm
STIX 2.1

Description

In the Linux kernel, the following vulnerability has been resolved: kernel/fail_function: 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 0.0019
EPSS Percentile 8.2%
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 (15)
Linux/Linux < 4.16
Linux/Linux 4.16
Linux/Linux 4b1a29a7f5425d32640b34b8a755f34e02f64d0f - 29d53c4c5a6f6d2b93aaac95b65cb4c907faf2ff
Linux/Linux 4b1a29a7f5425d32640b34b8a755f34e02f64d0f - 2bb3669f576559db273efe49e0e69f82450efbca
Linux/Linux 4b1a29a7f5425d32640b34b8a755f34e02f64d0f - 94f68f3e059c478e240f65fcb64746fe371295df
Linux/Linux 4b1a29a7f5425d32640b34b8a755f34e02f64d0f - bb99db06b8b6ce9351633fc61bec9919d8f6f52b
Linux/Linux 4b1a29a7f5425d32640b34b8a755f34e02f64d0f - dd9981a11d74ff2eb253bb5c459876f8bd3c6c36
Linux/Linux 4b1a29a7f5425d32640b34b8a755f34e02f64d0f - f6d3aee1c66358471275df9dddd480010f061b0e
Linux/Linux 5.10.173 - 5.10.*
Linux/Linux 5.15.100 - 5.15.*
... and 5 more
Published Sep 17, 2025
Tracked Since Feb 18, 2026