#VU116541 NULL pointer dereference in Linux kernel - CVE-2023-53538

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Main Vulnerability Database Vulnerabilities #VU116541

#VU116541 NULL pointer dereference in Linux kernel - CVE-2023-53538

Published: October 5, 2025 / Updated: October 27, 2025


Vulnerability identifier: #VU116541
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2023-53538
CWE-ID: CWE-476
Exploitation vector: Local access
Exploit availability: No public exploit available
Vulnerable software:
Linux kernel
Software vendor:
Linux Foundation

Description

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to NULL pointer dereference within the btrfs_tree_mod_log_insert_key(), btrfs_tree_mod_log_insert_move() and btrfs_tree_mod_log_eb_copy() functions in fs/btrfs/tree-mod-log.c. A local user can perform a denial of service (DoS) attack.


Remediation

Install update from vendor's repository.

External links