#VU119755 Improper locking in Linux kernel - CVE-2023-53777

 

#VU119755 Improper locking in Linux kernel - CVE-2023-53777

Published: December 10, 2025 / Updated: December 12, 2025


Vulnerability identifier: #VU119755
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-2023-53777
CWE-ID: CWE-667
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 improper locking within the z_erofs_init_zip_subsystem(), z_erofs_try_to_claim_pcluster(), z_erofs_register_pcluster(), z_erofs_collector_begin(), z_erofs_do_read_page(), z_erofs_decompress_queue(), z_erofs_decompressqueue_work(), jobqueue_init(), move_to_bypass_jobqueue() and z_erofs_submit_queue() functions in fs/erofs/zdata.c. A local user can perform a denial of service (DoS) attack.


Remediation

Install update from vendor's repository.

External links