Improper locking in Linux kernel - CVE-2023-53671
Published: October 8, 2025 / Updated: October 26, 2025
Vulnerability identifier: #VU116795
CSH Severity: Low
CVSS v4.0: 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-2023-53671
CWE-ID: CWE-667
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vendor: Linux Foundation
Affected software:
Linux kernel
Linux kernel
Detailed vulnerability description
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to improper locking within the srcu_gp_start(), srcu_gp_end(), srcu_gp_start_if_needed() and srcu_barrier() functions in kernel/rcu/srcutree.c. A local user can perform a denial of service (DoS) attack.
How to mitigate CVE-2023-53671
Install update from vendor's repository.