Improper locking in Linux kernel - CVE-2023-53590
Published: October 5, 2025 / Updated: October 27, 2025
Vulnerability identifier: #VU116552
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-2023-53590
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 sctp_sched_prio_new_head(), sctp_sched_prio_get_head(), sctp_sched_prio_set() and sctp_sched_prio_init_sid() functions in net/sctp/stream_sched_prio.c. A local user can perform a denial of service (DoS) attack.
How to mitigate CVE-2023-53590
Install update from vendor's repository.
Sources
- https://git.kernel.org/stable/c/03c3a5584a0a29821e59b7834635ce823050caaa
- https://git.kernel.org/stable/c/68ba44639537de6f91fe32783766322d41848127
- https://git.kernel.org/stable/c/6d529928ea212127851a2df8c40d822237ca946b
- https://git.kernel.org/stable/c/8ee401f89cdb10f39098c0656d695b2bc4052100
- https://git.kernel.org/stable/c/bf5540cbd20e2dae2c81ab9b31deef41ef147d0a
- https://git.kernel.org/stable/c/cec326443f01283ef68ea00c06ea073b1835a562
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.4.235