Race condition in Linux kernel - CVE-2023-53517
Published: October 1, 2025 / Updated: October 27, 2025
Vulnerability identifier: #VU116263
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-2023-53517
CWE-ID: CWE-362
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 a race condition within the tipc_link_proto_rcv() function in net/tipc/link.c. A local user can perform a denial of service (DoS) attack.
How to mitigate CVE-2023-53517
Install update from vendor's repository.
Sources
- https://git.kernel.org/stable/c/1dd7ae5e0cf5a56e513f7ab7ab9570b7496281d2
- https://git.kernel.org/stable/c/259683001d7e879fea4b42084fb6560dd9408a7e
- https://git.kernel.org/stable/c/2bd4ff4ffb92113f8acd04dbaed83269172c24b4
- https://git.kernel.org/stable/c/56077b56cd3fb78e1c8619e29581ba25a5c55e86
- https://git.kernel.org/stable/c/575e84d90a74c0b091b3417ba763ebb237aa0a8c
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.113