#VU124565 Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition') in Linux kernel - CVE-2026-23302
Published: March 25, 2026
Vulnerability identifier: #VU124565
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-2026-23302
CWE-ID: CWE-362
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerable software:
Linux kernel
Linux kernel
Software vendor:
Linux Foundation
Linux Foundation
Description
The vulnerability allows a local user to cause a denial of service.
The vulnerability exists due to a race condition in socket state handling when processing network operations. A local user can trigger concurrent access to socket state variables to cause a denial of service.
The issue arises from improper synchronization of sk->sk_data_ready and sk->sk_write_space pointers during concurrent access by multiple CPUs.
Remediation
Install security update from vendor's repository.