Missing release of resource after effective lifetime in Linux kernel - CVE-2023-2593
Published: July 31, 2025
Vulnerability identifier: #VU113542
CSH Severity: Medium
CVSS v4: 8.2 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2023-2593
CWE-ID: CWE-772
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to lack of memory release after its effective lifetime when handling TCP connections. A remote attacker can initiate multiple TCP connections with the affected system and perform a denial of service (DoS) attack.
Affected software
Linux kernel
How to mitigate CVE-2023-2593
Install updates from vendor's website.