CVE-2023-5178 HIGH

CVE-2023-5178: Kernel: use after free in nvmet_tcp_free_crypto in nvme

Vendor Red Hat
Product Red Hat Enterprise Linux 8
Weakness CWE-416
Published November 1, 2023
Last update March 24, 2026

CVSS base score

8.8/10
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality High
Integrity High

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

What the vulnerability does

01Description

A use-after-free vulnerability was found in drivers/nvme/target/tcp.c` in `nvmet_tcp_free_crypto` due to a logical bug in the NVMe/TCP subsystem in the Linux kernel. This issue may allow a malicious user to cause a use-after-free and double-free problem, which may permit remote code execution or lead to local privilege escalation.

Key dates

02Disclosure timeline

November 1, 2023 CVE published
March 24, 2026 Record updated