CVE-2023-53643: 
Linux Kernel vulnerability analysis and mitigation

CVE-2023-53643 is a vulnerability affecting the Linux kernel's NVMe-TCP driver, discovered in 2023. The issue involves improper socket handling during error recovery in the NVMe-TCP implementation. This vulnerability affects multiple Linux distributions including Red Hat Enterprise Linux versions 6 through 10 and Red Hat In-Vehicle Operating System 1 (Red Hat Security).

The vulnerability is related to accessing released socket during error recovery in the NVMe-TCP driver. It has been assigned a CVSS v3.1 base score of 7.0, indicating a moderate severity level. The issue specifically affects the kernel's handling of NVMe-TCP connections during error recovery procedures (Red Hat Security).

The vulnerability could potentially lead to system instability or denial of service conditions when NVMe-TCP error recovery procedures are initiated. This affects systems using NVMe over TCP storage configurations (Red Hat Security).

The issue has been fixed in newer kernel versions. System administrators are advised to apply the appropriate kernel updates provided by their Linux distribution vendors. For Debian systems, the vulnerability has been fixed in the unstable branch (Debian Security).