CVE-2023-6121

Updated: 2025-08-20 00:39:14.081272

Description:

An out-of-bounds read vulnerability was found in the NVMe-oF/TCP subsystem in the Linux kernel. This issue may allow a remote attacker to send a crafted TCP packet, triggering a heap-based buffer overflow that results in kmalloc data being printed and potentially leaked to the kernel ring buffer (dmesg).


Links NIST CIRCL RHEL Ubuntu

Severity

Severity Score
CVSS Version 2.x 0.0
CVSS Version 3.x MEDIUM 4.3

Status

OS name Project name Version Score Severity Status Errata Last updated

Statement

AlmaLinux 9.2 ESU kernel 5.14.0 4.3 MEDIUM Released CLSA-2024:1712570434 2024-04-08 10:41:29
CentOS 6 ELS kernel 2.6.32 4.3 MEDIUM Ignored 2024-03-07 08:51:30 Ignored due to low severity
CentOS 7 ELS kernel 3.10.0 4.3 MEDIUM Ignored 2024-03-07 08:51:27 Ignored due to low severity
CentOS 8.4 ELS kernel 4.18.0 4.3 MEDIUM Ignored 2024-06-24 11:25:50 Ignored due to low severity
CentOS 8.5 ELS kernel 4.18.0 4.3 MEDIUM Ignored 2024-06-24 11:25:50 Ignored due to low severity
CentOS Stream 8 ELS kernel 4.18.0 4.3 MEDIUM Ignored 2024-05-10 14:19:09 Ignored due to low severity
CloudLinux 6 ELS kernel 2.6.32 4.3 MEDIUM Ignored 2024-03-07 08:51:30 Ignored due to low severity
Oracle Linux 6 ELS kernel 2.6.32 4.3 MEDIUM Ignored 2024-03-07 10:09:06 Ignored due to low severity
Ubuntu 16.04 ELS linux-hwe 4.15.0 4.3 MEDIUM Released CLSA-2024:1710946064 2024-03-20 11:09:19
Ubuntu 16.04 ELS linux 4.4.0 4.3 MEDIUM Not Vulnerable 2024-04-01 11:38:28
Total: 11