CVSS 3.1 Score 4.3 of 10 (medium)


Published Nov 16, 2023
Updated: Jan 11, 2024
CWE ID 125


CVE-2023-6121 is an out-of-bounds read vulnerability in the NVMe-oF/TCP subsystem in the Linux kernel. It affects multiple products, including Z07aWI, dCiVOI, dCiVOG, dCiVOH, ihNvs0, aXjN6B, eCJhKK, dCiVOF, ihNvsz, QtrxS6, d0rE62, sgaPme, and nv-TCv. The vulnerability allows a remote attacker to send a crafted TCP packet that triggers a heap-based buffer overflow. This can lead to kmalloc data being printed and potentially leaked to the kernel ring buffer (dmesg). The base severity of this vulnerability is rated as MEDIUM with a base score of 4.3. Remediation measures should be taken to mitigate the potential danger it poses to organizations.

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