CVE-2023-6121

Summary

CVE-2023-6121 is a newly discovered vulnerability affecting the NVMe-oF/TCP subsystem in the Linux kernel. This issue involves an out-of-bounds read, which can be exploited by remote attackers. They can send a specially crafted TCP packet to induce a heap-based buffer overflow. Consequences of this vulnerability include the leaking of kmalloc data to the kernel ring buffer, as observed in the dmesg logs. This weakness may pose a serious security risk, as it could potentially enable unauthorized access to sensitive information.

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