cvelist/2023/6xxx/CVE-2023-6121.json

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                "value": "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)."
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    "references": {
        "reference_data": [
            {
                "url": "https://access.redhat.com/security/cve/CVE-2023-6121",
                "refsource": "MISC",
                "name": "https://access.redhat.com/security/cve/CVE-2023-6121"
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                "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2250043",
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                "name": "https://bugzilla.redhat.com/show_bug.cgi?id=2250043"
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    "work_around": [
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            "lang": "en",
            "value": "This flaw can be mitigated by explicitly setting the kernel parameter to restrict unprivileged users from using dmesg:\n```\nsudo sysctl -w kernel.dmesg_restrict=1\n```\nTo make it persistent between system reboots:\n```\necho 'kernel.dmesg_restrict=1' | sudo tee -a /etc/sysctl.conf\n```"
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    "credits": [
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            "lang": "en",
            "value": "Red Hat would like to thank Alon Zahavi for reporting this issue."
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