CVE-2023-6535Medium· 6.5▾ SunlitA flaw was found in the Linux kernel's NVMe driver. This issue may allow an unauthenticated malicious actor to send a set of crafted TCP packages when using NVMe over TCP, leading the NVMe driver to a NULL pointer dereference in the NVMe…
▾ Sunlit zone — Low / medium · no exploitation signal
impact 35.8 · likelihood 0.3 · exploitation 0
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Stakeholder-Specific Vulnerability Categorization from CISA's ADP record at CVE.org: whether exploitation is observed, whether an attack can be automated, and how much of the system is at stake. The CVSS score shown above comes from the assigning CNA record, not NVD.
Disclosure to exploitation, from the record and what we observed since indexing it.
Disclosed via CVEORG
Last analysed / modified upstream
1.5%
A flaw was found in the Linux kernel's NVMe driver. This issue may allow an unauthenticated malicious actor to send a set of crafted TCP packages when using NVMe over TCP, leading the NVMe driver to a NULL pointer dereference in the NVMe driver, causing kernel panic and a denial of service.
kernel-rt (all versions)kernel (all versions)kernel (all versions)kernel (all versions)kernel (all versions)kernel (all versions)kernel (all versions)kernel-rt (all versions)kernel (all versions)openshift-logging/cluster-logging-operator-bundle (all versions)openshift-logging/cluster-logging-rhel9-operator (all versions)openshift-logging/elasticsearch6-rhel9 (all versions)openshift-logging/elasticsearch-operator-bundle (all versions)openshift-logging/elasticsearch-proxy-rhel9 (all versions)openshift-logging/elasticsearch-rhel9-operator (all versions)openshift-logging/eventrouter-rhel9 (all versions)openshift-logging/fluentd-rhel9 (all versions)openshift-logging/log-file-metric-exporter-rhel9 (all versions)openshift-logging/logging-curator5-rhel9 (all versions)openshift-logging/logging-loki-rhel9 (all versions)openshift-logging/logging-view-plugin-rhel9 (all versions)openshift-logging/loki-operator-bundle (all versions)openshift-logging/loki-rhel9-operator (all versions)openshift-logging/lokistack-gateway-rhel9 (all versions)openshift-logging/opa-openshift-rhel9 (all versions)openshift-logging/vector-rhel9 (all versions)kernelkernelkernel-rtkernel-rt (all versions)Refer to the linked advisories for vendor-supplied fixes and affected version ranges.
To mitigate this issue, prevent module nvmet-tcp from being loaded. Please see https://access.redhat.com/solutions/41278 for how to blacklist a kernel module to prevent it from loading automatically.
Connected by shared product, vendor, weakness, or advisory.
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