{"dataType":"CVE_RECORD","cveMetadata":{"cveId":"CVE-2023-6536","assignerOrgId":"53f830b8-0a3f-465b-8143-3b8a9948e749","state":"PUBLISHED","assignerShortName":"redhat","dateReserved":"2023-12-05T21:00:40.604Z","datePublished":"2024-02-07T21:05:13.716Z","dateUpdated":"2025-11-06T21:45:28.671Z"},"containers":{"cna":{"title":"Kernel: null pointer dereference in __nvmet_req_complete","metrics":[{"other":{"content":{"value":"Moderate","namespace":"https://access.redhat.com/security/updates/classification/"},"type":"Red Hat severity rating"}},{"cvssV3_1":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":6.5,"baseSeverity":"MEDIUM","confidentialityImpact":"NONE","integrityImpact":"NONE","privilegesRequired":"LOW","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","version":"3.1"},"format":"CVSS"}],"descriptions":[{"lang":"en","value":"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."}],"affected":[{"vendor":"Red Hat","product":"Red Hat Enterprise Linux 8","collectionURL":"https://access.redhat.com/downloads/content/package-browser/","packageName":"kernel-rt","defaultStatus":"affected","versions":[{"version":"0:4.18.0-513.18.1.rt7.320.el8_9","lessThan":"*","versionType":"rpm","status":"unaffected"}],"cpes":["cpe:/a:redhat:enterprise_linux:8::realtime","cpe:/a:redhat:enterprise_linux:8::nfv"]},{"vendor":"Red Hat","product":"Red Hat Enterprise Linux 8","collectionURL":"https://access.redhat.com/downloads/content/package-browser/","packageName":"kernel","defaultStatus":"affected","versions":[{"version":"0:4.18.0-513.18.1.el8_9","lessThan":"*","versionType":"rpm","status":"unaffected"}],"cpes":["cpe:/a:redhat:enterprise_linux:8::crb","cpe:/o:redhat:enterprise_linux:8::baseos"]},{"vendor":"Red Hat","product":"Red Hat Enterprise Linux 8.6 Extended Update Support","collectionURL":"https://access.redhat.com/downloads/content/package-browser/","packageName":"kernel","defaultStatus":"affected","versions":[{"version":"0:4.18.0-372.91.1.el8_6","lessThan":"*","versionType":"rpm","status":"unaffected"}],"cpes":["cpe:/a:redhat:rhel_eus:8.6::crb","cpe:/o:redhat:rhel_eus:8.6::baseos","cpe:/o:redhat:rhev_hypervisor:4.4::el8"]},{"vendor":"Red Hat","product":"Red Hat Enterprise Linux 8.8 Extended Update Support","collectionURL":"https://access.redhat.com/downloads/content/package-browser/","packageName":"kernel","defaultStatus":"affected","versions":[{"version":"0:4.18.0-477.58.1.el8_8","lessThan":"*","versionType":"rpm","status":"unaffected"}],"cpes":["cpe:/o:redhat:rhel_eus:8.8::baseos","cpe:/a:redhat:rhel_eus:8.8::crb"]},{"vendor":"Red Hat","product":"Red Hat Enterprise Linux 9","collectionURL":"https://access.redhat.com/downloads/content/package-browser/","packageName":"kernel","defaultStatus":"affected","versions":[{"version":"0:5.14.0-362.24.1.el9_3","lessThan":"*","versionType":"rpm","status":"unaffected"}],"cpes":["cpe:/a:redhat:enterprise_linux:9::nfv","cpe:/a:redhat:enterprise_linux:9::crb","cpe:/a:redhat:enterprise_linux:9::appstream","cpe:/a:redhat:enterprise_linux:9::realtime","cpe:/o:redhat:enterprise_linux:9::baseos"]},{"vendor":"Red Hat","product":"Red Hat Enterprise Linux 9","collectionURL":"https://access.redhat.com/downloads/content/package-browser/","packageName":"kernel","defaultStatus":"affected","versions":[{"version":"0:5.14.0-362.24.1.el9_3","lessThan":"*","versionType":"rpm","status":"unaffected"}],"cpes":["cpe:/a:redhat:enterprise_linux:9::nfv","cpe:/a:redhat:enterprise_linux:9::crb","cpe:/a:redhat:enterprise_linux:9::appstream","cpe:/a:redhat:enterprise_linux:9::realtime","cpe:/o:redhat:enterprise_linux:9::baseos"]},{"vendor":"Red Hat","product":"Red Hat Enterprise Linux 9.2 Extended Update Support","collectionURL":"https://access.redhat.com/downloads/content/package-browser/","packageName":"kernel","defaultStatus":"affected","versions":[{"version":"0:5.14.0-284.52.1.el9_2","lessThan":"*","versionType":"rpm","status":"unaffected"}],"cpes":["cpe:/a:redhat:rhel_eus:9.2::appstream","cpe:/a:redhat:rhel_eus:9.2::crb","cpe:/o:redhat:rhel_eus:9.2::baseos"]},{"vendor":"Red Hat","product":"Red Hat Enterprise Linux 9.2 Extended Update Support","collectionURL":"https://access.redhat.com/downloads/content/package-browser/","packageName":"kernel-rt","defaultStatus":"affected","versions":[{"version":"0:5.14.0-284.52.1.rt14.337.el9_2","lessThan":"*","versionType":"rpm","status":"unaffected"}],"cpes":["cpe:/a:redhat:rhel_eus:9.2::realtime","cpe:/a:redhat:rhel_eus:9.2::nfv"]},{"vendor":"Red Hat","product":"Red Hat Virtualization 4 for Red Hat Enterprise Linux 8","collectionURL":"https://access.redhat.com/downloads/content/package-browser/","packageName":"kernel","defaultStatus":"affected","versions":[{"version":"0:4.18.0-372.91.1.el8_6","lessThan":"*","versionType":"rpm","status":"unaffected"}],"cpes":["cpe:/a:redhat:rhel_eus:8.6::crb","cpe:/o:redhat:rhel_eus:8.6::baseos","cpe:/o:redhat:rhev_hypervisor:4.4::el8"]},{"vendor":"Red Hat","product":"RHOL-5.8-RHEL-9","collectionURL":"https://catalog.redhat.com/software/containers/","packageName":"openshift-logging/cluster-logging-operator-bundle","defaultStatus":"affected","versions":[{"version":"v5.8.6-22","lessThan":"*","versionType":"rpm","status":"unaffected"}],"cpes":["cpe:/a:redhat:logging:5.8::el9"]},{"vendor":"Red Hat","product":"RHOL-5.8-RHEL-9","collectionURL":"https://catalog.redhat.com/software/containers/","packageName":"openshift-logging/cluster-logging-rhel9-operator","defaultStatus":"affected","versions":[{"version":"v5.8.6-11","lessThan":"*","versionType":"rpm","status":"unaffected"}],"cpes":["cpe:/a:redhat:logging:5.8::el9"]},{"vendor":"Red Hat","product":"RHOL-5.8-RHEL-9","collectionURL":"https://catalog.redhat.com/software/containers/","packageName":"openshift-logging/elasticsearch6-rhel9","defaultStatus":"affected","versions":[{"version":"v6.8.1-407","lessThan":"*","versionType":"rpm","status":"unaffected"}],"cpes":["cpe:/a:redhat:logging:5.8::el9"]},{"vendor":"Red Hat","product":"RHOL-5.8-RHEL-9","collectionURL":"https://catalog.redhat.com/software/containers/","packageName":"openshift-logging/elasticsearch-operator-bundle","defaultStatus":"affected","versions":[{"version":"v5.8.6-19","lessThan":"*","versionType":"rpm","status":"unaffected"}],"cpes":["cpe:/a:redhat:logging:5.8::el9"]},{"vendor":"Red Hat","product":"RHOL-5.8-RHEL-9","collectionURL":"https://catalog.redhat.com/software/containers/","packageName":"openshift-logging/elasticsearch-proxy-rhel9","defaultStatus":"affected","versions":[{"version":"v1.0.0-479","lessThan":"*","versionType":"rpm","status":"unaffected"}],"cpes":["cpe:/a:redhat:logging:5.8::el9"]},{"vendor":"Red Hat","product":"RHOL-5.8-RHEL-9","collectionURL":"https://catalog.redhat.com/software/containers/","packageName":"openshift-logging/elasticsearch-rhel9-operator","defaultStatus":"affected","versions":[{"version":"v5.8.6-7","lessThan":"*","versionType":"rpm","status":"unaffected"}],"cpes":["cpe:/a:redhat:logging:5.8::el9"]},{"vendor":"Red Hat","product":"RHOL-5.8-RHEL-9","collectionURL":"https://catalog.redhat.com/software/containers/","packageName":"openshift-logging/eventrouter-rhel9","defaultStatus":"affected","versions":[{"version":"v0.4.0-247","lessThan":"*","versionType":"rpm","status":"unaffected"}],"cpes":["cpe:/a:redhat:logging:5.8::el9"]},{"vendor":"Red Hat","product":"RHOL-5.8-RHEL-9","collectionURL":"https://catalog.redhat.com/software/containers/","packageName":"openshift-logging/fluentd-rhel9","defaultStatus":"affected","versions":[{"version":"v5.8.6-5","lessThan":"*","versionType":"rpm","status":"unaffected"}],"cpes":["cpe:/a:redhat:logging:5.8::el9"]},{"vendor":"Red Hat","product":"RHOL-5.8-RHEL-9","collectionURL":"https://catalog.redhat.com/software/containers/","packageName":"openshift-logging/log-file-metric-exporter-rhel9","defaultStatus":"affected","versions":[{"version":"v1.1.0-227","lessThan":"*","versionType":"rpm","status":"unaffected"}],"cpes":["cpe:/a:redhat:logging:5.8::el9"]},{"vendor":"Red Hat","product":"RHOL-5.8-RHEL-9","collectionURL":"https://catalog.redhat.com/software/containers/","packageName":"openshift-logging/logging-curator5-rhel9","defaultStatus":"affected","versions":[{"version":"v5.8.1-470","lessThan":"*","versionType":"rpm","status":"unaffected"}],"cpes":["cpe:/a:redhat:logging:5.8::el9"]},{"vendor":"Red Hat","product":"RHOL-5.8-RHEL-9","collectionURL":"https://catalog.redhat.com/software/containers/","packageName":"openshift-logging/logging-loki-rhel9","defaultStatus":"affected","versions":[{"version":"v2.9.6-14","lessThan":"*","versionType":"rpm","status":"unaffected"}],"cpes":["cpe:/a:redhat:logging:5.8::el9"]},{"vendor":"Red Hat","product":"RHOL-5.8-RHEL-9","collectionURL":"https://catalog.redhat.com/software/containers/","packageName":"openshift-logging/logging-view-plugin-rhel9","defaultStatus":"affected","versions":[{"version":"v5.8.6-2","lessThan":"*","versionType":"rpm","status":"unaffected"}],"cpes":["cpe:/a:redhat:logging:5.8::el9"]},{"vendor":"Red Hat","product":"RHOL-5.8-RHEL-9","collectionURL":"https://catalog.redhat.com/software/containers/","packageName":"openshift-logging/loki-operator-bundle","defaultStatus":"affected","versions":[{"version":"v5.8.6-24","lessThan":"*","versionType":"rpm","status":"unaffected"}],"cpes":["cpe:/a:redhat:logging:5.8::el9"]},{"vendor":"Red Hat","product":"RHOL-5.8-RHEL-9","collectionURL":"https://catalog.redhat.com/software/containers/","packageName":"openshift-logging/loki-rhel9-operator","defaultStatus":"affected","versions":[{"version":"v5.8.6-10","lessThan":"*","versionType":"rpm","status":"unaffected"}],"cpes":["cpe:/a:redhat:logging:5.8::el9"]},{"vendor":"Red Hat","product":"RHOL-5.8-RHEL-9","collectionURL":"https://catalog.redhat.com/software/containers/","packageName":"openshift-logging/lokistack-gateway-rhel9","defaultStatus":"affected","versions":[{"version":"v0.1.0-525","lessThan":"*","versionType":"rpm","status":"unaffected"}],"cpes":["cpe:/a:redhat:logging:5.8::el9"]},{"vendor":"Red Hat","product":"RHOL-5.8-RHEL-9","collectionURL":"https://catalog.redhat.com/software/containers/","packageName":"openshift-logging/opa-openshift-rhel9","defaultStatus":"affected","versions":[{"version":"v0.1.0-224","lessThan":"*","versionType":"rpm","status":"unaffected"}],"cpes":["cpe:/a:redhat:logging:5.8::el9"]},{"vendor":"Red Hat","product":"RHOL-5.8-RHEL-9","collectionURL":"https://catalog.redhat.com/software/containers/","packageName":"openshift-logging/vector-rhel9","defaultStatus":"affected","versions":[{"version":"v0.28.1-56","lessThan":"*","versionType":"rpm","status":"unaffected"}],"cpes":["cpe:/a:redhat:logging:5.8::el9"]},{"vendor":"Red Hat","product":"Red Hat Enterprise Linux 6","collectionURL":"https://access.redhat.com/downloads/content/package-browser/","packageName":"kernel","defaultStatus":"unaffected","cpes":["cpe:/o:redhat:enterprise_linux:6"]},{"vendor":"Red Hat","product":"Red Hat Enterprise Linux 7","collectionURL":"https://access.redhat.com/downloads/content/package-browser/","packageName":"kernel","defaultStatus":"unaffected","cpes":["cpe:/o:redhat:enterprise_linux:7"]},{"vendor":"Red Hat","product":"Red Hat Enterprise Linux 7","collectionURL":"https://access.redhat.com/downloads/content/package-browser/","packageName":"kernel-rt","defaultStatus":"unaffected","cpes":["cpe:/o:redhat:enterprise_linux:7"]},{"vendor":"Red Hat","product":"Red Hat Enterprise Linux 9","collectionURL":"https://access.redhat.com/downloads/content/package-browser/","packageName":"kernel-rt","defaultStatus":"affected","cpes":["cpe:/o:redhat:enterprise_linux:9"]}],"references":[{"url":"https://access.redhat.com/errata/RHSA-2024:0723","name":"RHSA-2024:0723","tags":["vendor-advisory","x_refsource_REDHAT"]},{"url":"https://access.redhat.com/errata/RHSA-2024:0724","name":"RHSA-2024:0724","tags":["vendor-advisory","x_refsource_REDHAT"]},{"url":"https://access.redhat.com/errata/RHSA-2024:0725","name":"RHSA-2024:0725","tags":["vendor-advisory","x_refsource_REDHAT"]},{"url":"https://access.redhat.com/errata/RHSA-2024:0881","name":"RHSA-2024:0881","tags":["vendor-advisory","x_refsource_REDHAT"]},{"url":"https://access.redhat.com/errata/RHSA-2024:0897","name":"RHSA-2024:0897","tags":["vendor-advisory","x_refsource_REDHAT"]},{"url":"https://access.redhat.com/errata/RHSA-2024:1248","name":"RHSA-2024:1248","tags":["vendor-advisory","x_refsource_REDHAT"]},{"url":"https://access.redhat.com/errata/RHSA-2024:2094","name":"RHSA-2024:2094","tags":["vendor-advisory","x_refsource_REDHAT"]},{"url":"https://access.redhat.com/errata/RHSA-2024:3810","name":"RHSA-2024:3810","tags":["vendor-advisory","x_refsource_REDHAT"]},{"url":"https://access.redhat.com/security/cve/CVE-2023-6536","tags":["vdb-entry","x_refsource_REDHAT"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2254052","name":"RHBZ#2254052","tags":["issue-tracking","x_refsource_REDHAT"]}],"datePublic":"2023-12-11T00:00:00.000Z","problemTypes":[{"descriptions":[{"cweId":"CWE-476","description":"NULL Pointer Dereference","lang":"en","type":"CWE"}]}],"x_redhatCweChain":"CWE-476: NULL Pointer Dereference","workarounds":[{"lang":"en","value":"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."}],"timeline":[{"lang":"en","time":"2023-12-11T00:00:00.000Z","value":"Reported to Red Hat."},{"lang":"en","time":"2023-12-11T00:00:00.000Z","value":"Made public."}],"credits":[{"lang":"en","value":"Red Hat would like to thank Alon Zahavi for reporting this issue."}],"providerMetadata":{"orgId":"53f830b8-0a3f-465b-8143-3b8a9948e749","shortName":"redhat","dateUpdated":"2025-11-06T21:45:28.671Z"}},"adp":[{"metrics":[{"other":{"type":"ssvc","content":{"id":"CVE-2023-6536","role":"CISA Coordinator","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"version":"2.0.3","timestamp":"2024-02-08T14:26:21.002030Z"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2024-07-05T17:22:45.294Z"}},{"title":"CVE Program Container","references":[{"url":"https://access.redhat.com/errata/RHSA-2024:0723","name":"RHSA-2024:0723","tags":["vendor-advisory","x_refsource_REDHAT","x_transferred"]},{"url":"https://access.redhat.com/errata/RHSA-2024:0724","name":"RHSA-2024:0724","tags":["vendor-advisory","x_refsource_REDHAT","x_transferred"]},{"url":"https://access.redhat.com/errata/RHSA-2024:0725","name":"RHSA-2024:0725","tags":["vendor-advisory","x_refsource_REDHAT","x_transferred"]},{"url":"https://access.redhat.com/errata/RHSA-2024:0881","name":"RHSA-2024:0881","tags":["vendor-advisory","x_refsource_REDHAT","x_transferred"]},{"url":"https://access.redhat.com/errata/RHSA-2024:0897","name":"RHSA-2024:0897","tags":["vendor-advisory","x_refsource_REDHAT","x_transferred"]},{"url":"https://access.redhat.com/errata/RHSA-2024:1248","name":"RHSA-2024:1248","tags":["vendor-advisory","x_refsource_REDHAT","x_transferred"]},{"url":"https://access.redhat.com/errata/RHSA-2024:2094","name":"RHSA-2024:2094","tags":["vendor-advisory","x_refsource_REDHAT","x_transferred"]},{"url":"https://access.redhat.com/errata/RHSA-2024:3810","name":"RHSA-2024:3810","tags":["vendor-advisory","x_refsource_REDHAT","x_transferred"]},{"url":"https://access.redhat.com/security/cve/CVE-2023-6536","tags":["vdb-entry","x_refsource_REDHAT","x_transferred"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2254052","name":"RHBZ#2254052","tags":["issue-tracking","x_refsource_REDHAT","x_transferred"]},{"url":"https://lists.debian.org/debian-lts-announce/2024/06/msg00016.html","tags":["x_transferred"]},{"url":"https://security.netapp.com/advisory/ntap-20240415-0001/","tags":["x_transferred"]},{"url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/ZFYW6R64GPLUOXSQBJI3JBUX3HGLAYPP/"}],"providerMetadata":{"orgId":"af854a3a-2127-422b-91ae-364da2661108","shortName":"CVE","dateUpdated":"2025-11-04T18:22:01.771Z"}}]},"dataVersion":"5.2"}