{ "dataType": "CVE_RECORD", "cveMetadata": { "cveId": "CVE-2023-6535", "assignerOrgId": "53f830b8-0a3f-465b-8143-3b8a9948e749", "state": "PUBLISHED", "assignerShortName": "redhat", "dateReserved": "2023-12-05T20:50:27.727Z", "datePublished": "2024-02-07T21:04:21.409Z", "dateUpdated": "2025-11-06T21:45:16.229Z" }, "containers": { "cna": { "title": "Kernel: null pointer dereference in nvmet_tcp_execute_request", "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:rhev_hypervisor:4.4::el8", "cpe:/o:redhat:rhel_eus:8.6::baseos" ] }, { "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:/a:redhat:rhel_eus:8.8::crb", "cpe:/o:redhat:rhel_eus:8.8::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::appstream", "cpe:/o:redhat:enterprise_linux:9::baseos", "cpe:/a:redhat:enterprise_linux:9::crb", "cpe:/a:redhat:enterprise_linux:9::nfv", "cpe:/a:redhat:enterprise_linux:9::realtime" ] }, { "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::appstream", "cpe:/o:redhat:enterprise_linux:9::baseos", "cpe:/a:redhat:enterprise_linux:9::crb", "cpe:/a:redhat:enterprise_linux:9::nfv", "cpe:/a:redhat:enterprise_linux:9::realtime" ] }, { "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::crb", "cpe:/o:redhat:rhel_eus:9.2::baseos", "cpe:/a:redhat:rhel_eus:9.2::appstream" ] }, { "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:rhev_hypervisor:4.4::el8", "cpe:/o:redhat:rhel_eus:8.6::baseos" ] }, { "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-2023-6535", "tags": [ "vdb-entry", "x_refsource_REDHAT" ] }, { "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2254053", "name": "RHBZ#2254053", "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": "2025-11-06T21:45:16.229Z" } }, "adp": [ { "metrics": [ { "other": { "type": "ssvc", "content": { "timestamp": "2024-02-08T17:12:36.607009Z", "id": "CVE-2023-6535", "options": [ { "Exploitation": "none" }, { "Automatable": "no" }, { "Technical Impact": "partial" } ], "role": "CISA Coordinator", "version": "2.0.3" } } } ], "title": "CISA ADP Vulnrichment", "providerMetadata": { "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2025-04-24T15:58:14.946Z" } }, { "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-2023-6535", "tags": [ "vdb-entry", "x_refsource_REDHAT", "x_transferred" ] }, { "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2254053", "name": "RHBZ#2254053", "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-20240415-0003/", "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": "2025-11-04T18:22:00.240Z" } } ] }, "dataVersion": "5.2" }