{"api_version":"1","generated_at":"2026-04-22T23:52:37+00:00","cve":"CVE-2023-39191","urls":{"html":"https://cve.report/CVE-2023-39191","api":"https://cve.report/api/cve/CVE-2023-39191.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2023-39191","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2023-39191"},"summary":{"title":"CVE-2023-39191","description":"An improper input validation flaw was found in the eBPF subsystem in the Linux kernel. The issue occurs due to a lack of proper validation of dynamic pointers within user-supplied eBPF programs prior to executing them. This may allow an attacker with CAP_BPF privileges to escalate privileges and execute arbitrary code in the context of the kernel.","state":"PUBLIC","assigner":"secalert@redhat.com","published_at":"2023-10-04 19:15:00","updated_at":"2024-01-25 20:15:00"},"problem_types":["NVD-CWE-noinfo"],"metrics":[],"references":[{"url":"https://access.redhat.com/errata/RHSA-2024:0448","name":"RHSA-2024:0448","refsource":"","tags":[],"title":"Red Hat","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://access.redhat.com/errata/RHSA-2023:6583","name":"RHSA-2023:6583","refsource":"","tags":[],"title":"Red Hat","mime":"text/html","httpstatus":"200","archivestatus":"404"},{"url":"https://access.redhat.com/errata/RHSA-2024:0381","name":"RHSA-2024:0381","refsource":"","tags":[],"title":"Red Hat","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2226783","name":"https://bugzilla.redhat.com/show_bug.cgi?id=2226783","refsource":"MISC","tags":[],"title":"2226783 – (CVE-2023-39191, ZDI-CAN-19399) CVE-2023-39191 kernel: eBPF: insufficient stack type checks in dynptr","mime":"text/html","httpstatus":"200","archivestatus":"404"},{"url":"https://access.redhat.com/errata/RHSA-2024:0439","name":"RHSA-2024:0439","refsource":"","tags":[],"title":"Red Hat","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://access.redhat.com/security/cve/CVE-2023-39191","name":"https://access.redhat.com/security/cve/CVE-2023-39191","refsource":"MISC","tags":[],"title":"cve-details","mime":"text/html","httpstatus":"200","archivestatus":"404"},{"url":"https://www.zerodayinitiative.com/advisories/ZDI-CAN-19399/","name":"https://www.zerodayinitiative.com/advisories/ZDI-CAN-19399/","refsource":"MISC","tags":[],"title":"ZDI-23-1489 | Zero Day Initiative","mime":"text/html","httpstatus":"200","archivestatus":"404"},{"url":"https://www.cve.org/CVERecord?id=CVE-2023-39191","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-39191","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[{"cve_year":"2023","cve_id":"39191","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"fedoraproject","cpe5":"fedora","cpe6":"38","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2023","cve_id":"39191","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"linux","cpe5":"linux_kernel","cpe6":"*","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2023","cve_id":"39191","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"redhat","cpe5":"enterprise_linux","cpe6":"9.0","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"}],"vendor_comments":[],"enrichments":{"kev":null,"epss":null,"legacy_qids":[{"cve":"CVE-2023-39191","qid":"161066","title":"Oracle Enterprise Linux Security Update for kernel (ELSA-2023-6583)"},{"cve":"CVE-2023-39191","qid":"242399","title":"Red Hat Update for kernel security (RHSA-2023:6583)"},{"cve":"CVE-2023-39191","qid":"242734","title":"Red Hat Update for kpatch-patch (RHSA-2024:0381)"},{"cve":"CVE-2023-39191","qid":"242845","title":"Red Hat Update for kernel (RHSA-2024:0448)"},{"cve":"CVE-2023-39191","qid":"242846","title":"Red Hat Update for kernel-rt (RHSA-2024:0439)"},{"cve":"CVE-2023-39191","qid":"356634","title":"Amazon Linux Security Advisory for kernel : ALAS2023-2023-422"},{"cve":"CVE-2023-39191","qid":"6140404","title":"AWS Bottlerocket Security Update for kernel (GHSA-qmff-hxw3-jpv4)"},{"cve":"CVE-2023-39191","qid":"755240","title":"SUSE Enterprise Linux Security Update for the Linux Kernel (SUSE-SU-2023:4375-1)"},{"cve":"CVE-2023-39191","qid":"755249","title":"SUSE Enterprise Linux Security Update for the Linux Kernel (SUSE-SU-2023:4414-1)"},{"cve":"CVE-2023-39191","qid":"755567","title":"SUSE Security Update for the linux kernel (SUSE-SU-2023:4343-1)"},{"cve":"CVE-2023-39191","qid":"756013","title":"SUSE Enterprise Linux Security Update for the Linux Kernel RT (Live Patch 6 for SLE 15 SP5) (SUSE-SU-2024:0986-1)"},{"cve":"CVE-2023-39191","qid":"756014","title":"SUSE Enterprise Linux Security Update for the Linux Kernel RT (Live Patch 1 for SLE 15 SP5) (SUSE-SU-2024:0995-1)"},{"cve":"CVE-2023-39191","qid":"756028","title":"SUSE Enterprise Linux Security Update for the Linux Kernel (Live Patch 2 for SLE 15 SP5) (SUSE-SU-2024:1023-1)"},{"cve":"CVE-2023-39191","qid":"756030","title":"SUSE Enterprise Linux Security Update for the Linux Kernel (Live Patch 6 for SLE 15 SP5) (SUSE-SU-2024:1045-1)"},{"cve":"CVE-2023-39191","qid":"756032","title":"SUSE Enterprise Linux Security Update for the Linux Kernel (Live Patch 0 for SLE 15 SP5) (SUSE-SU-2024:1039-1)"},{"cve":"CVE-2023-39191","qid":"756047","title":"SUSE Enterprise Linux Security Update for the Linux Kernel RT (Live Patch 0 for SLE 15 SP5) (SUSE-SU-2024:1097-1)"},{"cve":"CVE-2023-39191","qid":"907630","title":"Common Base Linux Mariner (CBL-Mariner) Security Update for kernel (31150-1)"}]},"source_records":{"cve_program":{"data_version":"4.0","data_type":"CVE","data_format":"MITRE","CVE_data_meta":{"ID":"CVE-2023-39191","ASSIGNER":"secalert@redhat.com","STATE":"PUBLIC"},"description":{"description_data":[{"lang":"eng","value":"An improper input validation flaw was found in the eBPF subsystem in the Linux kernel. The issue occurs due to a lack of proper validation of dynamic pointers within user-supplied eBPF programs prior to executing them. This may allow an attacker with CAP_BPF privileges to escalate privileges and execute arbitrary code in the context of the kernel."}]},"problemtype":{"problemtype_data":[{"description":[{"lang":"eng","value":"Improper Input Validation","cweId":"CWE-20"}]}]},"affects":{"vendor":{"vendor_data":[{"vendor_name":"n/a","product":{"product_data":[{"product_name":"kernel","version":{"version_data":[{"version_value":"not down converted","x_cve_json_5_version_data":{"versions":[{"version":"6.3-rc1","status":"unaffected"}]}}]}}]}},{"vendor_name":"Red Hat","product":{"product_data":[{"product_name":"Red Hat Enterprise Linux 9","version":{"version_data":[{"version_value":"not down converted","x_cve_json_5_version_data":{"versions":[{"version":"0:5.14.0-362.8.1.el9_3","lessThan":"*","versionType":"rpm","status":"unaffected"}],"defaultStatus":"affected"}},{"version_value":"not down converted","x_cve_json_5_version_data":{"versions":[{"version":"0:5.14.0-362.8.1.el9_3","lessThan":"*","versionType":"rpm","status":"unaffected"}],"defaultStatus":"affected"}},{"version_value":"not down converted","x_cve_json_5_version_data":{"defaultStatus":"affected"}}]}},{"product_name":"Red Hat Enterprise Linux 6","version":{"version_data":[{"version_value":"not down converted","x_cve_json_5_version_data":{"defaultStatus":"unaffected"}}]}},{"product_name":"Red Hat Enterprise Linux 7","version":{"version_data":[{"version_value":"not down converted","x_cve_json_5_version_data":{"defaultStatus":"unaffected"}},{"version_value":"not down converted","x_cve_json_5_version_data":{"defaultStatus":"unaffected"}}]}},{"product_name":"Red Hat Enterprise Linux 8","version":{"version_data":[{"version_value":"not down converted","x_cve_json_5_version_data":{"defaultStatus":"unaffected"}},{"version_value":"not down converted","x_cve_json_5_version_data":{"defaultStatus":"unaffected"}}]}}]}},{"vendor_name":"Fedora","product":{"product_data":[{"product_name":"Fedora","version":{"version_data":[{"version_value":"not down converted","x_cve_json_5_version_data":{"defaultStatus":"affected"}}]}}]}}]}},"references":{"reference_data":[{"url":"https://access.redhat.com/errata/RHSA-2023:6583","refsource":"MISC","name":"https://access.redhat.com/errata/RHSA-2023:6583"},{"url":"https://access.redhat.com/security/cve/CVE-2023-39191","refsource":"MISC","name":"https://access.redhat.com/security/cve/CVE-2023-39191"},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2226783","refsource":"MISC","name":"https://bugzilla.redhat.com/show_bug.cgi?id=2226783"},{"url":"https://www.zerodayinitiative.com/advisories/ZDI-CAN-19399/","refsource":"MISC","name":"https://www.zerodayinitiative.com/advisories/ZDI-CAN-19399/"}]},"credits":[{"lang":"en","value":"Red Hat would like to thank Zero Day Initiative (ZDI) for reporting this issue."}],"impact":{"cvss":[{"attackComplexity":"LOW","attackVector":"LOCAL","availabilityImpact":"HIGH","baseScore":8.2,"baseSeverity":"HIGH","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"HIGH","scope":"CHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H","version":"3.1"}]}},"nvd":{"publishedDate":"2023-10-04 19:15:00","lastModifiedDate":"2024-01-25 20:15:00","problem_types":["NVD-CWE-noinfo"],"metrics":{"baseMetricV3":{"cvssV3":{"version":"3.1","vectorString":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H","attackVector":"LOCAL","attackComplexity":"LOW","privilegesRequired":"HIGH","userInteraction":"NONE","scope":"CHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"HIGH","baseScore":8.2,"baseSeverity":"HIGH"},"exploitabilityScore":1.5,"impactScore":6}},"configurations":{"CVE_data_version":"4.0","nodes":[{"operator":"OR","children":[],"cpe_match":[{"vulnerable":true,"cpe23Uri":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.3","cpe_name":[]}]},{"operator":"OR","children":[],"cpe_match":[{"vulnerable":true,"cpe23Uri":"cpe:2.3:o:fedoraproject:fedora:38:*:*:*:*:*:*:*","cpe_name":[]}]},{"operator":"OR","children":[],"cpe_match":[{"vulnerable":true,"cpe23Uri":"cpe:2.3:o:redhat:enterprise_linux:9.0:*:*:*:*:*:*:*","cpe_name":[]}]}]}},"legacy_mitre":{"record":null,"notes":[]}}}