{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2023-4459","assignerOrgId":"53f830b8-0a3f-465b-8143-3b8a9948e749","state":"PUBLISHED","assignerShortName":"redhat","dateReserved":"2023-08-21T16:21:49.200Z","datePublished":"2023-08-21T18:49:13.172Z","dateUpdated":"2025-11-15T08:17:03.994Z"},"containers":{"cna":{"title":"Kernel: vmxnet3: null pointer dereference in vmxnet3_rq_cleanup()","metrics":[{"other":{"content":{"value":"Moderate","namespace":"https://access.redhat.com/security/updates/classification/"},"type":"Red Hat severity rating"}},{"cvssV3_1":{"attackComplexity":"LOW","attackVector":"LOCAL","availabilityImpact":"HIGH","baseScore":5.5,"baseSeverity":"MEDIUM","confidentialityImpact":"NONE","integrityImpact":"NONE","privilegesRequired":"LOW","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","version":"3.1"},"format":"CVSS"}],"descriptions":[{"lang":"en","value":"A NULL pointer dereference flaw was found in vmxnet3_rq_cleanup in drivers/net/vmxnet3/vmxnet3_drv.c in the networking sub-component in vmxnet3 in the Linux Kernel. This issue may allow a local attacker with normal user privilege to cause a denial of service due to a missing sanity check during cleanup."}],"affected":[{"vendor":"Red Hat","product":"Red Hat Enterprise Linux 8.2 Advanced Update Support","collectionURL":"https://access.redhat.com/downloads/content/package-browser/","packageName":"kernel","defaultStatus":"affected","versions":[{"version":"0:4.18.0-193.133.1.el8_2","lessThan":"*","versionType":"rpm","status":"unaffected"}],"cpes":["cpe:/o:redhat:rhel_e4s:8.2::baseos","cpe:/o:redhat:rhel_aus:8.2::baseos","cpe:/o:redhat:rhel_tus:8.2::baseos"]},{"vendor":"Red Hat","product":"Red Hat Enterprise Linux 8.2 Telecommunications Update 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For instructions relating to how to blacklist a kernel module refer to: https://access.redhat.com/solutions/41278\n~~~\nExploiting this flaw will require CAP_NET_ADMIN access privilege in any user or network namespace.\n~~~"}],"timeline":[{"lang":"en","time":"2023-06-28T00:00:00.000Z","value":"Reported to Red Hat."},{"lang":"en","time":"2022-05-14T00:00:00.000Z","value":"Made public."}],"providerMetadata":{"orgId":"53f830b8-0a3f-465b-8143-3b8a9948e749","shortName":"redhat","dateUpdated":"2025-11-15T08:17:03.994Z"}},"adp":[{"providerMetadata":{"orgId":"af854a3a-2127-422b-91ae-364da2661108","shortName":"CVE","dateUpdated":"2024-08-02T07:31:05.495Z"},"title":"CVE Program Container","references":[{"url":"https://access.redhat.com/errata/RHSA-2024:0412","name":"RHSA-2024:0412","tags":["vendor-advisory","x_refsource_REDHAT","x_transferred"]},{"url":"https://access.redhat.com/errata/RHSA-2024:1250","name":"RHSA-2024:1250","tags":["vendor-advisory","x_refsource_REDHAT","x_transferred"]},{"url":"https://access.redhat.com/errata/RHSA-2024:1306","name":"RHSA-2024:1306","tags":["vendor-advisory","x_refsource_REDHAT","x_transferred"]},{"url":"https://access.redhat.com/errata/RHSA-2024:1367","name":"RHSA-2024:1367","tags":["vendor-advisory","x_refsource_REDHAT","x_transferred"]},{"url":"https://access.redhat.com/errata/RHSA-2024:1382","name":"RHSA-2024:1382","tags":["vendor-advisory","x_refsource_REDHAT","x_transferred"]},{"url":"https://access.redhat.com/errata/RHSA-2024:2006","name":"RHSA-2024:2006","tags":["vendor-advisory","x_refsource_REDHAT","x_transferred"]},{"url":"https://access.redhat.com/errata/RHSA-2024:2008","name":"RHSA-2024:2008","tags":["vendor-advisory","x_refsource_REDHAT","x_transferred"]},{"url":"https://access.redhat.com/security/cve/CVE-2023-4459","tags":["vdb-entry","x_refsource_REDHAT","x_transferred"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2219268","name":"RHBZ#2219268","tags":["issue-tracking","x_refsource_REDHAT","x_transferred"]},{"url":"https://github.com/torvalds/linux/commit/edf410cb74dc612fd47ef5be319c5a0bcd6e6ccd","tags":["x_transferred"]}]}]}}