{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2023-6200","assignerOrgId":"53f830b8-0a3f-465b-8143-3b8a9948e749","state":"PUBLISHED","assignerShortName":"redhat","dateReserved":"2023-11-20T09:44:39.245Z","datePublished":"2024-01-28T12:19:24.885Z","dateUpdated":"2025-06-05T19:45:49.317Z"},"containers":{"cna":{"title":"Kernel: icmpv6 router advertisement packets, aka linux tcp/ip remote code execution vulnerability","metrics":[{"other":{"content":{"value":"Important","namespace":"https://access.redhat.com/security/updates/classification/"},"type":"Red Hat severity rating"}},{"cvssV3_1":{"attackComplexity":"HIGH","attackVector":"ADJACENT_NETWORK","availabilityImpact":"HIGH","baseScore":7.5,"baseSeverity":"HIGH","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","version":"3.1"},"format":"CVSS"}],"descriptions":[{"lang":"en","value":"A race condition was found in the Linux Kernel. Under certain conditions, an unauthenticated attacker from an adjacent network could send an ICMPv6 router advertisement packet, causing arbitrary code execution."}],"affected":[{"product":"kernel","vendor":"n/a","versions":[{"version":"6.7-rc7","status":"unaffected"}]},{"product":"kernel","vendor":"n/a","defaultStatus":"affected"},{"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 8","collectionURL":"https://access.redhat.com/downloads/content/package-browser/","packageName":"kernel","defaultStatus":"unaffected","cpes":["cpe:/o:redhat:enterprise_linux:8"]},{"vendor":"Red Hat","product":"Red Hat Enterprise Linux 8","collectionURL":"https://access.redhat.com/downloads/content/package-browser/","packageName":"kernel-rt","defaultStatus":"unaffected","cpes":["cpe:/o:redhat:enterprise_linux:8"]},{"vendor":"Red Hat","product":"Red Hat Enterprise Linux 9","collectionURL":"https://access.redhat.com/downloads/content/package-browser/","packageName":"kernel","defaultStatus":"unaffected","cpes":["cpe:/o:redhat:enterprise_linux:9"]},{"vendor":"Red Hat","product":"Red Hat Enterprise Linux 9","collectionURL":"https://access.redhat.com/downloads/content/package-browser/","packageName":"kernel-rt","defaultStatus":"unaffected","cpes":["cpe:/o:redhat:enterprise_linux:9"]},{"vendor":"Red Hat","product":"Red Hat Virtualization 4","collectionURL":"https://access.redhat.com/downloads/content/package-browser/","packageName":"kernel","defaultStatus":"unaffected","cpes":["cpe:/a:redhat:enterprise_linux:8::hypervisor"]},{"product":"Fedora","vendor":"Fedora","collectionURL":"https://packages.fedoraproject.org/","packageName":"kernel","defaultStatus":"affected"}],"references":[{"url":"https://access.redhat.com/security/cve/CVE-2023-6200","tags":["vdb-entry","x_refsource_REDHAT"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2250377","name":"RHBZ#2250377","tags":["issue-tracking","x_refsource_REDHAT"]},{"url":"https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=dade3f6a1e4e"}],"datePublic":"2023-12-21T00:00:00.000Z","problemTypes":[{"descriptions":[{"cweId":"CWE-362","description":"Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')","lang":"en","type":"CWE"}]}],"x_redhatCweChain":"CWE-362: Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')","workarounds":[{"lang":"en","value":"The remote attack is potentially possible in the local network only. It is not possible if param\nnet.ipv6.conf.[NIC].accept_ra\ndisabled. Check this param value with the command\ncat /proc/sys/net/ipv6/conf/default/accept_ra\nor /proc/sys/net/ipv6/conf/eth0/accept_ra\n(where eth0 is the name of the networking interface).\nIf you cannot run this or a similar command and parameter accept_ra is not available, then IPV6 is disabled.\nIf IPV6 is not being used, it is possible to disable it completely, and there is instruction on how to do this:\nhttps://access.redhat.com/solutions/8709"}],"timeline":[{"lang":"en","time":"2023-11-17T00:00:00.000Z","value":"Reported to Red Hat."},{"lang":"en","time":"2023-12-21T00:00:00.000Z","value":"Made public."}],"credits":[{"lang":"en","value":"Red Hat would like to thank Lucas Leong (Trend Micro Zero Day Initiative) for reporting this issue."}],"providerMetadata":{"orgId":"53f830b8-0a3f-465b-8143-3b8a9948e749","shortName":"redhat","dateUpdated":"2024-02-02T15:44:56.695Z"}},"adp":[{"providerMetadata":{"orgId":"af854a3a-2127-422b-91ae-364da2661108","shortName":"CVE","dateUpdated":"2024-08-02T08:21:18.007Z"},"title":"CVE Program Container","references":[{"url":"https://access.redhat.com/security/cve/CVE-2023-6200","tags":["vdb-entry","x_refsource_REDHAT","x_transferred"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2250377","name":"RHBZ#2250377","tags":["issue-tracking","x_refsource_REDHAT","x_transferred"]},{"url":"https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=dade3f6a1e4e","tags":["x_transferred"]}]},{"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2024-01-31T19:41:04.888290Z","id":"CVE-2023-6200","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"total"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2025-06-05T19:45:49.317Z"}}]}}