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The xt_u32 module did not validate the fields in the xt_u32 structure. This flaw allows a local privileged attacker to trigger an out-of-bounds read by setting the size fields with a value beyond the array boundaries, leading to a crash or information disclosure."}],"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":"0:4.18.0-553.rt7.342.el8_10","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":"0:4.18.0-553.el8_10","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 6","collectionURL":"https://access.redhat.com/downloads/content/package-browser/","packageName":"kernel","defaultStatus":"unknown","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":"unknown","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":"unknown","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","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"]}],"references":[{"url":"https://access.redhat.com/errata/RHSA-2024:2950","name":"RHSA-2024:2950","tags":["vendor-advisory","x_refsource_REDHAT"]},{"url":"https://access.redhat.com/errata/RHSA-2024:3138","name":"RHSA-2024:3138","tags":["vendor-advisory","x_refsource_REDHAT"]},{"url":"https://access.redhat.com/security/cve/CVE-2023-39192","tags":["vdb-entry","x_refsource_REDHAT"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2226784","name":"RHBZ#2226784","tags":["issue-tracking","x_refsource_REDHAT"]},{"url":"https://www.zerodayinitiative.com/advisories/ZDI-CAN-18408/"}],"datePublic":"2023-09-29T00:00:00.000Z","problemTypes":[{"descriptions":[{"cweId":"CWE-125","description":"Out-of-bounds Read","lang":"en","type":"CWE"}]}],"x_redhatCweChain":"CWE-125: Out-of-bounds Read","workarounds":[{"lang":"en","value":"This flaw can be mitigated by preventing the affected `xt_u32` kernel module from being loaded. For instructions on how to blacklist a kernel module, please see https://access.redhat.com/solutions/41278."}],"timeline":[{"lang":"en","time":"2023-07-25T00:00:00.000Z","value":"Reported to Red Hat."},{"lang":"en","time":"2023-09-29T00:00:00.000Z","value":"Made public."}],"providerMetadata":{"orgId":"53f830b8-0a3f-465b-8143-3b8a9948e749","shortName":"redhat","dateUpdated":"2025-11-08T07:10:41.834Z"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"id":"CVE-2023-39192","role":"CISA Coordinator","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"total"}],"version":"2.0.3","timestamp":"2024-03-13T19:47:59.874434Z"}}}],"providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2024-06-04T17:27:09.160Z"}},{"providerMetadata":{"orgId":"af854a3a-2127-422b-91ae-364da2661108","shortName":"CVE","dateUpdated":"2024-08-02T18:02:06.518Z"},"title":"CVE Program Container","references":[{"url":"https://access.redhat.com/errata/RHSA-2024:2950","name":"RHSA-2024:2950","tags":["vendor-advisory","x_refsource_REDHAT","x_transferred"]},{"url":"https://access.redhat.com/errata/RHSA-2024:3138","name":"RHSA-2024:3138","tags":["vendor-advisory","x_refsource_REDHAT","x_transferred"]},{"url":"https://access.redhat.com/security/cve/CVE-2023-39192","tags":["vdb-entry","x_refsource_REDHAT","x_transferred"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2226784","name":"RHBZ#2226784","tags":["issue-tracking","x_refsource_REDHAT","x_transferred"]},{"url":"https://lists.debian.org/debian-lts-announce/2024/01/msg00004.html","tags":["x_transferred"]},{"url":"https://www.zerodayinitiative.com/advisories/ZDI-CAN-18408/","tags":["x_transferred"]}]}]}}