223 lines
9.0 KiB
JSON
223 lines
9.0 KiB
JSON
{
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"dataType": "CVE_RECORD",
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"dataVersion": "5.2",
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"cveMetadata": {
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"cveId": "CVE-2026-109976",
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"assignerOrgId": "53f830b8-0a3f-465b-8143-3b8a9948e749",
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"state": "PUBLISHED",
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"assignerShortName": "redhat",
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"dateReserved": "2026-10-13T11:54:22.302Z",
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"datePublished": "2026-10-13T12:17:05.981Z",
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"dateUpdated": "2026-11-06T17:50:35.228Z"
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},
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"containers": {
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"cna": {
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"title": "Clevis: clevis: integer underflow in pkcs#11 data socket handler crashes daemon on unbound client connection",
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"metrics": [
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{
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"other": {
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"value": "Low",
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"type": "Red Hat severity rating"
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},
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{
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"cvssV3_1": {
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"attackComplexity": "HIGH",
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"attackVector": "LOCAL",
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"availabilityImpact": "HIGH",
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"baseScore": 4.7,
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"baseSeverity": "MEDIUM",
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"confidentialityImpact": "NONE",
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"integrityImpact": "NONE",
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"privilegesRequired": "LOW",
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"scope": "UNCHANGED",
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"userInteraction": "NONE",
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"vectorString": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H",
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"version": "3.1"
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},
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"format": "CVSS"
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}
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],
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"descriptions": [
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{
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"lang": "en",
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"value": "A flaw was found in the clevis PKCS#11 pin. The clevis-pkcs11-afunix-socket-unlock daemon crashes when an AF_UNIX client connects to the data socket without a bound address, due to an integer underflow in the getpeername result handling. This causes a denial of service, preventing LUKS disk decryption from completing during boot."
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}
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],
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"affected": [
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{
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"vendor": "Red Hat",
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"product": "Red Hat Enterprise Linux 10",
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"cpe:/a:redhat:enterprise_linux:10"
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{
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"vendor": "Red Hat",
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"product": "Red Hat Enterprise Linux 7",
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"collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
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"packageName": "clevis",
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"defaultStatus": "unaffected",
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"cpes": [
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"cpe:/o:redhat:rhel_els:7"
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]
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},
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{
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"vendor": "Red Hat",
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"product": "Red Hat Enterprise Linux 8",
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"collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
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"packageName": "clevis",
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"defaultStatus": "unaffected",
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"cpes": [
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"cpe:/a:redhat:enterprise_linux:8"
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]
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},
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{
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"vendor": "Red Hat",
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"product": "Red Hat Enterprise Linux 9",
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"collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
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"packageName": "clevis",
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"defaultStatus": "affected",
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{
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"vendor": "Red Hat",
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"product": "Red Hat OpenShift Container Platform 4",
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"collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
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"packageName": "openshift/ose-rhel-coreos-8",
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"defaultStatus": "unaffected",
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{
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"packageName": "openshift/ose-rhel-coreos-9",
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{
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"vendor": "Red Hat",
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"product": "Red Hat OpenShift Container Platform 5",
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"collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
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"packageName": "openshift/ose-rhel-coreos-9",
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"defaultStatus": "unaffected",
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"cpes": [
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"cpe:/a:redhat:openshift:5"
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],
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"references": [
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{
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"url": "https://access.redhat.com/security/cve/CVE-2026-109976",
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"tags": [
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"vdb-entry",
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"x_refsource_REDHAT"
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]
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},
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{
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"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2550375",
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"name": "RHBZ#2550375",
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"tags": [
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"issue-tracking",
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}
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],
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"datePublic": "2026-10-13T00:00:00.000Z",
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"problemTypes": [
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{
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"descriptions": [
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{
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"cweId": "CWE-787",
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"description": "Out-of-bounds Write",
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"lang": "en",
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"type": "CWE"
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}
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]
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}
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],
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"x_redhatCweChain": "CWE-787: Out-of-bounds Write",
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"workarounds": [
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{
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"lang": "en",
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"value": "No additional end-user mitigation is needed. Under the default systemd configuration, the data socket is only accessible by root, preventing unprivileged users from triggering the crash."
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}
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],
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"timeline": [
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{
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"lang": "en",
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"time": "2026-10-12T00:00:00.000Z",
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"value": "Reported to Red Hat."
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},
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{
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"lang": "en",
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"time": "2026-10-13T00:00:00.000Z",
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"value": "Made public."
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}
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],
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"providerMetadata": {
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"orgId": "53f830b8-0a3f-465b-8143-3b8a9948e749",
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"shortName": "redhat",
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"dateUpdated": "2026-11-06T17:50:35.228Z"
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},
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"x_generator": {
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"engine": "cvelib 1.8.0"
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"adp": [
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{
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"references": [
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{
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"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2550375",
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"tags": [
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"exploit"
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]
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}
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],
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"metrics": [
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{
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"other": {
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"type": "ssvc",
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"content": {
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"timestamp": "2026-10-14T17:27:03.696951Z",
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"id": "CVE-2026-109976",
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"options": [
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{
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"Exploitation": "poc"
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},
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{
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"Automatable": "no"
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},
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{
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"Technical Impact": "partial"
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}
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],
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"role": "CISA Coordinator",
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}
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],
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"title": "CISA ADP Vulnrichment",
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