CVE-2026-34281

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{"affected": [{"affectedData": [{"product": "Oracle Solaris", "vendor": "Oracle Corporation", "versions": [{"status": "affected", "version": "11.4", "versionType": "semver"}]}], "source": "secalert_us@oracle.com"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:oracle:solaris:11.4:*:*:*:*:*:*:*", "matchCriteriaId": "BC3F1DDC-DF8F-4F64-8454-C4A7C60C8462", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Vulnerability in the Oracle Solaris product of Oracle Systems (component: Kernel). The supported version that is affected is 11.4. Easily exploitable vulnerability allows low privileged attacker with logon to the infrastructure where Oracle Solaris executes to compromise Oracle Solaris. While the vulnerability is in Oracle Solaris, attacks may significantly impact additional products (scope change). Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of Oracle Solaris. CVSS 3.1 Base Score 6.5 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H)."}, {"lang": "es", "value": "Vulnerabilidad en el producto Oracle Solaris de Oracle Systems (componente: Kernel). La versi\u00f3n compatible afectada es 11.4. Vulnerabilidad f\u00e1cilmente explotable permite a un atacante con pocos privilegios con inicio de sesi\u00f3n en la infraestructura donde se ejecuta Oracle Solaris comprometer Oracle Solaris. Aunque la vulnerabilidad est\u00e1 en Oracle Solaris, los ataques pueden tener un impacto significativo en productos adicionales (cambio de alcance). Los ataques exitosos de esta vulnerabilidad pueden resultar en la capacidad no autorizada de causar un bloqueo o una ca\u00edda (crash) frecuentemente repetible (DoS completo) de Oracle Solaris. Puntuaci\u00f3n Base CVSS 3.1 6.5 (impactos en la disponibilidad). Vector CVSS: (CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H)."}], "id": "CVE-2026-34281", "lastModified": "2026-10-26T22:10:00.163", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 6.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 2.0, "impactScore": 4.0, "source": "secalert_us@oracle.com", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-34281", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2026-04-22T14:46:11.017098Z", "version": "2.0.3"}}]}, "published": "2026-04-21T21:16:32.493", "references": [{"source": "secalert_us@oracle.com", "tags": ["Vendor Advisory"], "url": "https://www.oracle.com/security-alerts/cpuapr2026.html"}], "sourceIdentifier": "secalert_us@oracle.com", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-400"}], "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "11.4"}}], "enrichment": {"confidence": 95.0, "confidence_source": "inferred", "scores": [{"score": 95.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "Oracle Solaris", "source": "cna", "vendor": "Oracle Corporation"}, "product": "solaris", "vendor": "oracle"}], "analysis": {"en": {"generated_at": "2026-04-28T21:24:06.829260+00:00", "value": {"mitigation_remediation": ["Install the latest Oracle Solaris 11.4 security patch that addresses the kernel vulnerability.", "Restrict local user privileges and ensure that only trusted users have shell access to the infrastructure.", "Monitor kernel logs for panics or crashes and configure alerts or automatic restarts to maintain availability."], "summary": {"action": "Apply Patch", "impact": "Denial of Service via local kernel exploit"}, "threat_synthesis": {"affected_systems": "Oracle Solaris version 11.4 is affected. The flaw resides in the kernel component and can impact other Oracle products that run on the same infrastructure due to scope change.", "description_and_impact": "A flaw in the Oracle Solaris kernel allows a low\u2011privileged local user to trigger an unrecoverable crash, causing the operating system to hang or stop responding. The vulnerability does not compromise confidentiality or integrity, but it can make the entire system unavailable until it is restarted. It is classified as a local denial of service attack.", "risk_and_exploitability": "The CVSS 3.1 score of 6.5 indicates moderate severity. The EPSS score of <1% shows a very low probability of exploitation in the wild, but because the flaw can be triggered with local logon and low privileges, environments where users have unsecured access remain at risk. The vulnerability is not listed in the CISA KEV catalog. The likely attack vector is a local exploitation by a non\u2011administrator user who can execute code with sufficient privilege to manipulate kernel memory, potentially causing the system to hang or crash."}}}}, "created": "2026-04-22T02:45:05.855835+00:00", "title": "Local Kernel Denial of Service in Oracle Solaris 11.4", "updated": "2026-04-28T21:30:26.127297+00:00", "vendors": ["oracle", "oracle$PRODUCT$solaris"]}