CVE-2026-25704

{"id": "CVE-2026-25704", "cveTags": [], "metrics": {"ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-25704", "role": "CISA Coordinator", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "version": "2.0.3", "timestamp": "2026-03-30T15:15:22.499459Z"}}], "cvssMetricV40": [{"type": "Secondary", "source": "meissner@suse.de", "cvssData": {"Safety": "NOT_DEFINED", "version": "4.0", "Recovery": "NOT_DEFINED", "baseScore": 5.8, "Automatable": "NOT_DEFINED", "attackVector": "LOCAL", "baseSeverity": "MEDIUM", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:L/AC:H/AT:N/PR:L/UI:N/VC:L/VI:L/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X", "exploitMaturity": "NOT_DEFINED", "providerUrgency": "NOT_DEFINED", "userInteraction": "NONE", "attackComplexity": "HIGH", "attackRequirements": "NONE", "privilegesRequired": "LOW", "subIntegrityImpact": "NONE", "vulnIntegrityImpact": "LOW", "integrityRequirement": "NOT_DEFINED", "modifiedAttackVector": "NOT_DEFINED", "subAvailabilityImpact": "NONE", "vulnAvailabilityImpact": "HIGH", "availabilityRequirement": "NOT_DEFINED", "modifiedUserInteraction": "NOT_DEFINED", "modifiedAttackComplexity": "NOT_DEFINED", "subConfidentialityImpact": "NONE", "vulnConfidentialityImpact": "LOW", "confidentialityRequirement": "NOT_DEFINED", "modifiedAttackRequirements": "NOT_DEFINED", "modifiedPrivilegesRequired": "NOT_DEFINED", "modifiedSubIntegrityImpact": "NOT_DEFINED", "modifiedVulnIntegrityImpact": "NOT_DEFINED", "vulnerabilityResponseEffort": "NOT_DEFINED", "modifiedSubAvailabilityImpact": "NOT_DEFINED", "modifiedVulnAvailabilityImpact": "NOT_DEFINED", "modifiedSubConfidentialityImpact": "NOT_DEFINED", "modifiedVulnConfidentialityImpact": "NOT_DEFINED"}}]}, "affected": [{"source": "meissner@suse.de", "affectedData": [{"vendor": "pop-os", "product": "cosmic-greeter", "versions": [{"status": "affected", "version": "?", "lessThan": "https://github.com/pop-os/cosmic-greeter/pull/426", "versionType": "git"}], "packageName": "cosmic-greeter", "defaultStatus": "unaffected"}]}], "published": "2026-03-30T08:16:16.990", "references": [{"url": "https://bugzilla.suse.com/show_bug.cgi?id=CVE-2026-25704", "source": "meissner@suse.de"}, {"url": "http://www.openwall.com/lists/oss-security/2026/04/16/3", "source": "af854a3a-2127-422b-91ae-364da2661108"}], "vulnStatus": "Awaiting Analysis", "weaknesses": [{"type": "Secondary", "source": "meissner@suse.de", "description": [{"lang": "en", "value": "CWE-271"}, {"lang": "en", "value": "CWE-367"}]}], "descriptions": [{"lang": "en", "value": "A Privilege Dropping / Lowering Errors/Time-of-check Time-of-use (TOCTOU) Race Condition vulnerability in\u00a0 cosmic-greeter can allow an attacker to regain privileges that should have been dropped and abuse them in the racy checking logic.\n\n\n\n\nThis issue affects cosmic-greeter before https://github.Com/pop-os/cosmic-greeter/pull/426."}, {"lang": "es", "value": "Una vulnerabilidad de condici\u00f3n de carrera de errores de eliminaci\u00f3n/reducci\u00f3n de privilegios/tiempo de verificaci\u00f3n, tiempo de uso (TOCTOU) en cosmic-greeter puede permitir a un atacante recuperar privilegios que deber\u00edan haber sido eliminados y abusar de ellos en la l\u00f3gica de verificaci\u00f3n propensa a condiciones de carrera.\n\nEste problema afecta a cosmic-greeter antes de https://github.Com/pop-os/cosmic-greeter/pull/426."}], "lastModified": "2026-06-17T10:25:04.880", "sourceIdentifier": "meissner@suse.de"}