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{"cveTags": [], "descriptions": [{"lang": "en", "value": "libcontainer is a library for container control. Prior to libcontainer 0.5.3, while creating a tenant container, the tenant builder accepts a list of capabilities to be added in the spec of tenant container. The logic here adds the given capabilities to all capabilities of main container if present in spec, otherwise simply set provided capabilities as capabilities of the tenant container. However, setting inherited caps in any case for tenant container can lead to elevation of capabilities, similar to CVE-2022-29162. This does not affect youki binary itself. This is only applicable if you are using libcontainer directly and using the tenant builder."}, {"lang": "es", "value": "libcontainer es una librer\u00eda para el control de contenedores. Antes de libcontainer 0.5.3, al crear un contenedor de inquilinos, el generador de inquilinos aceptaba una lista de capacidades que se a\u00f1ad\u00edan a la especificaci\u00f3n del contenedor. La l\u00f3gica aqu\u00ed a\u00f1ade las capacidades dadas a todas las capacidades del contenedor principal si est\u00e1n presentes en la especificaci\u00f3n; de lo contrario, simplemente se establecen las capacidades proporcionadas como capacidades del contenedor de inquilinos. Sin embargo, establecer l\u00edmites heredados para el contenedor de inquilinos puede provocar la elevaci\u00f3n de capacidades, similar a CVE-2022-29162. Esto no afecta al binario de Youki. Esto solo aplica si se usa libcontainer directamente y el generador de inquilinos."}], "id": "CVE-2025-27612", "lastModified": "2026-04-15T00:35:42.020", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "LOW", "baseScore": 5.9, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L", "version": "3.1"}, "exploitabilityScore": 2.5, "impactScore": 3.4, "source": "security-advisories@github.com", "type": "Secondary"}]}, "published": "2025-03-21T15:15:42.153", "references": [{"source": "security-advisories@github.com", "url": "https://github.com/opencontainers/runc/security/advisories/GHSA-f3fp-gc8g-vw66"}, {"source": "security-advisories@github.com", "url": "https://github.com/youki-dev/youki/blob/9e63fa4da1672a78ca45100f3059a732784a5174/crates/libcontainer/src/container/tenant_builder.rs#L408"}, {"source": "security-advisories@github.com", "url": "https://github.com/youki-dev/youki/commit/747e342d2026fbf3a395db3e2a491ebef00082f1"}, {"source": "security-advisories@github.com", "url": "https://github.com/youki-dev/youki/security/advisories/GHSA-5w4j-f78p-4wh9"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Deferred", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-276"}], "source": "security-advisories@github.com", "type": "Secondary"}]}

{"bugzilla": {"description": "libcontainer: Libcontainer is affected by capabilities elevation", "id": "2354067", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2354067"}, "csaw": false, "cvss3": {"cvss3_base_score": "5.9", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L", "status": "draft"}, "cwe": "CWE-276", "details": ["libcontainer is a library for container control. Prior to libcontainer 0.5.3, while creating a tenant container, the tenant builder accepts a list of capabilities to be added in the spec of tenant container. The logic here adds the given capabilities to all capabilities of main container if present in spec, otherwise simply set provided capabilities as capabilities of the tenant container. However, setting inherited caps in any case for tenant container can lead to elevation of capabilities, similar to CVE-2022-29162. This does not affect youki binary itself. This is only applicable if you are using libcontainer directly and using the tenant builder.", "A flaw was found in libcontainer. This vulnerability may allow elevation of capabilities via improper inheritance of capabilities in the tenant container when using the tenant builder."], "mitigation": {"lang": "en:us", "value": "Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability."}, "name": "CVE-2025-27612", "package_state": [{"cpe": "cpe:/a:redhat:openshift:4", "fix_state": "Fix deferred", "package_name": "kata-containers", "product_name": "Red Hat OpenShift Container Platform 4"}], "public_date": "2025-03-21T14:24:28Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2025-27612\nhttps://nvd.nist.gov/vuln/detail/CVE-2025-27612\nhttps://github.com/opencontainers/runc/security/advisories/GHSA-f3fp-gc8g-vw66\nhttps://github.com/youki-dev/youki/blob/9e63fa4da1672a78ca45100f3059a732784a5174/crates/libcontainer/src/container/tenant_builder.rs#L408\nhttps://github.com/youki-dev/youki/commit/747e342d2026fbf3a395db3e2a491ebef00082f1\nhttps://github.com/youki-dev/youki/security/advisories/GHSA-5w4j-f78p-4wh9"], "threat_severity": "Moderate"}

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