CVE-2021-47009

{"id": "CVE-2021-47009", "cveTags": [], "metrics": {"cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 5.5, "attackVector": "LOCAL", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "NONE"}, "impactScore": 3.6, "exploitabilityScore": 1.8}]}, "published": "2024-02-28T09:15:38.610", "references": [{"url": "https://git.kernel.org/stable/c/1c4031014106aff48e1e686e40101c31eab5d44c", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/31c9a4b24d86cbb36ff0d7a085725a3b4f0138c8", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/3e24fbd37e72e8a67b74991970fecc82d14f57af", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/83a775d5f9bfda95b1c295f95a3a041a40c7f321", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/1c4031014106aff48e1e686e40101c31eab5d44c", "tags": ["Patch"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://git.kernel.org/stable/c/31c9a4b24d86cbb36ff0d7a085725a3b4f0138c8", "tags": ["Patch"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://git.kernel.org/stable/c/3e24fbd37e72e8a67b74991970fecc82d14f57af", "tags": ["Patch"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://git.kernel.org/stable/c/83a775d5f9bfda95b1c295f95a3a041a40c7f321", "tags": ["Patch"], "source": "af854a3a-2127-422b-91ae-364da2661108"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-401"}]}], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nKEYS: trusted: Fix memory leak on object td\n\nTwo error return paths are neglecting to free allocated object td,\ncausing a memory leak. Fix this by returning via the error return\npath that securely kfree's td.\n\nFixes clang scan-build warning:\nsecurity/keys/trusted-keys/trusted_tpm1.c:496:10: warning: Potential\nmemory leak [unix.Malloc]"}, {"lang": "es", "value": "En el kernel de Linux, se resolvi\u00f3 la siguiente vulnerabilidad: LLAVES: confiable: corrige la p\u00e9rdida de memoria en el objeto td. Dos rutas de retorno de error no liberan el objeto asignado td, lo que provoca una p\u00e9rdida de memoria. Solucione este problema regresando a trav\u00e9s de la ruta de retorno de error que segura el td. Corrige la advertencia de clang scan-build: seguridad/claves/trusted-keys/trusted_tpm1.c:496:10: advertencia: Posible p\u00e9rdida de memoria [unix.Malloc]"}], "lastModified": "2024-12-09T18:24:16.137", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "F680366A-DA31-428F-A674-7B537D57FB09", "versionEndExcluding": "5.10.38", "versionStartIncluding": "5.10.20"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "C73DB134-2F95-4413-88CE-82009EAAC844", "versionEndExcluding": "5.11.22", "versionStartIncluding": "5.11.3"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "0274929A-B36C-4F4C-AB22-30A0DD6B995B", "versionEndExcluding": "5.12.5", "versionStartIncluding": "5.12"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:5.12:rc1:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "07875739-0CCB-4F48-9330-3D4B6A4064FA"}], "operator": "OR"}]}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}