CVE-2026-43419

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If ownership of this pointer is not\npassed to the caller via path_info.path, the function must free it\nbefore returning."}, {"lang": "es", "value": "En el kernel de Linux, la siguiente vulnerabilidad ha sido resuelta:\n\nceph: soluciona fugas de memoria en ceph_mdsc_build_path()\n\nA\u00f1ade llamadas a __putname() a las rutas de c\u00f3digo de error que no liberaban el puntero \u2019path\u2019 obtenido por __getname(). Si la propiedad de este puntero no se pasa al llamador a trav\u00e9s de path_info.path, la funci\u00f3n debe liberarlo antes de retornar."}], "id": "CVE-2026-43419", "lastModified": "2026-11-11T20:10:00.273", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 5.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-43419", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2026-11-06T15:37:53.765142Z", "version": "2.0.3"}}]}, "published": "2026-05-08T15:16:53.910", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/040d159a45ded7f33201421a81df0aa2a86e5a0b"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/097cd68f46686391a98f2618188f0cb7b7570de2"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/13b8b9d6f59ef17fb96c298c3a0d62a8306950cc"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/5895d0164c84d7fec6abc198920c257f55c51899"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/657dc653b06a3cc0282aea447a3f137fa94066a4"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/d39366c169f873edc8ad21fdf6bf08d1de603dbb"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-401"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"bugzilla": {"description": "kernel: ceph: fix memory leaks in ceph_mdsc_build_path()", "id": "2468144", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2468144"}, "csaw": false, "cvss3": {"cvss3_base_score": "5.5", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "status": "draft"}, "cwe": "CWE-772", "details": ["A flaw was found in the Linux kernel's Ceph file system component. Improper memory deallocation within the `ceph_mdsc_build_path()` function can lead to memory leaks. This occurs when the \"path\" pointer, obtained by `__getname()`, is not properly freed in error handling paths. Over time, these memory leaks could lead to resource exhaustion, potentially resulting in a Denial of Service (DoS) for the system."], "name": "CVE-2026-43419", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Fix deferred", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Fix deferred", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Fix deferred", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2026-05-08T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-43419\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-43419\nhttps://lore.kernel.org/linux-cve-announce/2026050846-CVE-2026-43419-1421@gregkh/T"], "threat_severity": "Low"}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[3fd945a79e147ee10f84213976889b29049c3519,657dc653b06a3cc0282aea447a3f137fa94066a4)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[3fd945a79e147ee10f84213976889b29049c3519,5895d0164c84d7fec6abc198920c257f55c51899)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[3fd945a79e147ee10f84213976889b29049c3519,097cd68f46686391a98f2618188f0cb7b7570de2)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[3fd945a79e147ee10f84213976889b29049c3519,13b8b9d6f59ef17fb96c298c3a0d62a8306950cc)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[3fd945a79e147ee10f84213976889b29049c3519,040d159a45ded7f33201421a81df0aa2a86e5a0b)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "0f2b2d9e881c90402dbe28f9ba831775b7992e1f"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "d42ad3f161a5a487f81915c406f46943c7187a0a"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "e4b168c64da06954be5d520f6c16469b1cadc069"}}], "enrichment": {"confidence": 99.0, "confidence_source": "inferred", "scores": [{"score": 99.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "Linux", "source": "cna", "vendor": "Linux"}, "product": "linux_kernel", "vendor": "linux"}, {"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "6.6"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[0,6.6)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.6.130,7.0.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.12.78,7.0.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.18.19,7.0.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.19.9,7.0.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[7.0,*]"}}], "enrichment": {"confidence": 99.0, "confidence_source": "inferred", "scores": [{"score": 99.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "Linux", "source": "cna", "vendor": "Linux"}, "product": "linux_kernel", "vendor": "linux"}], "created": "2026-05-08T17:15:16.434770+00:00", "updated": "2026-05-26T16:00:11.917309+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"]}