{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2024-56564", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2024-12-27T14:03:05.995Z", "datePublished": "2024-12-27T14:23:08.563Z", "dateUpdated": "2026-05-11T20:54:52.602Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-05-11T20:54:52.602Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nceph: pass cred pointer to ceph_mds_auth_match()\n\nThis eliminates a redundant get_current_cred() call, because\nceph_mds_check_access() has already obtained this pointer.\n\nAs a side effect, this also fixes a reference leak in\nceph_mds_auth_match(): by omitting the get_current_cred() call, no\nadditional cred reference is taken."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["fs/ceph/mds_client.c"], "versions": [{"version": "596afb0b8933ba6ed7227adcc538db26feb25c74", "lessThan": "ffa6ba7bdb7f07f49c9e9150b0176df066520f62", "status": "affected", "versionType": "git"}, {"version": "596afb0b8933ba6ed7227adcc538db26feb25c74", "lessThan": "23426309a4064b25a961e1c72961d8bfc7c8c990", "status": "affected", "versionType": "git"}]}, {"product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["fs/ceph/mds_client.c"], "versions": [{"version": "6.10", "status": "affected"}, {"version": "0", "lessThan": "6.10", "status": "unaffected", "versionType": "semver"}, {"version": "6.12.4", "lessThanOrEqual": "6.12.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.13", "lessThanOrEqual": "*", "status": "unaffected", "versionType": "original_commit_for_fix"}]}], "cpeApplicability": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.10", "versionEndExcluding": "6.12.4"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.10", "versionEndExcluding": "6.13"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/ffa6ba7bdb7f07f49c9e9150b0176df066520f62"}, {"url": "https://git.kernel.org/stable/c/23426309a4064b25a961e1c72961d8bfc7c8c990"}], "title": "ceph: pass cred pointer to ceph_mds_auth_match()", "x_generator": {"engine": "bippy-1.2.0"}}}}

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{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "913C4DF1-5AD7-4CE9-A213-19CEA358B3EE", "versionEndExcluding": "6.12.4", "versionStartIncluding": "6.10", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nceph: pass cred pointer to ceph_mds_auth_match()\n\nThis eliminates a redundant get_current_cred() call, because\nceph_mds_check_access() has already obtained this pointer.\n\nAs a side effect, this also fixes a reference leak in\nceph_mds_auth_match(): by omitting the get_current_cred() call, no\nadditional cred reference is taken."}, {"lang": "es", "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: ceph: pasar el puntero de credenciales a ceph_mds_auth_match() Esto elimina una llamada get_current_cred() redundante, porque ceph_mds_check_access() ya ha obtenido este puntero. Como efecto secundario, esto tambi\u00e9n corrige una fuga de referencia en ceph_mds_auth_match(): al omitir la llamada get_current_cred(), no se toma ninguna referencia de credenciales adicional."}], "id": "CVE-2024-56564", "lastModified": "2025-10-07T18:45:47.163", "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"}]}, "published": "2024-12-27T15:15:15.297", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/23426309a4064b25a961e1c72961d8bfc7c8c990"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/ffa6ba7bdb7f07f49c9e9150b0176df066520f62"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "NVD-CWE-noinfo"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"bugzilla": {"description": "kernel: ceph: pass cred pointer to ceph_mds_auth_match()", "id": "2334475", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2334475"}, "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"}, "details": ["In the Linux kernel, the following vulnerability has been resolved:\nceph: pass cred pointer to ceph_mds_auth_match()\nThis eliminates a redundant get_current_cred() call, because\nceph_mds_check_access() has already obtained this pointer.\nAs a side effect, this also fixes a reference leak in\nceph_mds_auth_match(): by omitting the get_current_cred() call, no\nadditional cred reference is taken."], "name": "CVE-2024-56564", "package_state": [{"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": "Out of support scope", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Out of support scope", "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": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2024-12-27T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2024-56564\nhttps://nvd.nist.gov/vuln/detail/CVE-2024-56564\nhttps://lore.kernel.org/linux-cve-announce/2024122714-CVE-2024-56564-7587@gregkh/T"], "threat_severity": "Low"}

{"created": "2025-07-12T22:09:51.195795+00:00", "updated": "2025-07-12T22:09:51.195862+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"]}