CVE-2024-49872

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{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Linux", "programFiles": ["mm/gup.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"lessThan": "e28f39b359c0cfdcc011603e51187085a5f1e5e3", "status": "affected", "version": "89c1905d9c140372b7f50ef48f42378cf85d9bc5", "versionType": "git"}, {"lessThan": "ce645b9fdc78ec5d28067286e92871ddae6817d5", "status": "affected", "version": "89c1905d9c140372b7f50ef48f42378cf85d9bc5", "versionType": "git"}]}, {"defaultStatus": "affected", "product": "Linux", "programFiles": ["mm/gup.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"status": "affected", "version": "6.11"}, {"lessThan": "6.11", "status": "unaffected", "version": "0", "versionType": "semver"}, {"lessThanOrEqual": "6.11.*", "status": "unaffected", "version": "6.11.3", "versionType": "semver"}, {"lessThanOrEqual": "*", "status": "unaffected", "version": "6.12", "versionType": "original_commit_for_fix"}]}], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "54D9C704-D679-41A7-9C40-10A6B1E7FFE9", "versionEndExcluding": "6.11.3", "versionStartIncluding": "6.11", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nmm/gup: fix memfd_pin_folios alloc race panic\n\nIf memfd_pin_folios tries to create a hugetlb page, but someone else\nalready did, then folio gets the value -EEXIST here:\n\n folio = memfd_alloc_folio(memfd, start_idx);\n if (IS_ERR(folio)) {\n ret = PTR_ERR(folio);\n if (ret != -EEXIST)\n goto err;\n\nthen on the next trip through the \"while start_idx\" loop we panic here:\n\n if (folio) {\n folio_put(folio);\n\nTo fix, set the folio to NULL on error."}, {"lang": "es", "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: mm/gup: corregir p\u00e1nico en ejecuci\u00f3n de asignaci\u00f3n de memfd_pin_folios Si memfd_pin_folios intenta crear una p\u00e1gina hugetlb, pero alguien m\u00e1s ya lo hizo, entonces folio obtiene el valor -EEXIST aqu\u00ed: folio = memfd_alloc_folio(memfd, start_idx); if (IS_ERR(folio)) { ret = PTR_ERR(folio); if (ret != -EEXIST) goto err; luego en el siguiente viaje a trav\u00e9s del bucle \"while start_idx\" entramos en p\u00e1nico aqu\u00ed: if (folio) { folio_put(folio); Para corregirlo, configure folio en NULL en caso de error."}], "id": "CVE-2024-49872", "lastModified": "2026-06-17T08:00:37.747", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "HIGH", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 4.7, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 1.0, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2024-49872", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2024-10-22T13:46:48.511178Z", "version": "2.0.3"}}]}, "published": "2024-10-21T18:15:08.587", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/ce645b9fdc78ec5d28067286e92871ddae6817d5"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/e28f39b359c0cfdcc011603e51187085a5f1e5e3"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-362"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"bugzilla": {"description": "kernel: mm/gup: fix memfd_pin_folios alloc race panic", "id": "2320440", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2320440"}, "csaw": false, "cvss3": {"cvss3_base_score": "4.7", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H", "status": "draft"}, "cwe": "CWE-362", "details": ["In the Linux kernel, the following vulnerability has been resolved:\nmm/gup: fix memfd_pin_folios alloc race panic\nIf memfd_pin_folios tries to create a hugetlb page, but someone else\nalready did, then folio gets the value -EEXIST here:\nfolio = memfd_alloc_folio(memfd, start_idx);\nif (IS_ERR(folio)) {\nret = PTR_ERR(folio);\nif (ret != -EEXIST)\ngoto err;\nthen on the next trip through the \"while start_idx\" loop we panic here:\nif (folio) {\nfolio_put(folio);\nTo fix, set the folio to NULL on error."], "name": "CVE-2024-49872", "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": "2024-10-21T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2024-49872\nhttps://nvd.nist.gov/vuln/detail/CVE-2024-49872\nhttps://lore.kernel.org/linux-cve-announce/2024102114-CVE-2024-49872-16d4@gregkh/T"], "threat_severity": "Moderate"}

{}