mirror of
https://github.com/fkie-cad/nvd-json-data-feeds.git
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89 lines
3.3 KiB
JSON
89 lines
3.3 KiB
JSON
{
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"id": "CVE-2024-49872",
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"sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
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"published": "2024-10-21T18:15:08.587",
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"lastModified": "2024-11-13T14:26:11.547",
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"vulnStatus": "Analyzed",
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"cveTags": [],
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"descriptions": [
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{
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"lang": "en",
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"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."
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},
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{
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"lang": "es",
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"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."
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}
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],
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"metrics": {
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"cvssMetricV31": [
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{
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"source": "nvd@nist.gov",
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"type": "Primary",
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"cvssData": {
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"version": "3.1",
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"vectorString": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H",
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"baseScore": 4.7,
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"baseSeverity": "MEDIUM",
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"attackVector": "LOCAL",
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"attackComplexity": "HIGH",
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"privilegesRequired": "LOW",
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"userInteraction": "NONE",
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"scope": "UNCHANGED",
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"confidentialityImpact": "NONE",
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"integrityImpact": "NONE",
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"availabilityImpact": "HIGH"
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},
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"exploitabilityScore": 1.0,
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"impactScore": 3.6
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}
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]
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},
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"weaknesses": [
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{
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"source": "nvd@nist.gov",
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"type": "Primary",
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"description": [
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{
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"lang": "en",
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"value": "CWE-362"
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}
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]
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}
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],
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"configurations": [
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{
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"nodes": [
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{
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"operator": "OR",
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"negate": false,
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"cpeMatch": [
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{
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"vulnerable": true,
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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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"versionStartIncluding": "6.11",
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"versionEndExcluding": "6.11.3",
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"matchCriteriaId": "54D9C704-D679-41A7-9C40-10A6B1E7FFE9"
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}
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]
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}
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]
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}
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],
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"references": [
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{
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"url": "https://git.kernel.org/stable/c/ce645b9fdc78ec5d28067286e92871ddae6817d5",
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"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
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"tags": [
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"Patch"
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]
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},
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{
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"url": "https://git.kernel.org/stable/c/e28f39b359c0cfdcc011603e51187085a5f1e5e3",
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"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
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"tags": [
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"Patch"
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]
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}
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]
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} |