mirror of
https://github.com/fkie-cad/nvd-json-data-feeds.git
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94 lines
4.1 KiB
JSON
94 lines
4.1 KiB
JSON
{
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"id": "CVE-2024-39472",
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"sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
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"published": "2024-07-05T07:15:10.020",
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"lastModified": "2024-08-19T05:15:06.543",
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"vulnStatus": "Modified",
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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\nxfs: fix log recovery buffer allocation for the legacy h_size fixup\n\nCommit a70f9fe52daa (\"xfs: detect and handle invalid iclog size set by\nmkfs\") added a fixup for incorrect h_size values used for the initial\numount record in old xfsprogs versions. Later commit 0c771b99d6c9\n(\"xfs: clean up calculation of LR header blocks\") cleaned up the log\nreover buffer calculation, but stoped using the fixed up h_size value\nto size the log recovery buffer, which can lead to an out of bounds\naccess when the incorrect h_size does not come from the old mkfs\ntool, but a fuzzer.\n\nFix this by open coding xlog_logrec_hblks and taking the fixed h_size\ninto account for this calculation."
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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: xfs: corrige la asignaci\u00f3n del b\u00fafer de recuperaci\u00f3n de registros para la correcci\u00f3n heredada de h_size. El commit a70f9fe52daa (\"xfs: detecta y maneja el tama\u00f1o de iclog no v\u00e1lido establecido por mkfs\") agreg\u00f3 una correcci\u00f3n para los valores incorrectos de h_size usados para el registro desmontaje inicial en versiones antiguas de xfsprogs. Posteriormente, el commit 0c771b99d6c9 (\"xfs: c\u00e1lculo de limpieza de bloques de encabezado LR\") limpi\u00f3 el c\u00e1lculo del b\u00fafer de recuperaci\u00f3n de registros, pero dej\u00f3 de usar el valor h_size fijo para dimensionar el b\u00fafer de recuperaci\u00f3n de registros, lo que puede provocar un acceso fuera de los l\u00edmites cuando el h_size incorrecto no proviene de la antigua herramienta mkfs, sino de un fuzzer. Solucione este problema abriendo la codificaci\u00f3n xlog_logrec_hblks y teniendo en cuenta el h_size fijo para este c\u00e1lculo."
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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:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
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"attackVector": "LOCAL",
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"attackComplexity": "LOW",
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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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"baseScore": 5.5,
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"baseSeverity": "MEDIUM"
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},
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"exploitabilityScore": 1.8,
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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-770"
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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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"versionEndIncluding": "6.9.3",
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"matchCriteriaId": "FE25FF84-C614-42A2-B1D1-02DDB269B4FC"
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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/45cf976008ddef4a9c9a30310c9b4fb2a9a6602a",
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"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
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"tags": [
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"Mailing List",
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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/57835c0e7152e36b03875dd6c56dfeed685c1b1f",
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"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
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},
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{
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"url": "https://git.kernel.org/stable/c/c2389c074973aa94e34992e7f66dac0de37595b5",
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"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
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},
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{
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"url": "https://git.kernel.org/stable/c/f754591b17d0ee91c2b45fe9509d0cdc420527cb",
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"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
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}
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]
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} |