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102 lines
4.6 KiB
JSON
102 lines
4.6 KiB
JSON
{
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"id": "CVE-2024-50061",
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"sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
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"published": "2024-10-21T20:15:18.210",
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"lastModified": "2024-10-23T21:48:29.030",
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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\ni3c: master: cdns: Fix use after free vulnerability in cdns_i3c_master Driver Due to Race Condition\n\nIn the cdns_i3c_master_probe function, &master->hj_work is bound with\ncdns_i3c_master_hj. And cdns_i3c_master_interrupt can call\ncnds_i3c_master_demux_ibis function to start the work.\n\nIf we remove the module which will call cdns_i3c_master_remove to\nmake cleanup, it will free master->base through i3c_master_unregister\nwhile the work mentioned above will be used. The sequence of operations\nthat may lead to a UAF bug is as follows:\n\nCPU0 CPU1\n\n | cdns_i3c_master_hj\ncdns_i3c_master_remove |\ni3c_master_unregister(&master->base) |\ndevice_unregister(&master->dev) |\ndevice_release |\n//free master->base |\n | i3c_master_do_daa(&master->base)\n | //use master->base\n\nFix it by ensuring that the work is canceled before proceeding with\nthe cleanup in cdns_i3c_master_remove."
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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: i3c: master: cdns: Arreglar la vulnerabilidad de use after free en el controlador cdns_i3c_master debido a la condici\u00f3n de ejecuci\u00f3n En la funci\u00f3n cdns_i3c_master_probe, &master->hj_work est\u00e1 vinculado con cdns_i3c_master_hj. Y cdns_i3c_master_interrupt puede llamar a la funci\u00f3n cnds_i3c_master_demux_ibis para iniciar el trabajo. Si eliminamos el m\u00f3dulo que llamar\u00e1 a cdns_i3c_master_remove para realizar la limpieza, liberar\u00e1 master->base a trav\u00e9s de i3c_master_unregister mientras se usar\u00e1 el trabajo mencionado anteriormente. La secuencia de operaciones que pueden provocar un error de UAF es la siguiente: CPU0 CPU1 | cdns_i3c_master_hj cdns_i3c_master_remove | Corr\u00edjalo asegur\u00e1ndose de que el trabajo se cancele antes de continuar con la limpieza en cdns_i3c_master_remove."
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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:H/I:H/A:H",
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"baseScore": 7.0,
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"baseSeverity": "HIGH",
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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": "HIGH",
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"integrityImpact": "HIGH",
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"availabilityImpact": "HIGH"
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},
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"exploitabilityScore": 1.0,
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"impactScore": 5.9
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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-416"
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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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"versionEndExcluding": "6.6.57",
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"matchCriteriaId": "D50B3F37-2EA9-4348-B50C-34DCAAF2076E"
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},
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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": "6.7",
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"versionEndExcluding": "6.11.4",
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"matchCriteriaId": "AA84D336-CE9A-4535-B901-1AD77EC17C34"
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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/609366e7a06d035990df78f1562291c3bf0d4a12",
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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/687016d6a1efbfacdd2af913e2108de6b75a28d5",
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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/ea0256e393e0072e8c80fd941547807f0c28108b",
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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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} |