mirror of
https://github.com/fkie-cad/nvd-json-data-feeds.git
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124 lines
4.9 KiB
JSON
124 lines
4.9 KiB
JSON
{
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"id": "CVE-2022-49582",
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"sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
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"published": "2025-02-26T07:01:33.807",
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"lastModified": "2025-03-10T21:11:23.753",
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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\nnet: dsa: fix NULL pointer dereference in dsa_port_reset_vlan_filtering\n\nThe \"ds\" iterator variable used in dsa_port_reset_vlan_filtering() ->\ndsa_switch_for_each_port() overwrites the \"dp\" received as argument,\nwhich is later used to call dsa_port_vlan_filtering() proper.\n\nAs a result, switches which do enter that code path (the ones with\nvlan_filtering_is_global=true) will dereference an invalid dp in\ndsa_port_reset_vlan_filtering() after leaving a VLAN-aware bridge.\n\nUse a dedicated \"other_dp\" iterator variable to avoid this from\nhappening."
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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: net: dsa: fix NULL pointer dereference in dsa_port_reset_vlan_filtering La variable de iterador \"ds\" utilizada en dsa_port_reset_vlan_filtering() -> dsa_switch_for_each_port() sobrescribe el \"dp\" recibido como argumento, que luego se utiliza para llamar a dsa_port_vlan_filtering() correctamente. Como resultado, los conmutadores que ingresan a esa ruta de c\u00f3digo (los que tienen vlan_filtering_is_global=true) desreferenciar\u00e1n un dp no v\u00e1lido en dsa_port_reset_vlan_filtering() despu\u00e9s de abandonar un puente con reconocimiento de VLAN. Utilice una variable de iterador \"other_dp\" dedicada para evitar que esto suceda."
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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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"baseScore": 5.5,
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"baseSeverity": "MEDIUM",
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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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},
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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-476"
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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": "5.16",
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"versionEndExcluding": "5.18.15",
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"matchCriteriaId": "EAD6B571-194C-43A2-A4AB-F68F869D13BC"
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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:5.19:rc1:*:*:*:*:*:*",
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"matchCriteriaId": "A8C30C2D-F82D-4D37-AB48-D76ABFBD5377"
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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/1699b4d502eda3c7ea4070debad3ee570b5091b1",
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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/3240e12fe203a3a79b9814e83327106b770ed7b0",
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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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} |