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https://github.com/CVEProject/cvelist.git
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124 lines
6.8 KiB
JSON
124 lines
6.8 KiB
JSON
{
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"data_version": "4.0",
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"data_type": "CVE",
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"data_format": "MITRE",
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"CVE_data_meta": {
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"ID": "CVE-2022-48812",
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"ASSIGNER": "cve@kernel.org",
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"STATE": "PUBLIC"
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},
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"description": {
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"description_data": [
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{
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"lang": "eng",
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"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet: dsa: lantiq_gswip: don't use devres for mdiobus\n\nAs explained in commits:\n74b6d7d13307 (\"net: dsa: realtek: register the MDIO bus under devres\")\n5135e96a3dd2 (\"net: dsa: don't allocate the slave_mii_bus using devres\")\n\nmdiobus_free() will panic when called from devm_mdiobus_free() <-\ndevres_release_all() <- __device_release_driver(), and that mdiobus was\nnot previously unregistered.\n\nThe GSWIP switch is a platform device, so the initial set of constraints\nthat I thought would cause this (I2C or SPI buses which call ->remove on\n->shutdown) do not apply. But there is one more which applies here.\n\nIf the DSA master itself is on a bus that calls ->remove from ->shutdown\n(like dpaa2-eth, which is on the fsl-mc bus), there is a device link\nbetween the switch and the DSA master, and device_links_unbind_consumers()\nwill unbind the GSWIP switch driver on shutdown.\n\nSo the same treatment must be applied to all DSA switch drivers, which\nis: either use devres for both the mdiobus allocation and registration,\nor don't use devres at all.\n\nThe gswip driver has the code structure in place for orderly mdiobus\nremoval, so just replace devm_mdiobus_alloc() with the non-devres\nvariant, and add manual free where necessary, to ensure that we don't\nlet devres free a still-registered bus."
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}
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]
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},
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"problemtype": {
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"problemtype_data": [
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{
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"description": [
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{
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"lang": "eng",
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"value": "n/a"
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}
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]
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}
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]
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},
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"affects": {
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"vendor": {
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"vendor_data": [
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{
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"vendor_name": "Linux",
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"product": {
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"product_data": [
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{
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"product_name": "Linux",
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"version": {
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"version_data": [
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{
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"version_affected": "<",
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"version_name": "ac3a68d56651",
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"version_value": "e177d2e85ebc"
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},
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{
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"version_value": "not down converted",
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"x_cve_json_5_version_data": {
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"versions": [
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{
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"version": "5.9",
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"status": "affected"
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},
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{
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"version": "0",
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"lessThan": "5.9",
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"status": "unaffected",
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"versionType": "semver"
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},
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{
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"version": "5.10.101",
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"lessThanOrEqual": "5.10.*",
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"status": "unaffected",
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"versionType": "semver"
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},
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{
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"version": "5.15.24",
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"lessThanOrEqual": "5.15.*",
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"status": "unaffected",
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"versionType": "semver"
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},
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{
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"version": "5.16.10",
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"lessThanOrEqual": "5.16.*",
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"status": "unaffected",
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"versionType": "semver"
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},
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{
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"version": "5.17",
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"lessThanOrEqual": "*",
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"status": "unaffected",
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"versionType": "original_commit_for_fix"
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}
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],
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"defaultStatus": "affected"
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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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}
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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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"reference_data": [
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{
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"url": "https://git.kernel.org/stable/c/e177d2e85ebcd3008c4b2abc293f4118e04eedef",
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"refsource": "MISC",
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"name": "https://git.kernel.org/stable/c/e177d2e85ebcd3008c4b2abc293f4118e04eedef"
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},
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{
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"url": "https://git.kernel.org/stable/c/b5652bc50dde7b84e93dfb25479b64b817e377c1",
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"refsource": "MISC",
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"name": "https://git.kernel.org/stable/c/b5652bc50dde7b84e93dfb25479b64b817e377c1"
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},
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{
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"url": "https://git.kernel.org/stable/c/2443ba2fe396bdde187a2fdfa6a57375643ae93c",
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"refsource": "MISC",
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"name": "https://git.kernel.org/stable/c/2443ba2fe396bdde187a2fdfa6a57375643ae93c"
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},
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{
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"url": "https://git.kernel.org/stable/c/0d120dfb5d67edc5bcd1804e167dba2b30809afd",
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"refsource": "MISC",
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"name": "https://git.kernel.org/stable/c/0d120dfb5d67edc5bcd1804e167dba2b30809afd"
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}
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]
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},
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"generator": {
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"engine": "bippy-9e1c9544281a"
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}
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} |