232 lines
11 KiB
JSON
232 lines
11 KiB
JSON
{
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"dataType": "CVE_RECORD",
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"dataVersion": "5.2",
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"cveMetadata": {
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"cveId": "CVE-2022-48815",
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"assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
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"state": "PUBLISHED",
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"assignerShortName": "Linux",
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"dateReserved": "2024-07-16T11:38:08.900Z",
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"datePublished": "2024-07-16T11:44:03.971Z",
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"dateUpdated": "2026-05-11T18:47:40.094Z"
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},
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"containers": {
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"cna": {
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"providerMetadata": {
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"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
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"shortName": "Linux",
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"dateUpdated": "2026-05-11T18:47:40.094Z"
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},
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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: bcm_sf2: 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 Starfighter 2 is a platform device, so the initial set of\nconstraints that I thought would cause this (I2C or SPI buses which call\n->remove on ->shutdown) do not apply. But there is one more which\napplies 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 bcm_sf2 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 bcm_sf2 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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"affected": [
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{
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"product": "Linux",
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"vendor": "Linux",
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"defaultStatus": "unaffected",
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"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
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"programFiles": [
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"drivers/net/dsa/bcm_sf2.c"
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],
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"versions": [
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{
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"version": "ac3a68d56651c3dad2c12c7afce065fe15267f44",
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"lessThan": "2770b795294ed312375c11ef1d0b810499c66b83",
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"status": "affected",
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"versionType": "git"
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},
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{
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"version": "ac3a68d56651c3dad2c12c7afce065fe15267f44",
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"lessThan": "caabb5f64f5c32fceed93356bb688ef1ec6c5783",
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"status": "affected",
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"versionType": "git"
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},
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{
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"version": "ac3a68d56651c3dad2c12c7afce065fe15267f44",
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"lessThan": "08e1a3554e99a1a5bd2835907381e2383ee85cae",
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"status": "affected",
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"versionType": "git"
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},
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{
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"version": "ac3a68d56651c3dad2c12c7afce065fe15267f44",
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"lessThan": "08f1a20822349004bb9cc1b153ecb516e9f2889d",
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"status": "affected",
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"versionType": "git"
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}
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]
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},
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{
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"product": "Linux",
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"vendor": "Linux",
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"defaultStatus": "affected",
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"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
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"programFiles": [
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"drivers/net/dsa/bcm_sf2.c"
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],
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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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}
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],
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"cpeApplicability": [
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"nodes": [
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"operator": "OR",
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"negate": false,
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"cpeMatch": [
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"vulnerable": true,
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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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"versionStartIncluding": "5.9",
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"versionEndExcluding": "5.10.101"
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},
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"vulnerable": true,
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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/2770b795294ed312375c11ef1d0b810499c66b83"
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{
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"url": "https://git.kernel.org/stable/c/caabb5f64f5c32fceed93356bb688ef1ec6c5783"
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{
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"url": "https://git.kernel.org/stable/c/08e1a3554e99a1a5bd2835907381e2383ee85cae"
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}
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],
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"title": "net: dsa: bcm_sf2: don't use devres for mdiobus",
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"type": "ssvc",
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"content": {
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"id": "CVE-2022-48815",
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"role": "CISA Coordinator",
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"options": [
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{
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"Exploitation": "none"
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},
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{
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"title": "CISA ADP Vulnrichment",
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