VULN/vuln-cve
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vuln-cve/data/2023/52xxx/CVE-2023-52730.json
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{
"dataType": "CVE_RECORD",
"dataVersion": "5.2",
"cveMetadata": {
"cveId": "CVE-2023-52730",
"assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"state": "PUBLISHED",
"assignerShortName": "Linux",
"dateReserved": "2024-05-21T15:19:24.232Z",
"datePublished": "2024-05-21T15:22:56.633Z",
"dateUpdated": "2026-05-11T19:32:08.191Z"
},
"containers": {
"cna": {
"providerMetadata": {
"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"shortName": "Linux",
"dateUpdated": "2026-05-11T19:32:08.191Z"
},
"descriptions": [
{
"lang": "en",
"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nmmc: sdio: fix possible resource leaks in some error paths\n\nIf sdio_add_func() or sdio_init_func() fails, sdio_remove_func() can\nnot release the resources, because the sdio function is not presented\nin these two cases, it won't call of_node_put() or put_device().\n\nTo fix these leaks, make sdio_func_present() only control whether\ndevice_del() needs to be called or not, then always call of_node_put()\nand put_device().\n\nIn error case in sdio_init_func(), the reference of 'card->dev' is\nnot get, to avoid redundant put in sdio_free_func_cis(), move the\nget_device() to sdio_alloc_func() and put_device() to sdio_release_func(),\nit can keep the get/put function be balanced.\n\nWithout this patch, while doing fault inject test, it can get the\nfollowing leak reports, after this fix, the leak is gone.\n\nunreferenced object 0xffff888112514000 (size 2048):\n comm \"kworker/3:2\", pid 65, jiffies 4294741614 (age 124.774s)\n hex dump (first 32 bytes):\n 00 e0 6f 12 81 88 ff ff 60 58 8d 06 81 88 ff ff ..o.....`X......\n 10 40 51 12 81 88 ff ff 10 40 51 12 81 88 ff ff .@Q......@Q.....\n backtrace:\n [<000000009e5931da>] kmalloc_trace+0x21/0x110\n [<000000002f839ccb>] mmc_alloc_card+0x38/0xb0 [mmc_core]\n [<0000000004adcbf6>] mmc_sdio_init_card+0xde/0x170 [mmc_core]\n [<000000007538fea0>] mmc_attach_sdio+0xcb/0x1b0 [mmc_core]\n [<00000000d4fdeba7>] mmc_rescan+0x54a/0x640 [mmc_core]\n\nunreferenced object 0xffff888112511000 (size 2048):\n comm \"kworker/3:2\", pid 65, jiffies 4294741623 (age 124.766s)\n hex dump (first 32 bytes):\n 00 40 51 12 81 88 ff ff e0 58 8d 06 81 88 ff ff .@Q......X......\n 10 10 51 12 81 88 ff ff 10 10 51 12 81 88 ff ff ..Q.......Q.....\n backtrace:\n [<000000009e5931da>] kmalloc_trace+0x21/0x110\n [<00000000fcbe706c>] sdio_alloc_func+0x35/0x100 [mmc_core]\n [<00000000c68f4b50>] mmc_attach_sdio.cold.18+0xb1/0x395 [mmc_core]\n [<00000000d4fdeba7>] mmc_rescan+0x54a/0x640 [mmc_core]"
}
],
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"vendor": "Linux",
"defaultStatus": "unaffected",
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"programFiles": [
"drivers/mmc/core/sdio_bus.c",
"drivers/mmc/core/sdio_cis.c"
],
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{
"product": "Linux",
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"defaultStatus": "affected",
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"programFiles": [
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"drivers/mmc/core/sdio_cis.c"
],
"versions": [
{
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"status": "affected"
},
{
"version": "0",
"lessThan": "2.6.33",
"status": "unaffected",
"versionType": "semver"
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{
"version": "4.14.306",
"lessThanOrEqual": "4.14.*",
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{
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"lessThanOrEqual": "4.19.*",
"status": "unaffected",
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{
"version": "5.4.232",
"lessThanOrEqual": "5.4.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "5.10.169",
"lessThanOrEqual": "5.10.*",
"status": "unaffected",
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},
{
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"lessThanOrEqual": "5.15.*",
"status": "unaffected",
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},
{
"version": "6.1.13",
"lessThanOrEqual": "6.1.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "6.2",
"lessThanOrEqual": "*",
"status": "unaffected",
"versionType": "original_commit_for_fix"
}
]
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"cpeApplicability": [
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"nodes": [
{
"operator": "OR",
"negate": false,
"cpeMatch": [
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"dateUpdated": "2024-08-02T23:11:35.273Z"
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"title": "CVE Program Container",
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"metrics": [
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"other": {
"type": "ssvc",
"content": {
"id": "CVE-2023-52730",
"role": "CISA Coordinator",
"options": [
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"Exploitation": "none"
},
{
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"version": "2.0.3",
"timestamp": "2024-09-10T15:37:41.339440Z"
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"title": "CISA ADP Vulnrichment",
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"dateUpdated": "2024-09-11T17:32:56.604Z"
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}
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