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vuln-cve/data/2023/52xxx/CVE-2023-52749.json
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{
"dataType": "CVE_RECORD",
"dataVersion": "5.2",
"cveMetadata": {
"cveId": "CVE-2023-52749",
"assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"state": "PUBLISHED",
"assignerShortName": "Linux",
"dateReserved": "2024-05-21T15:19:24.234Z",
"datePublished": "2024-05-21T15:30:38.904Z",
"dateUpdated": "2026-05-11T19:32:27.438Z"
},
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"dateUpdated": "2026-05-11T19:32:27.438Z"
},
"descriptions": [
{
"lang": "en",
"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nspi: Fix null dereference on suspend\n\nA race condition exists where a synchronous (noqueue) transfer can be\nactive during a system suspend. This can cause a null pointer\ndereference exception to occur when the system resumes.\n\nExample order of events leading to the exception:\n1. spi_sync() calls __spi_transfer_message_noqueue() which sets\n ctlr->cur_msg\n2. Spi transfer begins via spi_transfer_one_message()\n3. System is suspended interrupting the transfer context\n4. System is resumed\n6. spi_controller_resume() calls spi_start_queue() which resets cur_msg\n to NULL\n7. Spi transfer context resumes and spi_finalize_current_message() is\n called which dereferences cur_msg (which is now NULL)\n\nWait for synchronous transfers to complete before suspending by\nacquiring the bus mutex and setting/checking a suspend flag."
}
],
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"product": "Linux",
"vendor": "Linux",
"defaultStatus": "unaffected",
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"programFiles": [
"drivers/spi/spi.c",
"include/linux/spi/spi.h"
],
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"status": "affected",
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"status": "affected",
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}
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"vendor": "Linux",
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"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"programFiles": [
"drivers/spi/spi.c",
"include/linux/spi/spi.h"
],
"versions": [
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{
"version": "6.1.66",
"lessThanOrEqual": "6.1.*",
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},
{
"version": "6.6.3",
"lessThanOrEqual": "6.6.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "6.7",
"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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"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "6.0",
"versionEndExcluding": "6.1.66"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "6.0",
"versionEndExcluding": "6.6.3"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "6.0",
"versionEndExcluding": "6.7"
}
]
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],
"references": [
{
"url": "https://git.kernel.org/stable/c/4ec4508db97502a12daee88c74782e8d35ced068"
},
{
"url": "https://git.kernel.org/stable/c/96474ea47dc67b0704392d59192b233c8197db0e"
},
{
"url": "https://git.kernel.org/stable/c/bef4a48f4ef798c4feddf045d49e53c8a97d5e37"
}
],
"title": "spi: Fix null dereference on suspend",
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"other": {
"type": "ssvc",
"content": {
"timestamp": "2024-06-17T17:36:59.089454Z",
"id": "CVE-2023-52749",
"options": [
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"role": "CISA Coordinator",
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"shortName": "CVE",
"dateUpdated": "2024-08-02T23:11:35.612Z"
},
"title": "CVE Program Container",
"references": [
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"url": "https://git.kernel.org/stable/c/4ec4508db97502a12daee88c74782e8d35ced068",
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