In the Linux kernel, the following vulnerability has been resolved:
iommufd: Fix missing update of domainsitree after splitting ioptarea
In ioptareasplit(), if the original ioptarea has filled a domain and is linked to domainsitree, pagesnodes have to be properly reinserted. Otherwise the domainsitree becomes corrupted and we will UAF.
{
"cna_assigner": "Linux",
"osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/52xxx/CVE-2023-52801.json"
}"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2023-52801.json"
[
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"id": "CVE-2023-52801-27821468",
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"target": {
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"function": "iopt_area_split"
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"deprecated": false,
"target": {
"file": "drivers/iommu/iommufd/io_pagetable.c",
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"id": "CVE-2023-52801-914c626a",
"deprecated": false,
"target": {
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{
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"id": "CVE-2023-52801-996f2e70",
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"target": {
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}
}
]