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.
[
{
"signature_type": "Function",
"digest": {
"function_hash": "117399328622320694808815290011580524681",
"length": 1766.0
},
"target": {
"file": "drivers/iommu/iommufd/io_pagetable.c",
"function": "iopt_area_split"
},
"signature_version": "v1",
"id": "CVE-2023-52801-27821468",
"deprecated": false,
"source": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git@fcb32111f01ddf3cbd04644cde1773428e31de6a"
},
{
"signature_type": "Line",
"digest": {
"threshold": 0.9,
"line_hashes": [
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"208419378661588398480359131438047768795",
"65978723469241420189220006589546250840"
]
},
"target": {
"file": "drivers/iommu/iommufd/io_pagetable.c"
},
"signature_version": "v1",
"id": "CVE-2023-52801-7e3797a4",
"deprecated": false,
"source": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git@836db2e7e4565d8218923b3552304a1637e2f28d"
},
{
"signature_type": "Function",
"digest": {
"function_hash": "36286984632937619884566745855128326976",
"length": 1846.0
},
"target": {
"file": "drivers/iommu/iommufd/io_pagetable.c",
"function": "iopt_area_split"
},
"signature_version": "v1",
"id": "CVE-2023-52801-7f1b22a5",
"deprecated": false,
"source": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git@e7250ab7ca4998fe026f2149805b03e09dc32498"
},
{
"signature_type": "Line",
"digest": {
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]
},
"target": {
"file": "drivers/iommu/iommufd/io_pagetable.c"
},
"signature_version": "v1",
"id": "CVE-2023-52801-914c626a",
"deprecated": false,
"source": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git@fcb32111f01ddf3cbd04644cde1773428e31de6a"
},
{
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"digest": {
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]
},
"target": {
"file": "drivers/iommu/iommufd/io_pagetable.c"
},
"signature_version": "v1",
"id": "CVE-2023-52801-996f2e70",
"deprecated": false,
"source": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git@e7250ab7ca4998fe026f2149805b03e09dc32498"
},
{
"signature_type": "Function",
"digest": {
"function_hash": "117399328622320694808815290011580524681",
"length": 1766.0
},
"target": {
"file": "drivers/iommu/iommufd/io_pagetable.c",
"function": "iopt_area_split"
},
"signature_version": "v1",
"id": "CVE-2023-52801-f0c1a138",
"deprecated": false,
"source": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git@836db2e7e4565d8218923b3552304a1637e2f28d"
}
]