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CVE-2023-52801

iommufd: Fix missing update of domains_itree after splitting iopt_area

CVSS 9.1 CRITICALEPSS 0.9%CWE-284
In the Linux kernel, the following vulnerability has been resolved: iommufd: Fix missing update of domains_itree after splitting iopt_area In iopt_area_split(), if the original iopt_area has filled a domain and is linked to domains_itree, pages_nodes have to be properly reinserted. Otherwise the domains_itree becomes corrupted and we will UAF.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H
Affected products
Linux · Linux

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References
https://git.kernel.org/stable/c/836db2e7e4565d8218923b3552304a1637e2f28dhttps://git.kernel.org/stable/c/e7250ab7ca4998fe026f2149805b03e09dc32498https://git.kernel.org/stable/c/fcb32111f01ddf3cbd04644cde1773428e31de6a