CVE-2023-52801: iommufd: Fix missing update of domains_itree after splitting iopt_area
First published: Tue May 21 2024(Updated: )
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.
Credit: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
| Affected Software | Affected Version | How to fix |
|---|---|---|
| redhat/kernel | <6.5.13 | 6.5.13 |
| redhat/kernel | <6.6.3 | 6.6.3 |
| redhat/kernel | <6.7 | 6.7 |
| Linux Kernel | >=6.2<6.5.13 | |
| Linux Kernel | >=6.6<6.6.3 |
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Reference Links
- https://git.kernel.org/stable/c/836db2e7e4565d8218923b3552304a1637e2f28d
- https://git.kernel.org/stable/c/e7250ab7ca4998fe026f2149805b03e09dc32498
- https://git.kernel.org/stable/c/fcb32111f01ddf3cbd04644cde1773428e31de6a
- https://access.redhat.com/security/cve/CVE-2023-52801
- https://lore.kernel.org/linux-cve-announce/2024052159-CVE-2023-52801-b287@gregkh/T
- https://access.redhat.com/errata/RHSA-2024:6567
- https://bugzilla.redhat.com/show_bug.cgi?id=2282709
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