DEBIAN-CVE-2023-52910

In the Linux kernel, the following vulnerability has been resolved: iommu/iova: Fix alloc iova overflows issue In allocandinsertiovarange, there is an issue that retrypfn overflows. The value of iovad-anchor.pfnhi is 0UL, then when iovad-cachednode is iovad-anchor, curriova-pfnhi + 1 will overflo...

CVE-2023-52910

CVE-2023-52910 (Linux kernel, iommu/iova overflow) : In __alloc_and_insert_iova_range, retry_pfn can overflow because iovad->anchor.pfn_hi is ~0UL. When iovad->cached_node == iovad->anchor, curr_iova->pfn_hi + 1 overflows, causing low_pfn to reset to 0 and making new_pfn