CVE-2023-52910: Undefined Security Weakness

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...