CVE-2023-52910

An integer overflow vulnerability was found in the Linux kernel. If iovad-anchor.pfnhi is 0UL, then when iovad-cachednode is iovad-anchor, curriova-pfnhi will overflow. As a result, if the retry logic is executed, lowpfn is updated to 0, and then newpfn lowpfn returns false to make the allocation...