CVE-2022-49994

In the Linux kernel, the following vulnerability has been resolved:<br /> <br /> bootmem: remove the vmemmap pages from kmemleak in put_page_bootmem<br /> <br /> The vmemmap pages is marked by kmemleak when allocated from memblock. <br /> Remove it from kmemleak when freeing the page. Otherwise, when we reuse<br /> the page, kmemleak may report such an error and then stop working.<br /> <br /> kmemleak: Cannot insert 0xffff98fb6eab3d40 into the object search tree (overlaps existing)<br /> kmemleak: Kernel memory leak detector disabled<br /> kmemleak: Object 0xffff98fb6be00000 (size 335544320):<br /> kmemleak: comm "swapper", pid 0, jiffies 4294892296<br /> kmemleak: min_count = 0<br /> kmemleak: count = 0<br /> kmemleak: flags = 0x1<br /> kmemleak: checksum = 0<br /> kmemleak: backtrace: