CVE-2026-64244: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: drivers/base/memory: set mem-altmap after successful device registration If addmemoryblock fails at xastore under memory pressure for example, deviceunregister is called, which eventually triggers memoryblockrelease with mem-altm...

PT-2026-61499

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A memory block reference leak occurs in poison accounting. The functions memblk nr poison inc and memblk nr poison sub utilize find memory block by id to look up a memory block, which...

CVE-2026-64182: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: drivers/base/memory: fix memory block reference leak in poison accounting memblknrpoisoninc and memblknrpoisonsub look up a memory block via findmemoryblockbyid, which acquires a reference to the memory block device. Both helpers...