CVE-2021-46988

In the Linux kernel, the following vulnerability has been resolved: userfaultfd: release page in error path to avoid BUGON Consider the following sequence of events: 1. Userspace issues a UFFD ioctl, which ends up calling into shmemmfillatomicpte. We successfully account the blocks, we...

PT-2024-11095 · Linux +2 · Linux Kernel +2

Name of the Vulnerable Software and Affected Versions: Linux kernel affected versions not specified Description: The issue arises when userspace issues a UFFD ioctl, which calls into shmem mfill atomic pte. If the copy from user fails after successfully accounting blocks and allocating a page wit...