The vulnerability of the userfaultfd_writeprotect() function in the fs/userfaultfd.c module of the Linux file system support module allows a attacker to compromise the confidentiality, integrity, and accessibility of the protected information.

The vulnerability of the userfaultfdwriteprotect function in the fs/userfaultfd.c module of the Linux file system support module is related to synchronization errors when using shared resources. Exploiting this vulnerability can allow an attacker to compromise the confidentiality, integrity, and...

Linux Distros Unpatched Vulnerability : CVE-2021-47461

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - In the Linux kernel, the following vulnerability has been resolved: userfaultfd: fix a race between writeprotect and exitmmap A race is possible when a process...

kernel: userfaultfd: fix a race between writeprotect and exit_mmap()

A possible race condition flaw was found in the Linux kernel. When a process exits, its virtual memory areas VMAs are removed by exitmmap, and at the same time, userfaultfdwriteprotect is called...