CVE-2025-68239 binfmt_misc: restore write access before closing files opened by open_exec()

In the Linux kernel, the following vulnerability has been resolved: binfmtmisc: restore write access before closing files opened by openexec bmregisterwrite opens an executable file using openexec, which internally calls doopenexecat and denies write access on the file to avoid modification while...

PT-2025-51652

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A flaw exists in the Linux kernel’s binfmt misc subsystem. Specifically, the bm register write function opens an executable file using open exec, which restricts write access to prevent...