CVE-2026-64068: Improper Locking

In the Linux kernel, the following vulnerability has been resolved: netfs: Fix missing locking around retry adding new subreqs Fix netfsretryreadsubrequests and netfsretrywritestream to take the appropriate lock when adding extra subrequests into stream-subrequests...

The vulnerability of the netfs_retry_write_stream() function in the fs/netfs/write_retry.c module of the Linux operating system allows a attacker to cause a service failure.

The vulnerability of the netfsretrywritestream function in the fs/netfs/writeretry.c module of the Linux operating system is related to the violation of the buffer’s initial limit. Exploiting this vulnerability could allow an attacker to cause a service failure...