CVE-2023-54139

*** Pendiente de traducción *** In the Linux kernel, the following vulnerability has been resolved:<br /> <br /> tracing/user_events: Ensure write index cannot be negative<br /> <br /> The write index indicates which event the data is for and accesses a<br /> per-file array. The index is passed by user processes during write()<br /> calls as the first 4 bytes. Ensure that it cannot be negative by<br /> returning -EINVAL to prevent out of bounds accesses.<br /> <br /> Update ftrace self-test to ensure this occurs properly.