CyberRota Analysis
AI-GeneratedThe vulnerability affects the Linux kernel's sysfs implementation, specifically during the update process of named groups where a failure in file creation can lead to the unintended removal of existing directories. This could result in the loss of critical sysfs group data, potentially disrupting system operations or configurations that rely on these directories. Administrators and developers managing Linux systems should prioritize this issue to ensure the integrity of sysfs data and prevent operational disruptions.
Original NVD Description
In the Linux kernel, the following vulnerability has been resolved: sysfs: don't remove existing directory on update failure When sysfs_update_group() is called for a named group and create_files() fails (e.g. -ENOMEM), internal_create_group() calls kernfs_remove(kn) on the group directory. In the update path, kn was obtained via kernfs_find_and_get() and refers to a directory that already existed before this call. Removing it silently destroys a sysfs group that the caller did not create. Only remove the directory if we created it ourselves. On update failure the directory remains as it is left empty by remove_files() inside create_files(), but can be repopulated by a retry.
Related CVEs
Other vulnerabilities affecting the same vendor(s)