CVE-2021-47117 | Linux Kernel up to 5.12.9 ext4 fs/ext4/extents_status.c ext4_es_cache_extent injection

CVE-2021-47117 | Linux Kernel up to 5.12.9 ext4 fs/ext4/extents_status.c ext4_es_cache_extent injection

A vulnerability was found in Linux Kernel up to 5.12.9 and classified as problematic. Affected by this issue is the function ext4_es_cache_extent of the file fs/ext4/extents_status.c of the component ext4. The manipulation leads to injection. This vulnerability is handled as CVE-2021-47117. Access to the local network is required for this attack to succeed. There is no exploit available. It is recommended to upgrade the affected component.