CVE-2026-64322 | Linux Kernel up to 7.1.3 UDF reallocationTableLen/mapEntry out-of-bounds

July 25, 2026 Yanac

A vulnerability was found in Linux Kernel up to 7.1.3. It has been declared as critical. This affects the function udf_load_sparable_map/udf_get_pblock_spar15/udf_relocate_blocks/udf_update_tag of the component UDF. Executing a manipulation of the argument reallocationTableLen/mapEntry can lead to out-of-bounds read.

This vulnerability is handled as CVE-2026-64322. The attack can be executed remotely. There is not any exploit available.

It is recommended to upgrade the affected component.VulDB Recent EntriesRead More