CVE-2026-64509

*** Pendiente de traducción *** In the Linux kernel, the following vulnerability has been resolved:<br /> <br /> rust: block: fix GenDisk cleanup paths<br /> <br /> GenDiskBuilder::build() still has fallible work after<br /> __blk_mq_alloc_disk(), but its error path only recovers the<br /> foreign queue data. That leaks the temporary gendisk and<br /> request_queue until later teardown. If the caller moved the last<br /> Arc into build(), the leaked queue can retain blk-mq<br /> state after the tag set is dropped.<br /> <br /> Fix the pre-registration failure path by dropping the temporary<br /> gendisk reference with put_disk() before recovering queue_data,<br /> so disk_release() can tear down the owned queue.<br /> <br /> Also pair GenDisk::drop() with put_disk() after del_gendisk().<br /> Once a Rust GenDisk has been added with device_add_disk(),<br /> del_gendisk() only unregisters it; the final gendisk reference<br /> still has to be dropped to complete the release path.