CVE-2022-49833

In the Linux kernel, the following vulnerability has been resolved:<br /> <br /> btrfs: zoned: clone zoned device info when cloning a device<br /> <br /> When cloning a btrfs_device, we&amp;#39;re not cloning the associated<br /> btrfs_zoned_device_info structure of the device in case of a zoned<br /> filesystem.<br /> <br /> Later on this leads to a NULL pointer dereference when accessing the<br /> device&amp;#39;s zone_info for instance when setting a zone as active.<br /> <br /> This was uncovered by fstests&amp;#39; testcase btrfs/161.