CVE-2022-49833 — btrfs: zoned: clone zoned device info when cloning a device
In the Linux kernel, the following vulnerability has been resolved: btrfs: zoned: clone zoned device info when cloning a device When cloning a btrfs_device, we're not cloning …
Published: 2025-05-01 · CVSS: Unscored
In the Linux kernel, the following vulnerability has been resolved: btrfs: zoned: clone zoned device info when cloning a device When cloning a btrfs_device, we're not cloning the associated btrfs_zoned_device_info structure of the device in case of a zoned filesystem. Later on this leads to a NULL pointer dereference when accessing the device's zone_info for instance when setting a zone as active. This was uncovered by fstests' testcase btrfs/161.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7