CVE-2026-49431

The ZFSIOCSETPROP ioctl, used by zfs-set8, incorrectly validated the calling user such that an unprivileged user is able to set metadata on a dataset indicating that the dataset has received properties from a zfs-recv8 stream. Any local user can set the internal ZFS metadata flag "$hasrecvd" on...

EUVD-2026-62241

The ZFSIOCSETPROP ioctl, used by zfs-set8, incorrectly validated the calling user such that an unprivileged user is able to set metadata on a dataset indicating that the dataset has received properties from a zfs-recv8 stream. Any local user can set the internal ZFS metadata flag "$hasrecvd" on...

CVE-2026-49431 Incorrect user validation in ZFS_IOC_SET_PROP ioctl

The ZFSIOCSETPROP ioctl, used by zfs-set8, incorrectly validated the calling user such that an unprivileged user is able to set metadata on a dataset indicating that the dataset has received properties from a zfs-recv8 stream. Any local user can set the internal ZFS metadata flag "$hasrecvd" on...