CVE-2026-49431 - Incorrect user validation in ZFS_IOC_SET_PROP ioctl

CVE-2026-49431 - Incorrect user validation in ZFS_IOC_SET_PROP ioctl

https://cvefeed.io/rssfeed/latest.atom / Wed, 08/19/2026 - 10:27
CVE ID :CVE-2026-49431
Published : Aug. 19, 2026, 6:17 a.m. | 1 hour, 43 minutes ago
Description :The ZFS_IOC_SET_PROP ioctl, used by zfs-set(8), 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-recv(8) stream. Any local user can set the internal ZFS metadata flag "$hasrecvd" on datasets via ZFS_IOC_SET_PROP.
Severity: 0.0 | NA
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