CVE-2026-49431
3.3
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
Summary
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.
Affected Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| FreeBSD | FreeBSD | 15.1-RELEASE < p1 | affected |
| FreeBSD | FreeBSD | 15.0-RELEASE < p11 | affected |
| FreeBSD | FreeBSD | 14.4-RELEASE < p7 | affected |
| FreeBSD | FreeBSD | 14.3-RELEASE < p16 | affected |
Weaknesses
- CWE-863: CWE-863: Incorrect Authorization
ADP Enrichment
CISA ADP Vulnrichment
- SSVC:
- Exploitation: none
- Automatable: no
- Technical Impact: partial
References
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