CVE-2026-79619

On Linux, several OpenZFS ioctl authorization checks accept a capability held only within a user-created, unprivileged namespace as equivalent to real host privilege, allowing an unprivileged local user to perform operations that should require root. Affected operations include pool-administrativ...

CVE-2026-79619 OpenZFS: user-namespace capability check allows unprivileged local authorization bypass

On Linux, several OpenZFS ioctl authorization checks accept a capability held only within a user-created, unprivileged namespace as equivalent to real host privilege, allowing an unprivileged local user to perform operations that should require root. Affected operations include pool-administrativ...

CVE-2026-79619 OpenZFS: user-namespace capability check allows unprivileged local authorization bypass

On Linux, several OpenZFS ioctl authorization checks accept a capability held only within a user-created, unprivileged namespace as equivalent to real host privilege, allowing an unprivileged local user to perform operations that should require root. Affected operations include pool-administrativ...

EUVD-2026-66419

On Linux, several OpenZFS ioctl authorization checks accept a capability held only within a user-created, unprivileged namespace as equivalent to real host privilege, allowing an unprivileged local user to perform operations that should require root. Affected operations include pool-administrativ...

CVE-2026-79619

On Linux, several OpenZFS ioctl authorization checks accept a capability held only within a user-created, unprivileged namespace as equivalent to real host privilege, allowing an unprivileged local user to perform operations that should require root. Affected operations include pool-administrativ...

CVE-2026-79619

CVE-2026-79619 affects OpenZFS on Linux, where several ioctl authorization checks incorrectly treat a capability held only within a user-created, unprivileged namespace as equivalent to real host privilege. This allows an unprivileged local user to perform root-requiring operations such as pool c...

Linux Distros Unpatched Vulnerability : CVE-2026-79619

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - On Linux, several OpenZFS ioctl authorization checks accept a capability held only within a user-created, unprivileged namespace as equivalent to real host...

FreeBSD : FreeBSD -- Multiple vulnerabilities in OpenZFS (9534b664-74e1-11f1-958d-bc241121aa0a)

The version of FreeBSD installed on the remote host is prior to tested version. It is, therefore, affected by multiple vulnerabilities as referenced in the 9534b664-74e1-11f1-958d-bc241121aa0a advisory. The ZFSIOCUSERSPACEMANY ioctl, used by zfs-userspace8, truncated a 64-bit output buffer size t...

FreeBSD-SA-26:40.zfs

-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA512 ============================================================================= FreeBSD-SA-26:40.zfs Security Advisory The FreeBSD Project Topic: Multiple vulnerabilities in OpenZFS Category: contrib Module: openzfs Announced: 2026-06-30 Credits:...

FreeBSD -- Multiple vulnerabilities in OpenZFS

Problem Description: The ZFSIOCUSERSPACEMANY ioctl, used by zfs-userspace8, truncated a 64-bit output buffer size to a 32-bit integer for the kernel allocation, but used the original 64-bit size as the buffer limit when writing records. The ZFSIOCRECVNEW ioctl, in the heal receive path, similarly...

CVE-2020-24717

OpenZFS before 2.0.0-rc1, when used on FreeBSD, misinterprets group permissions as user permissions, as demonstrated by mode 0770 being equivalent to mode 0777...

EUVD-2020-17428

Malware in sbrugna...

EUVD-2020-17427

Malware in sbrugna...

CVE-2023-49298

OpenZFS through 2.1.13 and 2.2.x through 2.2.1, in certain scenarios involving applications that try to rely on efficient copying of file data, can replace file contents with zero-valued bytes and thus potentially disable security mechanisms. NOTE: this issue is not always security related, but c...

CVE-2020-24716

OpenZFS before 2.0.0-rc1, when used on FreeBSD, allows execute permissions for all directories...

CVE-2013-20001

An issue was discovered in OpenZFS through 2.0.3. When an NFS share is exported to IPv6 addresses via the sharenfs feature, there is a silent failure to parse the IPv6 address data, and access is allowed to everyone. IPv6 restrictions from the configuration are not applied...

Linux Distros Unpatched Vulnerability : CVE-2023-49298

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - OpenZFS through 2.1.13 and 2.2.x through 2.2.1, in certain scenarios involving applications that try to rely on efficient copying of file data, can replace file...

Linux Distros Unpatched Vulnerability : CVE-2013-20001

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - An issue was discovered in OpenZFS through 2.0.3. When an NFS share is exported to IPv6 addresses via the sharenfs feature, there is a silent failure to parse t...

[SECURITY] [DLA 3766-1] zfs-linux security update

----------------------------------------------------------------------- Debian LTS Advisory DLA-3766-1 [email protected] https://www.debian.org/lts/security/ Utkarsh Gupta March 19, 2024 https://wiki.debian.org/LTS -...

Debian dla-3766 : libnvpair1linux - security update

The remote Debian 10 host has packages installed that are affected by multiple vulnerabilities as referenced in the dla-3766 advisory. - ----------------------------------------------------------------------- Debian LTS Advisory DLA-3766-1 [email protected]...