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CVE-2026-26104

Udisks: missing authorization check allows unprivileged users to back up luks headers via udisks d-bus api

A flaw was found in the udisks storage management daemon that allows unprivileged users to back up LUKS encryption headers without authorization. The issue occurs because a privileged D-Bus method responsible for exporting encryption metadata does not perform a policy check. As a result, sensitive cryptographic metadata can be read and written to attacker-controlled locations. This weakens the confidentiality guarantees of encrypted storage volumes.

CVSS 3.1 · 5.5 Medium EPSS < 1% KEV · Not listed
Vendors
Freedesktop Redhat
Products
Udisks Enterprise Linux Enterprise Linux Eus and 1 more
CVE-2026-26103

Udisks: missing authorization check allows unprivileged users to restore luks headers via udisks d-bus api

A flaw was found in the udisks storage management daemon that exposes a privileged D-Bus API for restoring LUKS encryption headers without proper authorization checks. The issue allows a local unprivileged user to instruct the root-owned udisks daemon to overwrite encryption metadata on block devices. This can permanently invalidate encryption keys and render encrypted volumes inaccessible. Successful exploitation results in a denial-of-service condition through irreversible data loss.

CVSS 3.1 · 7.1 High EPSS < 1% KEV · Not listed
Vendors
Freedesktop Redhat
Products
Udisks Enterprise Linux Enterprise Linux Eus and 1 more
CVE-2014-0004

udisks2: stack-based buffer overflow when handling long path names

Stack-based buffer overflow in udisks before 1.0.5 and 2.x before 2.1.3 allows local users to cause a denial of service (crash) and possibly execute arbitrary code via a long mount point.

CVSS 2.0 · 6.9 Medium EPSS < 1% KEV · Not listed
Vendors
Canonical Freedesktop Redhat
Products
Ubuntu Linux Udisks Enterprise Linux
CVE-2010-1149

v1.0.0: Device mapper table information leak

probers/udisks-dm-export.c in udisks before 1.0.1 exports UDISKS_DM_TARGETS_PARAMS information to udev even for a crypt UDISKS_DM_TARGETS_TYPE, which allows local users to discover encryption keys by (1) running a certain udevadm command or (2) reading a certain file under /dev/.udev/db/.

CVSS 2.0 · 2.1 Low EPSS < 1% KEV · Not listed
Vendors
Freedesktop
Products
Udisks
CVE-2018-17336

udisks: Format string vulnerability in udisks_log in udiskslogging.c

UDisks 2.8.0 has a format string vulnerability in udisks_log in udiskslogging.c, allowing attackers to obtain sensitive information (stack contents), cause a denial of service (memory corruption), or possibly have unspecified other impact via a malformed filesystem label, as demonstrated by %d or %n substrings.

CVSS 3.0 · 7.8 High EPSS < 1% KEV · Not listed
Vendors
Canonical Freedesktop Redhat
Products
Ubuntu Linux Udisks Enterprise Linux