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Affected Component
Analysis
udisks
Patched
Name
CVE-2026-7867
Description
A flaw was found in udisks2. A local attacker with an active console session can exploit insufficient authorization checking on the 'as-user' option in the org.freedesktop.UDisks2.Filesystem.Mount() D-Bus method. This allows the attacker to spoof the 'as-user' parameter, mounting filesystems on behalf of arbitrary users, including privileged accounts. This can lead to local privilege escalation through mount point injection and manipulation of the mount namespace visible to privileged users.
CWEs
Published Date
Updated Date
Workaround
-
Advisories
Analysis#
Vulnerability Ratings#
7.8
CVSSv31
NaN
other
Others affected component#
Name
Project
Project Version
Version
Status
buildroot
master
2.11.2
Not Affected
Resolved with patches#
udisks (buildroot:2025.02.x)
#
Title
Author
Resolve
1
udiskslinuxfilesystem: Separate real caller identity from
Tomas Bzatek <tbzatek@redhat.com>
CVE-2026-7867
2
udiskslinuxfilesystem: Rework fstab mount authorization
Tomas Bzatek <tbzatek@redhat.com>
CVE-2026-7867
3
udiskslinuxfilesystem: Log real caller uid for as-user
Tomas Bzatek <tbzatek@redhat.com>
CVE-2026-7867
4
udisksdaemonutil: Pass as-user target to polkit details
Tomas Bzatek <tbzatek@redhat.com>
CVE-2026-7867
5
tests: Add security tests for as-user mount authorization
Tomas Bzatek <tbzatek@redhat.com>
CVE-2026-7867