High [CVE-2026-7867] Udisks2: udisks2: local privilege escalation via as-user option spoofing
This high-severity Red Hat Linux advisory covers CVE-2026-7867 affecting Red Hat Enterprise Linux 10.
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Summary
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.
Affected product named by the advisory: Red Hat Enterprise Linux 10.
Affected versions
No affected-version range was extracted from the source record. The vendor advisory is authoritative — check it before change work.
Official advisory · medium-confidence parse· fetched 49 minutes ago·verify at source
Fixed versions
No fixed release is recorded yet. That does not prove no patch exists — confirm against the vendor advisory.
Official advisory · medium-confidence parse· fetched 49 minutes ago·verify at source
Mitigation
The source record does not include mitigation steps. That is not a statement that no fix exists — read the vendor advisory below for the authoritative guidance.
Official advisory · medium-confidence parse· fetched 49 minutes ago·verify at source
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