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Low 3.3Published Oct 16, 2026

CVE-2026-111581Libblockdev: libblockdev: argument injection in ntfs/vfat label-setting helpers via udisks2 setlabel() d-bus method

Updated under an hour ago ()

Does this affect you?

It affects Red Hat Enterprise Linux 10. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

A flaw was found in libblockdev. The bd_fs_ntfs_set_label() and bd_fs_vfat_set_label() functions pass caller-supplied label values as bare positional arguments to the ntfslabel and fatlabel utilities without end-of-options separators or input validation for values beginning with a dash. This allows a label starting with '-' to be interpreted as a command-line flag by the spawned tool, potentially bypassing safety checks or causing unintended operations. This is reachable by unprivileged local users through the udisks2 Filesystem.SetLabel() D-Bus method without administrator authentication.

CVSS
3.3 LOW (v3.1, CNA)CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
Weakness (CWE)
CWE-88
Known exploited
Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days)
Not loaded for this CVE
Assigned by
redhat
NVD analysis
Received
Record last updated
Oct 16, 2026
First seen by InfoSec Signals
Oct 16, 2026

Affected products

Affected products
10
CNA record

References

  • vdb-entry, x-refsource-redhat
  • issue-tracking, x-refsource-redhat

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.

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