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CVE-2025-8067

Udisks: out-of-bounds read in udisks daemon

No known exploitation. EPSS puts it in the 52nd percentile. Fixed versions are out.

CVSS 3.18.5HighEPSS percentile52nd0.7% chance in 30 daysCISA KEVNot listedNo confirmed exploitation
No public exploit knownFix5 products8 fixed builds listed below
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OpenVAS · 45 checks

e.g. OID 1.3.6.1.4.1.25623.1.0.155892

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Published Updated Sources: CVE.org, NVD, BDU

NVD CVE.org

What to do

Find your product and version, then upgrade to the build on the right.

  • Red Hat Enterprise Linux 10Fixed builds0:2.10.90-5.el10_0.1, 0:2.9.0-16.el8_10.1, 0:2.9.4-11.el9_6.1Stated by: CVE record
  • Storaged-project UdisksAffected: < 2.10.2Upgrade to: 2.10.2Affected: ≥ 2.10.3, < 2.10.91Upgrade to: 2.10.91Stated by: CVE record
  • Red Hat Enterprise Linux 7 Extended Lifecycle SupportFixed builds0:2.8.4-1.el7_9.2Stated by: CVE record
  • Red Hat Enterprise Linux 8.2 Advanced Update SupportFixed builds0:2.8.3-2.el8_2.1Stated by: CVE record
  • Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update SupportFixed builds0:2.9.0-6.el8_4.1Stated by: CVE record

Versions as the sources state them. 17 more products have version data. Full version matrix after sign-in

Check it yourselfA free OpenVAS check exists for this CVE. Run it against your hosts.Is your organisation exposed?Request an assessment to establish which checks fit your systems.

What it is

From the CVE record

A flaw was found in the Udisks daemon, where it allows unprivileged users to create loop devices using the D-BUS system. This is achieved via the loop device handler, which handles requests sent through the D-BUS interface. As two of the parameters of this handle, it receives the file descriptor list and index specifying the file where the loop device should be backed. The function itself validates the index value to ensure it isn't bigger than the maximum value allowed. However, it fails to validate the lower bound, allowing the index parameter to be a negative value. Under these circumstances, an attacker can cause the UDisks daemon to crash or perform a local privilege escalation by gaining access to files owned by privileged users.

In plain language

No plain-language summary for this CVE yet.

Exploitation

Where each signal puts this CVE on the scale from published to confirmed exploited.

EPSS52nd
CISA KEV

Not in the catalog. CISA has not confirmed exploitation.

Public exploits

No public exploit or proof of concept found in the sources we track.

EPSS

0.7% chance of exploitation activity in the next 30 days, which ranks it in the 52nd percentile of scored CVEs.

Exploit Prediction Scoring System, FIRST.org. A probability, not a confirmation.

Lifecycle

13 events over 433 days, from the signal feeds we watch.

  1. Patch availableworkaround available, record updated
  2. Patch availableworkaround available, record updated
  3. Patch availableworkaround available, record updated
  4. OpenVAS check added
  5. Publishedweakness classified, att&ck mapped

Affected products

And 14 more affected products. See all after sign-in

Technical detail

CVSS 3.1 vector

Open in the CVSS calculator

CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:H

Scored 8.5 by NVD.

How it is reached

  • Attack Vector LocalRequires local access to the vulnerable system (e.g. local login, malicious file)
  • Attack Complexity LowNo special conditions — the attack can be reliably reproduced
  • Privileges Required NoneNo authentication required — anyone can exploit this
  • User Interaction NoneNo user interaction needed — fully automated exploitation

Scope

  • Scope ChangedThe exploit can affect other components (e.g. sandbox escape, host compromise from VM)

Impact if exploited

  • Confidentiality LowSome restricted information is disclosed, but limited in scope
  • Integrity LowData modification is possible but limited in scope or consequence
  • Availability HighTotal denial of service — the component is completely unavailable

Weaknesses

ATT&CK techniques

Mapped from the weaknesses above (CWE to ATT&CK), not observed in attacks.

Sources

References in the record

And 27 more references. See all after sign-in

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