CVE-2025-8067

Summary

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.

Affected Software

VendorProductVersion RangeStatus
storaged-projectudisks0 < 2.10.2affected
storaged-projectudisks2.10.3 < 2.10.91affected
Red HatRed Hat Enterprise Linux 100:2.10.90-5.el10_0.1 < *unaffected
Red HatRed Hat Enterprise Linux 7 Extended Lifecycle Support0:2.8.4-1.el7_9.2 < *unaffected
Red HatRed Hat Enterprise Linux 80:2.9.0-16.el8_10.1 < *unaffected
Red HatRed Hat Enterprise Linux 8.2 Advanced Update Support0:2.8.3-2.el8_2.1 < *unaffected
Red HatRed Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support0:2.9.0-6.el8_4.1 < *unaffected
Red HatRed Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On0:2.9.0-6.el8_4.1 < *unaffected
Red HatRed Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support0:2.9.0-9.el8_6.1 < *unaffected
Red HatRed Hat Enterprise Linux 8.6 Telecommunications Update Service0:2.9.0-9.el8_6.1 < *unaffected
Red HatRed Hat Enterprise Linux 8.6 Update Services for SAP Solutions0:2.9.0-9.el8_6.1 < *unaffected
Red HatRed Hat Enterprise Linux 8.8 Telecommunications Update Service0:2.9.0-13.el8_8.1 < *unaffected
Red HatRed Hat Enterprise Linux 8.8 Update Services for SAP Solutions0:2.9.0-13.el8_8.1 < *unaffected
Red HatRed Hat Enterprise Linux 90:2.9.4-11.el9_6.1 < *unaffected
Red HatRed Hat Enterprise Linux 9.0 Update Services for SAP Solutions0:2.9.4-3.el9_0.2 < *unaffected
Red HatRed Hat Enterprise Linux 9.2 Update Services for SAP Solutions0:2.9.4-7.el9_2.2 < *unaffected
Red HatRed Hat Enterprise Linux 9.4 Extended Update Support0:2.9.4-10.el9_4.2 < *unaffected

Weaknesses

  • CWE-125: Out-of-bounds Read

Workarounds

There's no available mitigation other than installing the updated package as soon as available.

ADP Enrichment

CISA ADP Vulnrichment

  • SSVC:
  • Exploitation: none
    • Automatable: no
    • Technical Impact: partial

CVE Program Container

Additional References

References