CVE-2025-8067 (GCVE-0-2025-8067)
Vulnerability from cvelistv5
Published
2025-08-28 14:47
Modified
2025-09-02 08:59
Severity ?
8.5 (High) - CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:H
CWE
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.
References
secalert@redhat.comhttps://access.redhat.com/errata/RHSA-2025:15017
secalert@redhat.comhttps://access.redhat.com/errata/RHSA-2025:15018
secalert@redhat.comhttps://access.redhat.com/errata/RHSA-2025:15020
secalert@redhat.comhttps://access.redhat.com/security/cve/CVE-2025-8067
secalert@redhat.comhttps://bugzilla.redhat.com/show_bug.cgi?id=2388623
Impacted products
Vendor Product Version
Red Hat Red Hat Enterprise Linux 10 Unaffected: 0:2.10.90-5.el10_0.1   < *
    cpe:/o:redhat:enterprise_linux:10.0
 Create a notification for this product.
   Red Hat Red Hat Enterprise Linux 8 Unaffected: 0:2.9.0-16.el8_10.1   < *
    cpe:/a:redhat:enterprise_linux:8::crb
    cpe:/a:redhat:enterprise_linux:8::appstream
 Create a notification for this product.
   Red Hat Red Hat Enterprise Linux 9 Unaffected: 0:2.9.4-11.el9_6.1   < *
    cpe:/a:redhat:enterprise_linux:9::appstream
    cpe:/a:redhat:enterprise_linux:9::crb
 Create a notification for this product.
   Red Hat Red Hat Enterprise Linux 6     cpe:/o:redhat:enterprise_linux:6
 Create a notification for this product.
   Red Hat Red Hat Enterprise Linux 7     cpe:/o:redhat:enterprise_linux:7
 Create a notification for this product.
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