CVE-2025-8067 (GCVE-0-2025-8067)
Vulnerability from cvelistv5
Published
2025-08-28 14:47
Modified
2025-09-18 14:24
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/errata/RHSA-2025:15956
secalert@redhat.comhttps://access.redhat.com/errata/RHSA-2025:16021
secalert@redhat.comhttps://access.redhat.com/errata/RHSA-2025:16090
secalert@redhat.comhttps://access.redhat.com/errata/RHSA-2025:16106
secalert@redhat.comhttps://access.redhat.com/errata/RHSA-2025:16121
secalert@redhat.comhttps://access.redhat.com/errata/RHSA-2025:16122
secalert@redhat.comhttps://access.redhat.com/errata/RHSA-2025:16125
secalert@redhat.comhttps://access.redhat.com/errata/RHSA-2025:16130
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 7 Extended Lifecycle Support Unaffected: 0:2.8.4-1.el7_9.2   < *
    cpe:/o:redhat:rhel_els:7
 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::appstream
    cpe:/a:redhat:enterprise_linux:8::crb
 Create a notification for this product.
   Red Hat Red Hat Enterprise Linux 8.2 Advanced Update Support Unaffected: 0:2.8.3-2.el8_2.1   < *
    cpe:/a:redhat:rhel_aus:8.2::appstream
 Create a notification for this product.
   Red Hat Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support Unaffected: 0:2.9.0-6.el8_4.1   < *
    cpe:/a:redhat:rhel_aus:8.4::appstream
    cpe:/a:redhat:rhel_eus_long_life:8.4::appstream
 Create a notification for this product.
   Red Hat Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On Unaffected: 0:2.9.0-6.el8_4.1   < *
    cpe:/a:redhat:rhel_aus:8.4::appstream
    cpe:/a:redhat:rhel_eus_long_life:8.4::appstream
 Create a notification for this product.
   Red Hat Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support Unaffected: 0:2.9.0-9.el8_6.1   < *
    cpe:/a:redhat:rhel_aus:8.6::appstream
    cpe:/a:redhat:rhel_tus:8.6::appstream
    cpe:/a:redhat:rhel_e4s:8.6::appstream
 Create a notification for this product.
   Red Hat Red Hat Enterprise Linux 8.6 Telecommunications Update Service Unaffected: 0:2.9.0-9.el8_6.1   < *
    cpe:/a:redhat:rhel_aus:8.6::appstream
    cpe:/a:redhat:rhel_tus:8.6::appstream
    cpe:/a:redhat:rhel_e4s:8.6::appstream
 Create a notification for this product.
   Red Hat Red Hat Enterprise Linux 8.6 Update Services for SAP Solutions Unaffected: 0:2.9.0-9.el8_6.1   < *
    cpe:/a:redhat:rhel_aus:8.6::appstream
    cpe:/a:redhat:rhel_tus:8.6::appstream
    cpe:/a:redhat:rhel_e4s:8.6::appstream
 Create a notification for this product.
   Red Hat Red Hat Enterprise Linux 8.8 Telecommunications Update Service Unaffected: 0:2.9.0-13.el8_8.1   < *
    cpe:/a:redhat:rhel_tus:8.8::appstream
    cpe:/a:redhat:rhel_e4s:8.8::appstream
 Create a notification for this product.
   Red Hat Red Hat Enterprise Linux 8.8 Update Services for SAP Solutions Unaffected: 0:2.9.0-13.el8_8.1   < *
    cpe:/a:redhat:rhel_tus:8.8::appstream
    cpe:/a:redhat:rhel_e4s:8.8::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 9.0 Update Services for SAP Solutions Unaffected: 0:2.9.4-3.el9_0.2   < *
    cpe:/a:redhat:rhel_e4s:9.0::appstream
 Create a notification for this product.
   Red Hat Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions Unaffected: 0:2.9.4-7.el9_2.2   < *
    cpe:/a:redhat:rhel_e4s:9.2::appstream
 Create a notification for this product.
   Red Hat Red Hat Enterprise Linux 9.4 Extended Update Support Unaffected: 0:2.9.4-10.el9_4.2   < *
    cpe:/a:redhat:rhel_eus:9.4::appstream
    cpe:/a:redhat:rhel_eus:9.4::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.
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[{\"lang\": \"en\", \"value\": \"There\u0027s no available mitigation other than installing the updated package as soon as available.\"}], \"descriptions\": [{\"lang\": \"en\", \"value\": \"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\u0027t 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.\"}], \"problemTypes\": [{\"descriptions\": [{\"lang\": \"en\", \"type\": \"CWE\", \"cweId\": \"CWE-125\", \"description\": \"Out-of-bounds Read\"}]}], \"providerMetadata\": {\"orgId\": \"53f830b8-0a3f-465b-8143-3b8a9948e749\", \"shortName\": \"redhat\", \"dateUpdated\": \"2025-09-18T14:24:51.838Z\"}, \"x_redhatCweChain\": \"CWE-125: Out-of-bounds Read\"}}",
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}


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