CVE-2025-6019 (GCVE-0-2025-6019)
Vulnerability from cvelistv5
Published
2025-06-19 11:55
Modified
2025-08-01 17:51
Severity ?
7.0 (High) - CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
CWE
  • CWE-250 - Execution with Unnecessary Privileges
Summary
A Local Privilege Escalation (LPE) vulnerability was found in libblockdev. Generally, the "allow_active" setting in Polkit permits a physically present user to take certain actions based on the session type. Due to the way libblockdev interacts with the udisks daemon, an "allow_active" user on a system may be able escalate to full root privileges on the target host. Normally, udisks mounts user-provided filesystem images with security flags like nosuid and nodev to prevent privilege escalation. However, a local attacker can create a specially crafted XFS image containing a SUID-root shell, then trick udisks into resizing it. This mounts their malicious filesystem with root privileges, allowing them to execute their SUID-root shell and gain complete control of the system.
References
secalert@redhat.com https://access.redhat.com/errata/RHSA-2025:10796
secalert@redhat.com https://access.redhat.com/errata/RHSA-2025:9320
secalert@redhat.com https://access.redhat.com/errata/RHSA-2025:9321
secalert@redhat.com https://access.redhat.com/errata/RHSA-2025:9322
secalert@redhat.com https://access.redhat.com/errata/RHSA-2025:9323
secalert@redhat.com https://access.redhat.com/errata/RHSA-2025:9324
secalert@redhat.com https://access.redhat.com/errata/RHSA-2025:9325
secalert@redhat.com https://access.redhat.com/errata/RHSA-2025:9326
secalert@redhat.com https://access.redhat.com/errata/RHSA-2025:9327
secalert@redhat.com https://access.redhat.com/errata/RHSA-2025:9328
secalert@redhat.com https://access.redhat.com/errata/RHSA-2025:9878
secalert@redhat.com https://access.redhat.com/security/cve/CVE-2025-6019
secalert@redhat.com https://bugzilla.redhat.com/show_bug.cgi?id=2370051
secalert@redhat.com https://cdn2.qualys.com/2025/06/17/suse15-pam-udisks-lpe.txt
af854a3a-2127-422b-91ae-364da2661108 http://www.openwall.com/lists/oss-security/2025/06/17/5
af854a3a-2127-422b-91ae-364da2661108 http://www.openwall.com/lists/oss-security/2025/06/17/6
af854a3a-2127-422b-91ae-364da2661108 http://www.openwall.com/lists/oss-security/2025/06/18/1
af854a3a-2127-422b-91ae-364da2661108 https://lists.debian.org/debian-lts-announce/2025/06/msg00018.html
af854a3a-2127-422b-91ae-364da2661108 https://news.ycombinator.com/item?id=44325861
af854a3a-2127-422b-91ae-364da2661108 https://www.bleepingcomputer.com/news/linux/new-linux-udisks-flaw-lets-attackers-get-root-on-major-linux-distros/
Impacted products
Vendor Product Version
Red Hat Red Hat Enterprise Linux 10 Unaffected: 0:3.2.0-4.el10_0   < *
    cpe:/o:redhat:enterprise_linux:10.0
 Create a notification for this product.
   Red Hat Red Hat Enterprise Linux 7 Extended Lifecycle Support Unaffected: 0:2.18-5.el7_9.1   < *
    cpe:/o:redhat:rhel_els:7
 Create a notification for this product.
   Red Hat Red Hat Enterprise Linux 8 Unaffected: 0:2.28-7.el8_10   < *
    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 8.2 Advanced Update Support Unaffected: 0:2.19-13.el8_2   < *
    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: 0:2.24-6.el8_4   < *
    cpe:/a:redhat:rhel_aus:8.4::appstream
 Create a notification for this product.
   Red Hat Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support Unaffected: 0:2.24-9.el8_6   < *
    cpe:/a:redhat:rhel_tus:8.6::appstream
    cpe:/a:redhat:rhel_aus: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: 0:2.24-9.el8_6   < *
    cpe:/a:redhat:rhel_tus:8.6::appstream
    cpe:/a:redhat:rhel_aus: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: 0:2.24-9.el8_6   < *
    cpe:/a:redhat:rhel_tus:8.6::appstream
    cpe:/a:redhat:rhel_aus: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 Update Services for SAP Solutions Unaffected: 0:2.28-3.el8_8   < *
    cpe:/a:redhat:rhel_e4s:8.8::appstream
 Create a notification for this product.
   Red Hat Red Hat Enterprise Linux 9 Unaffected: 0:2.28-14.el9_6   < *
    cpe:/a:redhat:enterprise_linux:9::appstream
 Create a notification for this product.
   Red Hat Red Hat Enterprise Linux 9.0 Update Services for SAP Solutions Unaffected: 0:2.25-12.el9_0   < *
    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: 0:2.28-5.el9_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: 0:2.28-11.el9_4   < *
    cpe:/a:redhat:rhel_eus:9.4::appstream
 Create a notification for this product.
Show details on NVD website

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