SUSE update for libblockdev

1) Race condition

EUVDB-ID: #VU111385

Risk: Low

CVSSv4.0: 7.1 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P/U:Clear]

CVE-ID: CVE-2025-6019

CWE-ID: CWE-362 - Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')

Exploit availability: Yes

Description

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to a race condition. A local user can exploit the race using the udisks daemon and execute arbitrary code with root privileges after certain manipulations with mounts 

Mitigation

Update the affected package libblockdev to the latest version.

Vulnerable software versions

Basesystem Module: 15-SP6 - 15-SP7

SUSE Package Hub 15: 15-SP6 - 15-SP7

SUSE Linux Enterprise Real Time 15: SP6 - SP7

SUSE Linux Enterprise Server for SAP Applications 15: SP4 - SP7

SUSE Linux Enterprise Server 15: SP4 - SP7

SUSE Linux Enterprise Desktop 15: SP6 - SP7

SUSE Linux Enterprise High Performance Computing LTSS 15: SP4 - SP5

SUSE Linux Enterprise High Performance Computing ESPOS 15: SP4 - SP5

SUSE Linux Enterprise Server 15 SP5: LTSS

SUSE Linux Enterprise Server 15 SP4: LTSS

openSUSE Leap: 15.4 - 15.6

SUSE Linux Enterprise Micro: 5.3 - 5.5

SUSE Linux Enterprise Micro for Rancher: 5.3 - 5.4

SUSE Linux Enterprise High Performance Computing 15: SP4 - SP5

SUSE Manager Retail Branch Server: 4.3

SUSE Manager Server: 4.3

SUSE Manager Proxy: 4.3

libbd_mpath-devel: before 2.26-150400.3.5.1

libbd_loop-devel: before 2.26-150400.3.5.1

libbd_lvm-dbus2-debuginfo: before 2.26-150400.3.5.1

libbd_part-devel: before 2.26-150400.3.5.1

libbd_swap-devel: before 2.26-150400.3.5.1

python3-libblockdev: before 2.26-150400.3.5.1

libbd_mpath2-debuginfo: before 2.26-150400.3.5.1

libbd_mpath2: before 2.26-150400.3.5.1

libbd_lvm-dbus-devel: before 2.26-150400.3.5.1

libbd_kbd-devel: before 2.26-150400.3.5.1

libbd_fs-devel: before 2.26-150400.3.5.1

libbd_kbd2: before 2.26-150400.3.5.1

libbd_dm2-debuginfo: before 2.26-150400.3.5.1

libbd_btrfs-devel: before 2.26-150400.3.5.1

libbd_lvm-devel: before 2.26-150400.3.5.1

libbd_dm2: before 2.26-150400.3.5.1

libbd_vdo2-debuginfo: before 2.26-150400.3.5.1

libbd_dm-devel: before 2.26-150400.3.5.1

libbd_crypto-devel: before 2.26-150400.3.5.1

typelib-1_0-BlockDev-2_0: before 2.26-150400.3.5.1

libbd_utils-devel: before 2.26-150400.3.5.1

libbd_vdo-devel: before 2.26-150400.3.5.1

libblockdev-devel: before 2.26-150400.3.5.1

libbd_mdraid-devel: before 2.26-150400.3.5.1

libbd_vdo2: before 2.26-150400.3.5.1

libbd_kbd2-debuginfo: before 2.26-150400.3.5.1

libbd_lvm-dbus2: before 2.26-150400.3.5.1

libbd_btrfs2: before 2.26-150400.3.5.1

libbd_btrfs2-debuginfo: before 2.26-150400.3.5.1

libblockdev2-debuginfo: before 2.26-150400.3.5.1

libbd_mdraid2-debuginfo: before 2.26-150400.3.5.1

libbd_loop2: before 2.26-150400.3.5.1

libbd_utils2-debuginfo: before 2.26-150400.3.5.1

libbd_swap2: before 2.26-150400.3.5.1

libbd_crypto2-debuginfo: before 2.26-150400.3.5.1

libbd_part2-debuginfo: before 2.26-150400.3.5.1

libblockdev2: before 2.26-150400.3.5.1

libblockdev-debugsource: before 2.26-150400.3.5.1

libbd_lvm2: before 2.26-150400.3.5.1

libbd_fs2: before 2.26-150400.3.5.1

libbd_swap2-debuginfo: before 2.26-150400.3.5.1

libblockdev-debuginfo: before 2.26-150400.3.5.1

libbd_crypto2: before 2.26-150400.3.5.1

libblockdev: before 2.26-150400.3.5.1

libbd_loop2-debuginfo: before 2.26-150400.3.5.1

libbd_lvm2-debuginfo: before 2.26-150400.3.5.1

libbd_mdraid2: before 2.26-150400.3.5.1

libbd_part2: before 2.26-150400.3.5.1

libbd_fs2-debuginfo: before 2.26-150400.3.5.1

libbd_utils2: before 2.26-150400.3.5.1

CPE2.3

• cpe:2.3:o:suse:basesystem_module:15-SP6:*:*:*:*:*:*:*
• cpe:2.3:o:suse:basesystem_module:15-SP7:*:*:*:*:*:*:*
• cpe:2.3:o:suse:suse_package_hub_15:15-SP6:*:*:*:*:*:*:*
• cpe:2.3:o:suse:suse_package_hub_15:15-SP7:*:*:*:*:*:*:*
• cpe:2.3:o:suse:suse_linux_enterprise_real_time_15:SP6:*:*:*:*:*:*:*
• cpe:2.3:o:suse:suse_linux_enterprise_real_time_15:SP7:*:*:*:*:*:*:*
• cpe:2.3:o:suse:suse_linux_enterprise_server_for_sap_applications_15:SP4:*:*:*:*:*:*:*
• cpe:2.3:o:suse:suse_linux_enterprise_server_for_sap_applications_15:SP5:*:*:*:*:*:*:*
• cpe:2.3:o:suse:suse_linux_enterprise_server_for_sap_applications_15:SP6:*:*:*:*:*:*:*
• cpe:2.3:o:suse:suse_linux_enterprise_server_15:SP4:*:*:*:*:*:*:*
• cpe:2.3:o:suse:suse_linux_enterprise_desktop_15:SP6:*:*:*:*:*:*:*
• cpe:2.3:o:suse:suse_linux_enterprise_high_performance_computing_ltss_15:SP4:*:*:*:*:*:*:*
• cpe:2.3:o:suse:suse_linux_enterprise_high_performance_computing_espos_15:SP4:*:*:*:*:*:*:*
• cpe:2.3:o:suse:suse_linux_enterprise_server_15_sp5:LTSS:*:*:*:*:*:*:*
• cpe:2.3:o:suse:suse_linux_enterprise_server_15_sp4:LTSS:*:*:*:*:*:*:*
• cpe:2.3:o:suse:opensuse_leap:15.4:*:*:*:*:*:*:*
• cpe:2.3:o:suse:suse_linux_enterprise_micro:5.3:*:*:*:*:*:*:*
• cpe:2.3:o:suse:suse_linux_enterprise_micro_for_rancher:5.3:*:*:*:*:*:*:*
• cpe:2.3:o:suse:suse_linux_enterprise_high_performance_computing_15:SP4:*:*:*:*:*:*:*
• cpe:2.3:o:suse:suse_manager_retail_branch_server:4.3:*:*:*:*:*:*:*
• cpe:2.3:o:suse:suse_manager_server:4.3:*:*:*:*:*:*:*
• cpe:2.3:o:suse:suse_manager_proxy:4.3:*:*:*:*:*:*:*
• cpe:2.3:a:suse:libbd_mpath-devel:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:libbd_loop-devel:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:libbd_lvm-dbus2-debuginfo:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:libbd_part-devel:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:libbd_swap-devel:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:python3-libblockdev:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:libbd_mpath2-debuginfo:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:libbd_mpath2:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:libbd_lvm-dbus-devel:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:libbd_kbd-devel:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:libbd_fs-devel:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:libbd_kbd2:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:libbd_dm2-debuginfo:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:libbd_btrfs-devel:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:libbd_lvm-devel:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:libbd_dm2:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:libbd_vdo2-debuginfo:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:libbd_dm-devel:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:libbd_crypto-devel:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:typelib-1_0-blockdev-2_0:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:libbd_utils-devel:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:libbd_vdo-devel:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:libblockdev-devel:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:libbd_mdraid-devel:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:libbd_vdo2:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:libbd_kbd2-debuginfo:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:libbd_lvm-dbus2:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:libbd_btrfs2:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:libbd_btrfs2-debuginfo:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:libblockdev2-debuginfo:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:libbd_mdraid2-debuginfo:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:libbd_loop2:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:libbd_utils2-debuginfo:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:libbd_swap2:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:libbd_crypto2-debuginfo:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:libbd_part2-debuginfo:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:libblockdev2:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:libblockdev-debugsource:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:libbd_lvm2:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:libbd_fs2:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:libbd_swap2-debuginfo:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:libblockdev-debuginfo:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:libbd_crypto2:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:libblockdev:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:libbd_loop2-debuginfo:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:libbd_lvm2-debuginfo:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:libbd_mdraid2:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:libbd_part2:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:libbd_fs2-debuginfo:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:libbd_utils2:*:*:*:*:*:suse_linux:*:*

External links

https://www.suse.com/support/update/announcement/2025/suse-su-202502044-1/

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability. However, proof of concept for this vulnerability is available.