Red Hat Enterprise Linux 10 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

Install updates from vendor's website.

Vulnerable software versions

libblockdev (Red Hat package): before 3.2.0-4.el10_0

CPE2.3

• cpe:2.3:a:red_hat:libblockdev_redhat_package:*:*:*:*:*:red_hat_enterprise_linux:*:*

External links

https://access.redhat.com/errata/RHSA-2025:9328

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.