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Unity Linux 20.1070e Security Update: kernel (UTSA-2025-987659)
medium Nessus Plugin ID 270946
Synopsis
The Unity Linux host is missing one or more security updates.Description
The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-987659 advisory.In the Linux kernel, the following vulnerability has been resolved:
IB/rdmavt: add lock to call to rvt_error_qp to prevent a race condition
The documentation of the function rvt_error_qp says both r_lock and s_lock need to be held when calling that function. It also asserts using lockdep that both of those locks are held. However, the commit I referenced in Fixes accidentally makes the call to rvt_error_qp in rvt_ruc_loopback no longer covered by r_lock. This results in the lockdep assertion failing and also possibly in a race condition.
Tenable has extracted the preceding description block directly from the Unity Linux security advisory.
Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.
Solution
Update the affected kernel package.See Also
http://www.nessus.org/u?4fba5545
Plugin Details
Severity: Medium
ID: 270946
File Name: unity_linux_UTSA-2025-987659.nasl
Version: 1.1
Type: local
Published: 10/21/2025
Updated: 10/21/2025
Supported Sensors: Nessus
Risk Information
VPR
Risk Factor: Medium
Score: 4.4
CVSS v2
Risk Factor: Low
Base Score: 3.8
Temporal Score: 2.8
Vector: CVSS2#AV:L/AC:H/Au:S/C:N/I:N/A:C
CVSS Score Source: CVE-2022-49089
CVSS v3
Risk Factor: Medium
Base Score: 4.7
Temporal Score: 4.1
Vector: CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H
Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C
Vulnerability Information
Required KB Items: Host/local_checks_enabled, Host/cpu, Host/UOS-Server/release, Host/UOS-Server/rpm-list
Exploit Ease: No known exploits are available
Patch Publication Date: 10/15/2025
Vulnerability Publication Date: 2/26/2025
Reference Information
CVE: CVE-2022-49089