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Unity Linux 20.1070a Security Update: kernel (UTSA-2026-013001)
medium Nessus Plugin ID 307727
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-2026-013001 advisory.In the Linux kernel, the following vulnerability has been resolved:
drm/vmwgfx: Fix Use-after-free in validation
Nodes stored in the validation duplicates hashtable come from an arena allocator that is cleared at the end of vmw_execbuf_process. All nodes are expected to be cleared in vmw_validation_drop_ht but this node escaped because its resource was destroyed prematurely.
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?a6bd6f51
Plugin Details
Severity: Medium
ID: 307727
File Name: unity_linux_UTSA-2026-013001.nasl
Version: 1.1
Type: Local
Published: 4/21/2026
Updated: 4/21/2026
Supported Sensors: Nessus
Risk Information
VPR
Risk Factor: Medium
Score: 5.9
CVSS v2
Risk Factor: Medium
Base Score: 4.4
Temporal Score: 3.3
Vector: CVSS2#AV:L/AC:H/Au:M/C:N/I:P/A:C
CVSS Score Source: CVE-2025-40111
CVSS v3
Risk Factor: Medium
Base Score: 4.7
Temporal Score: 4.1
Vector: CVSS:3.0/AV:L/AC:H/PR:H/UI:N/S:U/C:N/I:L/A:H
Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C
Vulnerability Information
Required KB Items: Host/local_checks_enabled, Host/UOS-Server/release, Host/UOS-Server/rpm-list, Host/cpu
Exploit Ease: No known exploits are available
Patch Publication Date: 4/21/2026
Vulnerability Publication Date: 11/4/2025
Reference Information
CVE: CVE-2025-40111