Detections
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Unity Linux 20.1060a / 20.1070a Security Update: kernel (UTSA-2026-003526)
medium Nessus Plugin ID 286362
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-2026-003526 advisory.In the Linux kernel through 4.14.13, the rds_cmsg_atomic function in net/rds/rdma.c mishandles cases where page pinning fails or an invalid address is supplied, leading to an rds_atomic_free_op NULL pointer dereference.
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?7bda2b66
http://www.nessus.org/u?0a713b51
http://www.nessus.org/u?676b8ee0
http://www.securityfocus.com/bid/102510
https://access.redhat.com/errata/RHSA-2018:0470
http://www.nessus.org/u?7f13db41
https://lists.debian.org/debian-lts-announce/2018/05/msg00000.html
https://security-tracker.debian.org/tracker/CVE-2018-5333
https://usn.ubuntu.com/3583-1/
https://usn.ubuntu.com/3583-2/
https://usn.ubuntu.com/3617-1/
https://usn.ubuntu.com/3617-2/
https://usn.ubuntu.com/3617-3/
https://usn.ubuntu.com/3619-1/
https://usn.ubuntu.com/3619-2/
Plugin Details
Severity: Medium
ID: 286362
File Name: unity_linux_UTSA-2026-003526.nasl
Version: 1.2
Type: local
Published: 1/15/2026
Updated: 1/16/2026
Supported Sensors: Nessus
Risk Information
VPR
Risk Factor: Medium
Score: 5.1
CVSS v2
Risk Factor: Medium
Base Score: 4.9
Temporal Score: 4
Vector: CVSS2#AV:L/AC:L/Au:N/C:N/I:N/A:C
CVSS Score Source: CVE-2018-5333
CVSS v3
Risk Factor: Medium
Base Score: 5.5
Temporal Score: 5.1
Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Temporal Vector: CVSS:3.0/E:F/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 Available: true
Exploit Ease: Exploits are available
Patch Publication Date: 1/15/2026
Vulnerability Publication Date: 1/3/2018
Reference Information
CVE: CVE-2018-5333