Detections
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Unity Linux 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-002564)
medium Nessus Plugin ID 284873
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-2026-002564 advisory.The KEYS subsystem in the Linux kernel before 4.10.13 allows local users to cause a denial of service (memory consumption) via a series of KEY_REQKEY_DEFL_THREAD_KEYRING keyctl_set_reqkey_keyring calls.
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?06af66eb
http://www.nessus.org/u?38df27e0
http://www.nessus.org/u?de58c590
http://openwall.com/lists/oss-security/2017/05/11/1
http://www.securityfocus.com/bid/98422
http://www.securitytracker.com/id/1038471
https://access.redhat.com/errata/RHSA-2018:0151
https://access.redhat.com/errata/RHSA-2018:0152
https://access.redhat.com/errata/RHSA-2018:0181
https://bugzilla.novell.com/show_bug.cgi?id=1034862
https://bugzilla.redhat.com/show_bug.cgi?id=1442086
http://www.nessus.org/u?084fd77f
https://lkml.org/lkml/2017/4/1/235
https://lkml.org/lkml/2017/4/3/724
https://security-tracker.debian.org/tracker/CVE-2017-7472
https://www.exploit-db.com/exploits/42136/
https://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.10.13
Plugin Details
Severity: Medium
ID: 284873
File Name: unity_linux_UTSA-2026-002564.nasl
Version: 1.2
Type: local
Published: 1/15/2026
Updated: 1/16/2026
Supported Sensors: Nessus
Risk Information
VPR
Risk Factor: Medium
Score: 4.4
CVSS v2
Risk Factor: Medium
Base Score: 4.9
Temporal Score: 3.8
Vector: CVSS2#AV:L/AC:L/Au:N/C:N/I:N/A:C
CVSS Score Source: CVE-2017-7472
CVSS v3
Risk Factor: Medium
Base Score: 5.5
Temporal Score: 5
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:P/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: 4/20/2017
Reference Information
CVE: CVE-2017-7472