Detections
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Unity Linux 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-001885)
medium Nessus Plugin ID 286507
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-2026-001885 advisory.The validate_event function in arch/arm/kernel/perf_event.c in the Linux kernel before 3.10.8 on the ARM platform allows local users to gain privileges or cause a denial of service (NULL pointer dereference and system crash) by adding a hardware event to an event group led by a software event.
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?757f2588
http://www.nessus.org/u?43b3bcf8
http://secunia.com/advisories/54494
http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.10.8
http://www.openwall.com/lists/oss-security/2013/08/16/6
http://www.ubuntu.com/usn/USN-1968-1
http://www.ubuntu.com/usn/USN-1969-1
http://www.ubuntu.com/usn/USN-1970-1
http://www.ubuntu.com/usn/USN-1971-1
http://www.ubuntu.com/usn/USN-1972-1
http://www.ubuntu.com/usn/USN-1973-1
http://www.ubuntu.com/usn/USN-1974-1
http://www.ubuntu.com/usn/USN-1975-1
https://bugzilla.redhat.com/show_bug.cgi?id=998878
Plugin Details
Severity: Medium
ID: 286507
File Name: unity_linux_UTSA-2026-001885.nasl
Version: 1.1
Type: local
Published: 1/15/2026
Updated: 1/15/2026
Supported Sensors: Nessus
Risk Information
VPR
Risk Factor: Medium
Score: 5.9
CVSS v2
Risk Factor: Medium
Base Score: 6.9
Temporal Score: 5.1
Vector: CVSS2#AV:L/AC:M/Au:N/C:C/I:C/A:C
CVSS Score Source: CVE-2013-4254
CVSS v3
Risk Factor: Medium
Base Score: 5.5
Temporal Score: 4.8
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: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: 1/15/2026
Vulnerability Publication Date: 8/7/2013
Reference Information
CVE: CVE-2013-4254