Detections
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Unity Linux 20.1060e Security Update: kernel (UTSA-2026-004236)
medium Nessus Plugin ID 288606
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-2026-004236 advisory.An issue was discovered in ioapic_lazy_update_eoi in arch/x86/kvm/ioapic.c in the Linux kernel before 5.9.2. It has an infinite loop related to improper interaction between a resampler and edge triggering, aka CID-77377064c3a9.
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?dda3d407
http://www.openwall.com/lists/oss-security/2020/11/03/1
https://bugzilla.kernel.org/show_bug.cgi?id=208767
https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.9.2
Plugin Details
Severity: Medium
ID: 288606
File Name: unity_linux_UTSA-2026-004236.nasl
Version: 1.1
Type: local
Published: 1/16/2026
Updated: 1/16/2026
Supported Sensors: Nessus
Risk Information
VPR
Risk Factor: Medium
Score: 4.4
CVSS v2
Risk Factor: Low
Base Score: 2.1
Temporal Score: 1.6
Vector: CVSS2#AV:L/AC:L/Au:N/C:N/I:N/A:P
CVSS Score Source: CVE-2020-27152
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: 1/16/2026
Vulnerability Publication Date: 11/6/2020
Reference Information
CVE: CVE-2020-27152