Unity Linux 20.1060a / 20.1070a Security Update: kernel (UTSA-2026-004005)

high Nessus Plugin ID 288633

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-2026-004005 advisory.

The KVM implementation in the Linux kernel through 4.20.5 has a Use-after-Free.

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

https://lists.debian.org/debian-lts-announce/2019/03/msg00034.html

https://lists.debian.org/debian-lts-announce/2019/04/msg00004.html

https://lists.debian.org/debian-lts-announce/2019/05/msg00002.html

http://www.nessus.org/u?538a816b

http://www.nessus.org/u?b7e162b1

https://security-tracker.debian.org/tracker/CVE-2019-7221

https://security.netapp.com/advisory/ntap-20190404-0002/

https://support.f5.com/csp/article/K08413011

https://usn.ubuntu.com/3930-1/

https://usn.ubuntu.com/3930-2/

https://usn.ubuntu.com/3931-1/

https://usn.ubuntu.com/3931-2/

https://usn.ubuntu.com/3932-1/

https://usn.ubuntu.com/3932-2/

http://www.nessus.org/u?281e6d11

http://www.nessus.org/u?d28302fa

http://www.nessus.org/u?e776ff59

http://www.openwall.com/lists/oss-security/2019/02/18/2

https://access.redhat.com/errata/RHBA-2019:0959

https://access.redhat.com/errata/RHSA-2019:0818

https://access.redhat.com/errata/RHSA-2019:0833

https://access.redhat.com/errata/RHSA-2019:3967

https://access.redhat.com/errata/RHSA-2019:4058

https://bugs.chromium.org/p/project-zero/issues/detail?id=1760

http://www.nessus.org/u?b6d30d9c

https://github.com/torvalds/linux/commits/master/arch/x86/kvm

Plugin Details

Severity: High

ID: 288633

File Name: unity_linux_UTSA-2026-004005.nasl

Version: 1.2

Type: local

Published: 1/16/2026

Updated: 1/17/2026

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 6.7

CVSS v2

Risk Factor: Medium

Base Score: 4.6

Temporal Score: 3.6

Vector: CVSS2#AV:L/AC:L/Au:N/C:P/I:P/A:P

CVSS Score Source: CVE-2019-7221

CVSS v3

Risk Factor: High

Base Score: 7.8

Temporal Score: 7

Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/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: 2/7/2019

Reference Information

CVE: CVE-2019-7221