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Unity Linux 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-003388)
medium Nessus Plugin ID 287838
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-2026-003388 advisory.A flaw was found in Linux kernel in the ext4 filesystem code. A use-after-free is possible in ext4_ext_remove_space() function when mounting and operating a crafted ext4 image.
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?6f7ccd77
http://patchwork.ozlabs.org/patch/929239/
http://www.securityfocus.com/bid/104904
http://www.securityfocus.com/bid/106503
https://access.redhat.com/errata/RHSA-2019:0525
https://bugzilla.kernel.org/show_bug.cgi?id=199403
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-10876
http://www.nessus.org/u?fd07f0dd
https://lists.debian.org/debian-lts-announce/2018/07/msg00020.html
https://security-tracker.debian.org/tracker/CVE-2018-10876
https://usn.ubuntu.com/3753-1/
https://usn.ubuntu.com/3753-2/
https://usn.ubuntu.com/3871-1/
https://usn.ubuntu.com/3871-3/
Plugin Details
Severity: Medium
ID: 287838
File Name: unity_linux_UTSA-2026-003388.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-2018-10876
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: 4/16/2018
Reference Information
CVE: CVE-2018-10876