Detections
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Unity Linux 20.1050e / 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-001605)
medium Nessus Plugin ID 283788
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-2026-001605 advisory.Linux kernel ext4 filesystem is vulnerable to an out-of-bound access in the ext4_ext_drop_refs() function when operating on a crafted ext4 filesystem 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?787dad47
http://www.securityfocus.com/bid/104878
http://www.securityfocus.com/bid/106503
https://access.redhat.com/errata/RHSA-2018:2948
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-10877
https://lists.debian.org/debian-lts-announce/2018/07/msg00020.html
https://security-tracker.debian.org/tracker/CVE-2018-10877
https://usn.ubuntu.com/3753-1/
https://usn.ubuntu.com/3753-2/
https://usn.ubuntu.com/3754-1/
https://usn.ubuntu.com/3871-1/
https://usn.ubuntu.com/3871-3/
Plugin Details
Severity: Medium
ID: 283788
File Name: unity_linux_UTSA-2026-001605.nasl
Version: 1.3
Type: local
Published: 1/14/2026
Updated: 1/15/2026
Supported Sensors: Nessus
Risk Information
VPR
Risk Factor: Medium
Score: 5.9
CVSS v2
Risk Factor: Medium
Base Score: 6.8
Temporal Score: 5
Vector: CVSS2#AV:N/AC:M/Au:N/C:P/I:P/A:P
CVSS Score Source: CVE-2018-10877
CVSS v3
Risk Factor: Medium
Base Score: 6.5
Temporal Score: 5.7
Vector: CVSS:3.0/AV:L/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:H
Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C
Vulnerability Information
Required KB Items: Host/local_checks_enabled, Host/cpu, Host/UOS-Server/release, Host/UOS-Server/rpm-list
Exploit Ease: No known exploits are available
Patch Publication Date: 1/14/2026
Vulnerability Publication Date: 4/16/2018
Reference Information
CVE: CVE-2018-10877