Detections
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Unity Linux 20.1060a / 20.1070a Security Update: kernel (UTSA-2026-002140)
high Nessus Plugin ID 287050
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-2026-002140 advisory.arch/x86/kernel/entry_64.S in the Linux kernel before 3.17.5 does not properly handle faults associated with the Stack Segment (SS) segment register, which allows local users to gain privileges by triggering an IRET instruction that leads to access to a GS Base address from the wrong space.
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?e8a62b6a
http://www.nessus.org/u?9c8d81f4
http://www.nessus.org/u?f0ab19d3
http://www.nessus.org/u?5c7f4066
http://www.nessus.org/u?3994282b
http://marc.info/?l=bugtraq&m=142722450701342&w=2
http://marc.info/?l=bugtraq&m=142722544401658&w=2
http://osvdb.org/show/osvdb/115919
http://rhn.redhat.com/errata/RHSA-2014-1998.html
http://rhn.redhat.com/errata/RHSA-2014-2008.html
http://rhn.redhat.com/errata/RHSA-2014-2028.html
http://rhn.redhat.com/errata/RHSA-2014-2031.html
http://rhn.redhat.com/errata/RHSA-2015-0009.html
http://secunia.com/advisories/62336
http://source.android.com/security/bulletin/2016-04-02.html
http://www.exploit-db.com/exploits/36266
http://www.openwall.com/lists/oss-security/2014/12/15/6
http://www.ubuntu.com/usn/USN-2491-1
http://www.zerodayinitiative.com/advisories/ZDI-16-170
https://bugzilla.redhat.com/show_bug.cgi?id=1172806
http://www.nessus.org/u?bcd8d7f4
http://www.nessus.org/u?2a145be9
https://security-tracker.debian.org/tracker/CVE-2014-9322
https://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.17.5
Plugin Details
Severity: High
ID: 287050
File Name: unity_linux_UTSA-2026-002140.nasl
Version: 1.1
Type: local
Published: 1/15/2026
Updated: 1/15/2026
Supported Sensors: Nessus
Risk Information
VPR
Risk Factor: High
Score: 8.4
CVSS v2
Risk Factor: High
Base Score: 7.2
Temporal Score: 5.6
Vector: CVSS2#AV:L/AC:L/Au:N/C:C/I:C/A:C
CVSS Score Source: CVE-2014-9322
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: 1/15/2026
Vulnerability Publication Date: 12/3/2014
Reference Information
CVE: CVE-2014-9322