Xen up to 4.10.x HPET Timer HVM Guest access control

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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A vulnerability classified as critical was found in Xen up to 4.10.x (Virtualization Software). This vulnerability affects an unknown functionality of the component HPET Timer. The manipulation as part of a HVM Guest leads to a access control vulnerability. The CWE definition for the vulnerability is CWE-264. As an impact it is known to affect confidentiality, integrity, and availability.

The bug was discovered 05/08/2018. The weakness was disclosed 05/10/2018 with Citrix (oss-sec). The advisory is available at openwall.com. This vulnerability was named CVE-2018-10982 since 05/10/2018. The exploitation appears to be easy. Local access is required to approach this attack. No form of authentication is required for a successful exploitation. The technical details are unknown and an exploit is not available. This vulnerability is assigned to T1068 by the MITRE ATT&CK project.

The vulnerability was handled as a non-public zero-day exploit for at least 2 days. During that time the estimated underground price was around $5k-$25k. The vulnerability scanner Nessus provides a plugin with the ID 110309 (openSUSE Security Update : xen (openSUSE-2018-547) (Spectre)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family SuSE Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 390158 (Oracle VM Server for x86 Security Update for xen (OVMSA-2018-0272)).

Upgrading eliminates this vulnerability. A possible mitigation has been published 4 weeks after the disclosure of the vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (110309). The entries 113918, 113919, 117441 and 117508 are pretty similar.





  • open-source

CPE 2.3info

CPE 2.2info


VulDB Meta Base Score: 7.5
VulDB Meta Temp Score: 7.4

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 8.8
NVD Vector: 🔍



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Class: Access control
CWE: CWE-264
ATT&CK: T1068

Local: Yes
Remote: No

Availability: 🔍
Status: Not defined

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Current Price Estimation: 🔍


Nessus ID: 110309
Nessus Name: openSUSE Security Update : xen (openSUSE-2018-547) (Spectre)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
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OpenVAS ID: 54608
OpenVAS Name: Fedora Update for xen FEDORA-2018-98684f429b
OpenVAS File: 🔍
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Qualys ID: 🔍
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Threat Intelligenceinfo

Interest: 🔍
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Recommended: Upgrade
Status: 🔍

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05/08/2018 🔍
05/08/2018 +0 days 🔍
05/10/2018 +1 days 🔍
05/10/2018 +0 days 🔍
05/10/2018 +0 days 🔍
05/11/2018 +1 days 🔍
06/01/2018 +21 days 🔍
06/04/2018 +3 days 🔍
03/11/2023 +1741 days 🔍


Advisory: DLA 1383-1
Organization: Citrix
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2018-10982 (🔍)

SecurityFocus: 104150 - Xen CVE-2018-10982 Local Denial of Service Vulnerability

See also: 🔍


Created: 05/11/2018 11:08 AM
Updated: 03/11/2023 05:35 PM
Changes: 05/11/2018 11:08 AM (77), 02/04/2020 03:12 PM (7), 03/11/2023 05:35 PM (4)
Complete: 🔍


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