xen: x86 shadow pagetables: address width overflow (XSA-173)
Published Apr 19, 2016
8.8
HIGHCVSS 3.0
EPSS 0.46%
Description
Integer overflow in the x86 shadow pagetable code in Xen allows local guest OS users to cause a denial of service (host crash) or possibly gain privileges by shadowing a superpage mapping.
Affected products
No data.
Configuration 2
- 22
- 23
- 24
No data.
Red Hat Enterprise Linux 5
xen
Will not fix
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 5 | xen | Will not fix | n/a |
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
AV:L/AC:L/Au:N/C:C/I:C/A:C
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
Score over time
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (13 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 0.46% (0.00455) | 37.15th | v5 (v2026.06.15) |
| Jun 15, 2026 | 0.46% (0.00458) | 36.10th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.08% (0.00077) | 20.51th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.18% (0.00183) | 56.91th | v3 (v2023.03.01) |
| Jul 20, 2024 | 0.12% (0.00123) | 47.15th | v3 (v2023.03.01) |
| Jun 17, 2024 | 0.11% (0.00114) | 45.09th | v3 (v2023.03.01) |
| May 22, 2024 | 0.07% (0.00065) | 28.22th | v3 (v2023.03.01) |
| Feb 10, 2024 | 0.07% (0.00065) | 26.19th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.05% (0.00046) | 12.71th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.28% (0.01282) | 68.34th | v2 (v2022.01.01) |
| Feb 22, 2023 | 1.28% (0.01282) | 68.05th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.28% (0.01282) | 65.91th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.28% (0.01282) | 41.72th | v2 (v2022.01.01) |
References (13)
- http://lists.fedoraproject.org/pipermail/package-announce/2016-April/183275.html vendor-advisoryx_refsource_FEDORAThird Party Advisory
- http://lists.fedoraproject.org/pipermail/package-announce/2016-May/183350.html vendor-advisoryx_refsource_FEDORAThird Party Advisory
- http://lists.fedoraproject.org/pipermail/package-announce/2016-May/184209.html vendor-advisoryx_refsource_FEDORAThird Party Advisory
- http://support.citrix.com/article/CTX209443 x_refsource_CONFIRM
- http://www.debian.org/security/2016/dsa-3554 vendor-advisoryx_refsource_DEBIAN
- http://www.oracle.com/technetwork/topics/security/ovmbulletinjul2016-3090546.html x_refsource_CONFIRMVendor Advisory
- http://www.securityfocus.com/bid/86318 vdb-entryx_refsource_BID
- http://www.securitytracker.com/id/1035587 vdb-entryx_refsource_SECTRACK
- http://xenbits.xen.org/xsa/advisory-173.html x_refsource_CONFIRMPatchVendor Advisory
- https://access.redhat.com/security/cve/CVE-2016-3960 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1323955 Issue Tracking
- https://nvd.nist.gov/vuln/detail/CVE-2016-3960
- https://www.cve.org/CVERecord?id=CVE-2016-3960
Change history (0)
No recorded changes yet.