xen: Intercept issue with INVLPG on non-canonical address causing host to crash
Published Jan 22, 2016
6.3
MEDIUMCVSS 3.0
EPSS 1.28%
Description
The paging_invlpg function in include/asm-x86/paging.h in Xen 3.3.x through 4.6.x, when using shadow mode paging or nested virtualization is enabled, allows local HVM guest users to cause a denial of service (host crash) via a non-canonical guest address in an INVVPID instruction, which triggers a hypervisor bug check.
Affected products
No data.
Configuration 2
- 3.3.0
- 3.3.1
- 3.3.2
- 3.4.0
- 3.4.1
- 3.4.2
- 3.4.3
- 3.4.4
- 4.1.0
- 4.1.1
- 4.1.2
- 4.1.3
- 4.1.4
- 4.1.5
- 4.1.6
- 4.1.6.1
- 4.2.0
- 4.2.1
- 4.2.2
- 4.2.3
- 4.2.4
- 4.2.5
- 4.3.0
- 4.3.1
- 4.3.2
- 4.3.3
- 4.3.4
- 4.4.0
- 4.4.0
- 4.4.1
- 4.4.2
- 4.4.3
- 4.5.0
- 4.5.1
- 4.5.2
- 4.6.0
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:N/AC:H/PR:L/UI:N/S:C/C:N/I:N/A:H
AV:L/AC:M/Au:N/C:N/I:N/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 (10 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 1.28% (0.01277) | 68.89th | v5 (v2026.06.15) |
| Jun 15, 2026 | 1.28% (0.01277) | 66.06th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.46% (0.00461) | 62.10th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.21% (0.00211) | 59.94th | v3 (v2023.03.01) |
| Jun 13, 2024 | 0.21% (0.00211) | 59.18th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.21% (0.00211) | 57.16th | v3 (v2023.03.01) |
| Mar 6, 2023 | 0.95% (0.00950) | 32.28th | v2 (v2022.01.01) |
| Sep 10, 2022 | 0.95% (0.00950) | 30.63th | v2 (v2022.01.01) |
| Apr 1, 2022 | 0.95% (0.00950) | 28.61th | v2 (v2022.01.01) |
| Feb 4, 2022 | 0.95% (0.00950) | 13.46th | v2 (v2022.01.01) |
References (8)
- http://support.citrix.com/article/CTX205496 x_refsource_CONFIRMThird Party Advisory
- http://www.debian.org/security/2016/dsa-3519 vendor-advisoryx_refsource_DEBIAN
- http://www.securitytracker.com/id/1034745 vdb-entryx_refsource_SECTRACKThird Party Advisory
- http://xenbits.xen.org/xsa/advisory-168.html x_refsource_CONFIRMVendor Advisory
- https://access.redhat.com/security/cve/CVE-2016-1571 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1296544 Issue Tracking
- https://nvd.nist.gov/vuln/detail/CVE-2016-1571
- https://www.cve.org/CVERecord?id=CVE-2016-1571
| Link | Providers | Tags |
|---|---|---|
| http://support.citrix.com/article/CTX205496 | x_refsource_CONFIRMThird Party Advisory | |
| http://www.debian.org/security/2016/dsa-3519 | vendor-advisoryx_refsource_DEBIAN | |
| http://www.securitytracker.com/id/1034745 | vdb-entryx_refsource_SECTRACKThird Party Advisory | |
| http://xenbits.xen.org/xsa/advisory-168.html | x_refsource_CONFIRMVendor Advisory | |
| https://access.redhat.com/security/cve/CVE-2016-1571 | Vendor Advisory | |
| https://bugzilla.redhat.com/show_bug.cgi?id=1296544 | Issue Tracking | |
| https://nvd.nist.gov/vuln/detail/CVE-2016-1571 | ||
| https://www.cve.org/CVERecord?id=CVE-2016-1571 |
Change history (0)
No recorded changes yet.