MEDIUM
xen: inconsistent cachability flags on guest mappings (XSA-154)
Published Feb 19, 2016
6.8
MEDIUMCVSS 3.0
EPSS 1.48%
Description
Xen 4.6.x and earlier allows local guest administrators to cause a denial of service (host reboot) via vectors related to multiple mappings of MMIO pages with different cachability settings.
Affected products
No data.
Configuration 1
OR
- 7.0
- 8.0
Configuration 2
OR
- 22
- 23
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.
6.8 MEDIUM NVD
CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:H
Attack Vector Network
Attack Complexity Low
Privileges Required High
User Interaction None
Scope Changed
Confidentiality Impact None
Integrity Impact None
Availability Impact High
4.6 MEDIUM NVD
AV:L/AC:L/Au:S/C:N/I:N/A:C
Access Vector Local
Access Complexity Low
Authentication Single
Confidentiality Impact None
Integrity Impact None
Availability Impact Complete
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
1.48% 0.01481
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
EPSS probability 0.01481
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 (21 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 1.48% (0.01481) | 73.00th | v5 (v2026.06.15) |
| Sep 22, 2026 | 1.48% (0.01481) | 72.80th | v5 (v2026.06.15) |
| Sep 21, 2026 | 0.40% (0.00399) | 33.89th | v5 (v2026.06.15) |
| Sep 6, 2026 | 1.48% (0.01481) | 72.23th | v5 (v2026.06.15) |
| Sep 5, 2026 | 0.40% (0.00399) | 33.13th | v5 (v2026.06.15) |
| Aug 30, 2026 | 1.48% (0.01481) | 72.10th | v5 (v2026.06.15) |
| Aug 28, 2026 | 0.40% (0.00399) | 32.91th | v5 (v2026.06.15) |
| Aug 24, 2026 | 1.48% (0.01481) | 71.94th | v5 (v2026.06.15) |
| Aug 23, 2026 | 0.40% (0.00399) | 33.37th | v5 (v2026.06.15) |
| Jun 15, 2026 | 1.45% (0.01453) | 69.92th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.28% (0.00284) | 49.77th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.48% (0.00484) | 76.74th | v3 (v2023.03.01) |
| Mar 20, 2024 | 0.48% (0.00484) | 75.43th | v3 (v2023.03.01) |
| Feb 8, 2024 | 0.48% (0.00478) | 75.08th | v3 (v2023.03.01) |
| Dec 12, 2023 | 0.48% (0.00478) | 73.08th | v3 (v2023.03.01) |
| Oct 7, 2023 | 0.34% (0.00337) | 67.95th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.24% (0.00245) | 60.62th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.03% (0.01034) | 41.69th | v2 (v2022.01.01) |
| Sep 10, 2022 | 1.03% (0.01034) | 39.91th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.03% (0.01034) | 37.91th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.03% (0.01034) | 20.32th | v2 (v2022.01.01) |
Weaknesses (1)
References (11)
- http://lists.fedoraproject.org/pipermail/package-announce/2016-February/177990.html vendor-advisoryx_refsource_FEDORAThird Party Advisory
- http://lists.fedoraproject.org/pipermail/package-announce/2016-March/178518.html vendor-advisoryx_refsource_FEDORAThird Party Advisory
- http://www.debian.org/security/2016/dsa-3519 vendor-advisoryx_refsource_DEBIANThird Party Advisory
- http://www.oracle.com/technetwork/topics/security/ovmbulletinjul2016-3090546.html x_refsource_CONFIRMVendor Advisory
- http://www.securitytracker.com/id/1035042 vdb-entryx_refsource_SECTRACKThird Party AdvisoryVDB Entry
- http://xenbits.xen.org/xsa/advisory-154.html x_refsource_CONFIRMPatchVendor Advisory
- https://access.redhat.com/security/cve/CVE-2016-2270 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1304627 Issue Tracking
- https://nvd.nist.gov/vuln/detail/CVE-2016-2270
- https://security.gentoo.org/glsa/201604-03 vendor-advisoryx_refsource_GENTOO
- https://www.cve.org/CVERecord?id=CVE-2016-2270
| Link | Providers | Tags |
|---|---|---|
| http://lists.fedoraproject.org/pipermail/package-announce/2016-February/177990.html | vendor-advisoryx_refsource_FEDORAThird Party Advisory | |
| http://lists.fedoraproject.org/pipermail/package-announce/2016-March/178518.html | vendor-advisoryx_refsource_FEDORAThird Party Advisory | |
| http://www.debian.org/security/2016/dsa-3519 | vendor-advisoryx_refsource_DEBIANThird Party Advisory | |
| http://www.oracle.com/technetwork/topics/security/ovmbulletinjul2016-3090546.html | x_refsource_CONFIRMVendor Advisory | |
| http://www.securitytracker.com/id/1035042 | vdb-entryx_refsource_SECTRACKThird Party AdvisoryVDB Entry | |
| http://xenbits.xen.org/xsa/advisory-154.html | x_refsource_CONFIRMPatchVendor Advisory | |
| https://access.redhat.com/security/cve/CVE-2016-2270 | Vendor Advisory | |
| https://bugzilla.redhat.com/show_bug.cgi?id=1304627 | Issue Tracking | |
| https://nvd.nist.gov/vuln/detail/CVE-2016-2270 | ||
| https://security.gentoo.org/glsa/201604-03 | vendor-advisoryx_refsource_GENTOO | |
| https://www.cve.org/CVERecord?id=CVE-2016-2270 |
Change history (0)
No recorded changes yet.
Sources
CVE.org / MITRE
Status PUBLISHED
Assigner mitre
Published Feb 19, 2016
Updated Aug 5, 2024
Reserved Feb 9, 2016
Link CVE-2016-2270
CISA Vulnrichment
Updated n/a