xen: Unsanitised guest input in libxl device handling code (XSA-175)
Published Jun 7, 2016
6.7
MEDIUMCVSS 3.0
EPSS 0.40%
Description
The libxl device-handling in Xen 4.6.x and earlier allows local OS guest administrators to cause a denial of service (resource consumption or management facility confusion) or gain host OS privileges by manipulating information in guest controlled areas of xenstore.
Affected products
No data.
Configuration 2
- 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
- 4.4.4
- 4.5.0
- 4.5.1
- 4.5.2
- 4.5.3
- 4.6.0
- 4.6.1
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:H/UI:N/S:U/C:H/I:H/A:H
AV:L/AC:L/Au:S/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 (10 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 0.40% (0.00399) | 31.69th | v5 (v2026.06.15) |
| Jun 15, 2026 | 0.40% (0.00402) | 31.74th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.14% (0.00139) | 31.31th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.27% (0.00271) | 68.77th | v3 (v2023.03.01) |
| May 2, 2024 | 0.04% (0.00045) | 14.75th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.05% (0.00046) | 12.71th | 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 (9)
- http://www.debian.org/security/2016/dsa-3633 vendor-advisoryx_refsource_DEBIAN
- http://www.oracle.com/technetwork/topics/security/ovmbulletinjul2016-3090546.html x_refsource_CONFIRMVendor Advisory
- http://www.securityfocus.com/bid/91006 vdb-entryx_refsource_BID
- http://www.securitytracker.com/id/1036023 vdb-entryx_refsource_SECTRACKThird Party AdvisoryVDB Entry
- http://xenbits.xen.org/xsa/advisory-175.html x_refsource_CONFIRMVendor Advisory
- https://access.redhat.com/security/cve/CVE-2016-4962 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1335438 Issue Tracking
- https://nvd.nist.gov/vuln/detail/CVE-2016-4962
- https://www.cve.org/CVERecord?id=CVE-2016-4962
| Link | Providers | Tags |
|---|---|---|
| http://www.debian.org/security/2016/dsa-3633 | vendor-advisoryx_refsource_DEBIAN | |
| http://www.oracle.com/technetwork/topics/security/ovmbulletinjul2016-3090546.html | x_refsource_CONFIRMVendor Advisory | |
| http://www.securityfocus.com/bid/91006 | vdb-entryx_refsource_BID | |
| http://www.securitytracker.com/id/1036023 | vdb-entryx_refsource_SECTRACKThird Party AdvisoryVDB Entry | |
| http://xenbits.xen.org/xsa/advisory-175.html | x_refsource_CONFIRMVendor Advisory | |
| https://access.redhat.com/security/cve/CVE-2016-4962 | Vendor Advisory | |
| https://bugzilla.redhat.com/show_bug.cgi?id=1335438 | Issue Tracking | |
| https://nvd.nist.gov/vuln/detail/CVE-2016-4962 | ||
| https://www.cve.org/CVERecord?id=CVE-2016-4962 |
Change history (0)
No recorded changes yet.