xen: Unsanitised driver domain input in libxl device handling (XSA-178)
Published Jun 7, 2016
4.7
MEDIUMCVSS 3.0
EPSS 0.30%
Description
The libxl device-handling in Xen through 4.6.x allows local guest OS users with access to the driver domain to cause a denial of service (management tool confusion) by manipulating information in the backend directories in xenstore.
Affected products
No data.
- 4.0.0
- 4.0.1
- 4.0.2
- 4.0.3
- 4.0.4
- 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
- 4.4.4
- 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:H/PR:L/UI:N/S:U/C:N/I:N/A:H
AV:L/AC:M/Au:N/C:N/I:N/A:P
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 | 0.30% (0.00297) | 20.22th | v5 (v2026.06.15) |
| Jun 15, 2026 | 0.30% (0.00299) | 21.37th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.05% (0.00047) | 11.55th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.05% (0.00052) | 22.60th | v3 (v2023.03.01) |
| Jun 13, 2024 | 0.05% (0.00052) | 20.76th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.05% (0.00052) | 18.73th | v3 (v2023.03.01) |
| Mar 6, 2023 | 0.89% (0.00890) | 30.33th | v2 (v2022.01.01) |
| Sep 10, 2022 | 0.89% (0.00890) | 28.64th | v2 (v2022.01.01) |
| Apr 1, 2022 | 0.89% (0.00890) | 26.62th | v2 (v2022.01.01) |
| Feb 4, 2022 | 0.89% (0.00890) | 12.04th | v2 (v2022.01.01) |
References (7)
- http://www.securitytracker.com/id/1036024 vdb-entryx_refsource_SECTRACK
- http://xenbits.xen.org/xsa/advisory-178.html x_refsource_CONFIRMVendor Advisory
- https://access.redhat.com/security/cve/CVE-2016-4963 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1335442 Issue Tracking
- https://lists.debian.org/debian-lts-announce/2018/09/msg00006.html mailing-listx_refsource_MLIST
- https://nvd.nist.gov/vuln/detail/CVE-2016-4963
- https://www.cve.org/CVERecord?id=CVE-2016-4963
| Link | Providers | Tags |
|---|---|---|
| http://www.securitytracker.com/id/1036024 | vdb-entryx_refsource_SECTRACK | |
| http://xenbits.xen.org/xsa/advisory-178.html | x_refsource_CONFIRMVendor Advisory | |
| https://access.redhat.com/security/cve/CVE-2016-4963 | Vendor Advisory | |
| https://bugzilla.redhat.com/show_bug.cgi?id=1335442 | Issue Tracking | |
| https://lists.debian.org/debian-lts-announce/2018/09/msg00006.html | mailing-listx_refsource_MLIST | |
| https://nvd.nist.gov/vuln/detail/CVE-2016-4963 | ||
| https://www.cve.org/CVERecord?id=CVE-2016-4963 |
Change history (0)
No recorded changes yet.