xen: x86 software interrupt injection mis-handled (XSA-196)
Published Feb 22, 2017
6.5
MEDIUMCVSS 3.0
EPSS 0.39%
Description
Xen 4.5.x through 4.7.x on AMD systems without the NRip feature, when emulating instructions that generate software interrupts, allows local HVM guest OS users to cause a denial of service (guest crash) by leveraging IDT entry miscalculation.
Affected products
No data.
No data.
Red Hat Enterprise Linux 5
xen
Not affected
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 5 | xen | Not affected | 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:U/C:N/I:N/A:H
1 other source (Red Hat) ▾
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
AV:L/AC:L/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 | 0.39% (0.00390) | 30.63th | v5 (v2026.06.15) |
| Jun 15, 2026 | 0.39% (0.00390) | 30.53th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.07% (0.00071) | 19.05th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.06% (0.00059) | 26.93th | v3 (v2023.03.01) |
| May 25, 2024 | 0.06% (0.00059) | 24.81th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.06% (0.00059) | 22.80th | 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://www.securityfocus.com/bid/94475 vdb-entryx_refsource_BID
- http://www.securitytracker.com/id/1037345 vdb-entryx_refsource_SECTRACK
- http://xenbits.xen.org/xsa/advisory-196.html x_refsource_CONFIRMPatchVendor Advisory
- https://access.redhat.com/security/cve/CVE-2016-9377 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1392937 Issue Tracking
- https://nvd.nist.gov/vuln/detail/CVE-2016-9377
- https://security.gentoo.org/glsa/201612-56 vendor-advisoryx_refsource_GENTOO
- https://www.cve.org/CVERecord?id=CVE-2016-9377
| Link | Providers | Tags |
|---|---|---|
| http://www.securityfocus.com/bid/94475 | vdb-entryx_refsource_BID | |
| http://www.securitytracker.com/id/1037345 | vdb-entryx_refsource_SECTRACK | |
| http://xenbits.xen.org/xsa/advisory-196.html | x_refsource_CONFIRMPatchVendor Advisory | |
| https://access.redhat.com/security/cve/CVE-2016-9377 | Vendor Advisory | |
| https://bugzilla.redhat.com/show_bug.cgi?id=1392937 | Issue Tracking | |
| https://nvd.nist.gov/vuln/detail/CVE-2016-9377 | ||
| https://security.gentoo.org/glsa/201612-56 | vendor-advisoryx_refsource_GENTOO | |
| https://www.cve.org/CVERecord?id=CVE-2016-9377 |
Change history (0)
No recorded changes yet.