xen: Unintentional logging upon guest changing callback method on x86
Published Jan 8, 2016
5.0
MEDIUMCVSS 3.0
EPSS 1.16%
Description
The hvm_set_callback_via function in arch/x86/hvm/irq.c in Xen 4.6 does not limit the number of printk console messages when logging the new callback method, which allows local HVM guest OS users to cause a denial of service via a large number of changes to the callback method (HVM_PARAM_CALLBACK_IRQ).
Affected products
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:L/PR:L/UI:N/S:C/C:N/I:N/A:L
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 | 1.16% (0.01163) | 66.05th | v5 (v2026.06.15) |
| Jun 15, 2026 | 1.16% (0.01163) | 63.00th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.34% (0.00339) | 54.41th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.10% (0.00100) | 42.89th | v3 (v2023.03.01) |
| Jul 10, 2024 | 0.10% (0.00100) | 41.62th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.10% (0.00100) | 39.61th | 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.securityfocus.com/bid/79644 vdb-entryx_refsource_BID
- http://www.securitytracker.com/id/1034512 vdb-entryx_refsource_SECTRACK
- http://xenbits.xen.org/xsa/advisory-169.html x_refsource_CONFIRMVendor Advisory
- https://access.redhat.com/security/cve/CVE-2015-8615 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1293675 Issue Tracking
- https://nvd.nist.gov/vuln/detail/CVE-2015-8615
- https://www.cve.org/CVERecord?id=CVE-2015-8615
| Link | Providers | Tags |
|---|---|---|
| http://www.securityfocus.com/bid/79644 | vdb-entryx_refsource_BID | |
| http://www.securitytracker.com/id/1034512 | vdb-entryx_refsource_SECTRACK | |
| http://xenbits.xen.org/xsa/advisory-169.html | x_refsource_CONFIRMVendor Advisory | |
| https://access.redhat.com/security/cve/CVE-2015-8615 | Vendor Advisory | |
| https://bugzilla.redhat.com/show_bug.cgi?id=1293675 | Issue Tracking | |
| https://nvd.nist.gov/vuln/detail/CVE-2015-8615 | ||
| https://www.cve.org/CVERecord?id=CVE-2015-8615 |
Change history (0)
No recorded changes yet.