xen: certain domctl operations may be abused to lock up the host
Published Apr 1, 2015
7.1
HIGHCVSS 2.0
EPSS 2.28%
Description
Xen 4.3.x, 4.4.x, and 4.5.x, when using toolstack disaggregation, allows remote domains with partial management control to cause a denial of service (host lock) via unspecified domctl operations.
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
Red Hat statement
Not vulnerable. This issue does not affect the kernel-xen packages as shipped with Red Hat Enterprise Linux 5.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
No CVSS v3.0 score for this CVE.
AV:N/AC:M/Au:N/C:N/I:N/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 (12 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 2.28% (0.02278) | 82.50th | v5 (v2026.06.15) |
| Jun 15, 2026 | 2.28% (0.02278) | 80.78th | v5 (v2026.06.15) |
| Mar 30, 2025 | 1.94% (0.01939) | 81.78th | v4 (v2025.03.14) |
| Mar 29, 2025 | 3.02% (0.03023) | 77.66th | v4 (v2025.03.14) |
| Mar 17, 2025 | 1.94% (0.01939) | 82.20th | v4 (v2025.03.14) |
| Dec 12, 2024 | 1.03% (0.01025) | 84.49th | v3 (v2023.03.01) |
| May 3, 2024 | 1.26% (0.01262) | 85.51th | v3 (v2023.03.01) |
| Mar 7, 2023 | 1.26% (0.01262) | 83.47th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.18% (0.01183) | 61.76th | v2 (v2022.01.01) |
| Oct 19, 2022 | 1.18% (0.01183) | 60.79th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.18% (0.01183) | 58.77th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.18% (0.01183) | 35.15th | v2 (v2022.01.01) |
References (12)
- http://lists.fedoraproject.org/pipermail/package-announce/2015-April/154574.html vendor-advisoryx_refsource_FEDORAThird Party Advisory
- http://lists.fedoraproject.org/pipermail/package-announce/2015-April/154579.html vendor-advisoryx_refsource_FEDORAThird Party Advisory
- http://lists.fedoraproject.org/pipermail/package-announce/2015-April/155198.html vendor-advisoryx_refsource_FEDORA
- http://lists.opensuse.org/opensuse-security-announce/2015-05/msg00018.html vendor-advisoryx_refsource_SUSE
- http://www.securityfocus.com/bid/73443 vdb-entryx_refsource_BID
- http://www.securitytracker.com/id/1031997 vdb-entryx_refsource_SECTRACKThird Party AdvisoryVDB Entry
- http://xenbits.xen.org/xsa/advisory-127.html x_refsource_CONFIRMPatchVendor Advisory
- https://access.redhat.com/security/cve/CVE-2015-2751 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1203745 Issue Tracking
- https://nvd.nist.gov/vuln/detail/CVE-2015-2751
- https://security.gentoo.org/glsa/201504-04 vendor-advisoryx_refsource_GENTOO
- https://www.cve.org/CVERecord?id=CVE-2015-2751
Change history (0)
No recorded changes yet.