xen: non-maskable interrupts triggerable by guests (xsa120)
Published Mar 12, 2015
4.9
MEDIUMCVSS 2.0
EPSS 0.53%
Description
Xen 3.3.x through 4.5.x and the Linux kernel through 3.19.1 do not properly restrict access to PCI command registers, which might allow local guest OS users to cause a denial of service (non-maskable interrupt and host crash) by disabling the (1) memory or (2) I/O decoding for a PCI Express device and then accessing the device, which triggers an Unsupported Request (UR) response.
Affected products
No data.
Configuration 2
- 3.3.0
- 3.3.1
- 3.3.2
- 3.4.0
- 3.4.1
- 3.4.2
- 3.4.3
- 3.4.4
- 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
- 4.1.6.1
- 4.2.0
- 4.2.1
- 4.2.2
- 4.2.3
- 4.3.0
- 4.3.1
- 4.4.0
- 4.4.0
- 4.4.1
- 4.5.0
Configuration 3
- ≤ 3.19.1
No data.
Red Hat Enterprise Linux 5
kernel
Will not fix
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 5 | kernel | Will not fix | n/a |
No package ranges for this CVE.
Remediation
Red Hat statement
This issue does affect the Dom0 Xen kernel as shipped with Red Hat Enterprise Linux 5. Red Hat Enterprise Linux 5 is now in Production 3 Phase of the support and maintenance life cycle. This has been rated as having Moderate security impact and is not currently planned to be addressed in future updates. For additional information, refer to the Red Hat Enterprise Linux Life Cycle: https://access.redhat.com/support/policy/updates/errata/.
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:L/AC:L/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 2, 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 2, 2026 | 0.53% (0.00534) | 43.02th | v5 (v2026.06.15) |
| Jun 15, 2026 | 0.53% (0.00534) | 40.57th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.06% (0.00058) | 15.43th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.06% (0.00064) | 30.08th | v3 (v2023.03.01) |
| Jun 21, 2024 | 0.06% (0.00064) | 28.17th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.06% (0.00064) | 26.16th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.55% (0.01547) | 74.98th | v2 (v2022.01.01) |
| Feb 23, 2023 | 1.55% (0.01547) | 74.94th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.55% (0.01547) | 72.92th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.55% (0.01547) | 51.82th | v2 (v2022.01.01) |
References (24)
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=af6fc858a35b90e89ea7a7ee58e66628c55c776b x_refsource_CONFIRM
- http://lists.fedoraproject.org/pipermail/package-announce/2015-April/155804.html vendor-advisoryx_refsource_FEDORA
- http://lists.fedoraproject.org/pipermail/package-announce/2015-April/155854.html vendor-advisoryx_refsource_FEDORA
- http://lists.fedoraproject.org/pipermail/package-announce/2015-April/155908.html vendor-advisoryx_refsource_FEDORA
- http://lists.fedoraproject.org/pipermail/package-announce/2015-March/152747.html vendor-advisoryx_refsource_FEDORA
- http://lists.opensuse.org/opensuse-security-announce/2015-04/msg00001.html vendor-advisoryx_refsource_SUSE
- http://lists.opensuse.org/opensuse-security-announce/2015-09/msg00004.html vendor-advisoryx_refsource_SUSE
- http://lists.opensuse.org/opensuse-security-announce/2015-09/msg00018.html vendor-advisoryx_refsource_SUSE
- http://lists.opensuse.org/opensuse-security-announce/2015-09/msg00021.html vendor-advisoryx_refsource_SUSE
- http://www.debian.org/security/2015/dsa-3237 vendor-advisoryx_refsource_DEBIAN
- http://www.oracle.com/technetwork/topics/security/linuxbulletinjan2016-2867209.html x_refsource_CONFIRM
- http://www.securityfocus.com/bid/73014 vdb-entryx_refsource_BID
- http://www.securitytracker.com/id/1031806 vdb-entryx_refsource_SECTRACK
- http://www.securitytracker.com/id/1031902 vdb-entryx_refsource_SECTRACK
- http://www.ubuntu.com/usn/USN-2631-1 vendor-advisoryx_refsource_UBUNTU
- http://www.ubuntu.com/usn/USN-2632-1 vendor-advisoryx_refsource_UBUNTU
- http://www1.huawei.com/en/security/psirt/security-bulletins/security-advisories/hw-423503.htm x_refsource_CONFIRM
- http://xenbits.xen.org/xsa/advisory-120.html x_refsource_CONFIRMVendor Advisory
- https://access.redhat.com/security/cve/CVE-2015-2150 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1196266 x_refsource_CONFIRMIssue Tracking
- https://github.com/torvalds/linux/commit/af6fc858a35b90e89ea7a7ee58e66628c55c776b x_refsource_CONFIRM
- https://nvd.nist.gov/vuln/detail/CVE-2015-2150
- https://seclists.org/bugtraq/2019/Aug/18 mailing-listx_refsource_BUGTRAQ
- https://www.cve.org/CVERecord?id=CVE-2015-2150
Change history (0)
No recorded changes yet.