kernel: xen: svm: insufficiencies in handling emulated instructions during vm exits
Published Jan 7, 2014
6.1
MEDIUMCVSS 2.0
EPSS 0.70%
Description
The instruction emulation in Xen 3.0.3 allows local SMP guest users to cause a denial of service (host crash) by replacing the instruction that causes the VM to exit in one thread with a different instruction in a different thread.
Affected products
No data.
No data.
Red Hat Enterprise Linux 5
kernel-0:2.6.18-238.21.1.el5
Fixed · RHSA-2011:1163
Red Hat Enterprise Linux 5
kernel-0:2.6.18-274.el5
Fixed · RHSA-2011:1065
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 5 | kernel-0:2.6.18-238.21.1.el5 | Fixed | RHSA-2011:1163 |
| Red Hat Enterprise Linux 5 | kernel-0:2.6.18-274.el5 | Fixed | RHSA-2011:1065 |
No package ranges for this CVE.
Remediation
Red Hat statement
This issue did not affect the versions of the Linux kernel as shipped with Red Hat Enterprise Linux 4, 6, and Red Hat Enterprise MRG. This has been addressed in Red Hat Enterprise Linux 5 via https://rhn.redhat.com/errata/RHSA-2011-1065.html. Also, only systems running on x86 architecture with AMD processor and SVM virtualization extension enabled are affected.
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:A/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 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 | 0.70% (0.00697) | 51.30th | v5 (v2026.06.15) |
| Jun 15, 2026 | 0.69% (0.00691) | 47.80th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.22% (0.00225) | 43.11th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.15% (0.00147) | 52.12th | v3 (v2023.03.01) |
| Jun 14, 2024 | 0.15% (0.00147) | 50.81th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.15% (0.00147) | 48.81th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.02% (0.01018) | 40.69th | v2 (v2022.01.01) |
| Feb 13, 2023 | 1.02% (0.01018) | 40.16th | v2 (v2022.01.01) |
| Feb 3, 2023 | 1.11% (0.01108) | 54.42th | v2 (v2022.01.01) |
| Sep 10, 2022 | 1.02% (0.01018) | 38.88th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.02% (0.01018) | 36.86th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.02% (0.01018) | 19.50th | v2 (v2022.01.01) |
References (7)
- http://rhn.redhat.com/errata/RHSA-2011-1065.html vendor-advisoryx_refsource_REDHAT
- http://rhn.redhat.com/errata/RHSA-2011-1163.html vendor-advisoryx_refsource_REDHAT
- http://www.openwall.com/lists/oss-security/2011/07/07/3 mailing-listx_refsource_MLIST
- https://access.redhat.com/security/cve/CVE-2011-1780 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=702657 x_refsource_CONFIRMIssue Tracking
- https://nvd.nist.gov/vuln/detail/CVE-2011-1780
- https://www.cve.org/CVERecord?id=CVE-2011-1780
| Link | Providers | Tags |
|---|---|---|
| http://rhn.redhat.com/errata/RHSA-2011-1065.html | vendor-advisoryx_refsource_REDHAT | |
| http://rhn.redhat.com/errata/RHSA-2011-1163.html | vendor-advisoryx_refsource_REDHAT | |
| http://www.openwall.com/lists/oss-security/2011/07/07/3 | mailing-listx_refsource_MLIST | |
| https://access.redhat.com/security/cve/CVE-2011-1780 | Vendor Advisory | |
| https://bugzilla.redhat.com/show_bug.cgi?id=702657 | x_refsource_CONFIRMIssue Tracking | |
| https://nvd.nist.gov/vuln/detail/CVE-2011-1780 | ||
| https://www.cve.org/CVERecord?id=CVE-2011-1780 |
Change history (0)
No recorded changes yet.