kernel: kvm: reporting emulation failures to userspace
Published Nov 30, 2014
4.9
MEDIUMCVSS 2.0
EPSS 0.33%
Description
Race condition in arch/x86/kvm/x86.c in the Linux kernel before 2.6.38 allows L2 guest OS users to cause a denial of service (L1 guest OS crash) via a crafted instruction that triggers an L2 emulation failure report, a similar issue to CVE-2014-7842.
Affected products
No data.
- ≤ 2.6.37
No data.
Red Hat Enterprise Linux 6
kernel-0:2.6.32-642.el6
Fixed · RHSA-2016:0855
Red Hat Enterprise Linux 7
kernel-0:3.10.0-327.el7
Fixed · RHSA-2015:2152
Red Hat Enterprise Linux 5
kernel
Not affected
Red Hat Enterprise Linux 7
kernel-rt
Not affected
Red Hat Enterprise MRG 2
realtime-kernel
Not affected
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 6 | kernel-0:2.6.32-642.el6 | Fixed | RHSA-2016:0855 |
| Red Hat Enterprise Linux 7 | kernel-0:3.10.0-327.el7 | Fixed | RHSA-2015:2152 |
| Red Hat Enterprise Linux 5 | kernel | Not affected | n/a |
| Red Hat Enterprise Linux 7 | kernel-rt | Not affected | n/a |
| Red Hat Enterprise MRG 2 | realtime-kernel | Not affected | n/a |
No package ranges for this CVE.
Remediation
Red Hat statement
This issue did not affect the kvm 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: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 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 | 0.33% (0.00325) | 23.17th | v5 (v2026.06.15) |
| Jun 15, 2026 | 0.33% (0.00325) | 23.99th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.07% (0.00068) | 18.17th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.06% (0.00062) | 28.60th | v3 (v2023.03.01) |
| Jun 13, 2024 | 0.06% (0.00062) | 26.61th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.06% (0.00062) | 24.59th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.28% (0.01282) | 68.34th | v2 (v2022.01.01) |
| Feb 22, 2023 | 1.28% (0.01282) | 68.05th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.28% (0.01282) | 65.91th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.28% (0.01282) | 41.72th | v2 (v2022.01.01) |
References (14)
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=fc3a9157d3148ab91039c75423da8ef97be3e105 x_refsource_CONFIRM
- http://lists.opensuse.org/opensuse-security-announce/2015-04/msg00000.html vendor-advisoryx_refsource_SUSE
- http://mirror.linux.org.au/linux/kernel/v2.6/ChangeLog-2.6.38 x_refsource_CONFIRMVendor Advisory
- http://rhn.redhat.com/errata/RHSA-2016-0855.html vendor-advisoryx_refsource_REDHAT
- http://www.openwall.com/lists/oss-security/2014/11/13/7 mailing-listx_refsource_MLISTPatchVendor Advisory
- http://www.oracle.com/technetwork/topics/security/linuxbulletinapr2016-2952096.html x_refsource_CONFIRM
- http://www.oracle.com/technetwork/topics/security/linuxbulletinjan2016-2867209.html x_refsource_CONFIRM
- http://www.oracle.com/technetwork/topics/security/linuxbulletinoct2015-2719645.html x_refsource_CONFIRM
- http://www.securityfocus.com/bid/71363 vdb-entryx_refsource_BID
- https://access.redhat.com/security/cve/CVE-2010-5313 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1163762 x_refsource_CONFIRMIssue Tracking
- https://github.com/torvalds/linux/commit/fc3a9157d3148ab91039c75423da8ef97be3e105 x_refsource_CONFIRMPatchVendor Advisory
- https://nvd.nist.gov/vuln/detail/CVE-2010-5313
- https://www.cve.org/CVERecord?id=CVE-2010-5313
Change history (0)
No recorded changes yet.