kvm: division by zero in apic_get_tmcct()
Published Dec 14, 2013
5.7
MEDIUMCVSS 2.0
EPSS 1.45%
Description
The apic_get_tmcct function in arch/x86/kvm/lapic.c in the KVM subsystem in the Linux kernel through 3.12.5 allows guest OS users to cause a denial of service (divide-by-zero error and host OS crash) via crafted modifications of the TMICT value.
Affected products
No data.
- ≤ 3.12.5
- 3.0
- 3.0
- 3.0
- 3.0
- 3.0
- 3.0
- 3.0
- 3.0.1
- 3.0.2
- 3.0.3
- 3.0.4
- 3.0.5
- 3.0.6
- 3.0.7
- 3.0.8
- 3.0.9
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- 3.0.11
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- 3.0.18
- 3.0.19
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- 3.0.25
- 3.0.26
- 3.0.27
- 3.0.28
- 3.0.29
- 3.0.30
- 3.0.31
- 3.0.32
- 3.0.33
- 3.0.34
- 3.0.35
- 3.0.36
- 3.0.37
- 3.0.38
- 3.0.39
- 3.0.40
- 3.0.41
- 3.0.42
- 3.0.43
- 3.0.44
- 3.0.45
- 3.0.46
- 3.0.47
- 3.0.48
- 3.0.49
- 3.0.50
- 3.0.51
- 3.0.52
- 3.0.53
- 3.0.54
- 3.0.55
- 3.0.56
- 3.0.57
- 3.0.58
- 3.0.59
- 3.0.60
- 3.0.61
- 3.0.62
- 3.0.63
- 3.0.64
- 3.0.65
- 3.0.66
- 3.0.67
- 3.0.68
- 3.1
- 3.1
- 3.1
- 3.1
- 3.1
- 3.1.1
- 3.1.2
- 3.1.3
- 3.1.4
- 3.1.5
- 3.1.6
- 3.1.7
- 3.1.8
- 3.1.9
- 3.1.10
- 3.2
- 3.2
- 3.2
- 3.2
- 3.2
- 3.2
- 3.2
- 3.2.1
- 3.2.2
- 3.2.3
- 3.2.4
- 3.2.5
- 3.2.6
- 3.2.7
- 3.2.8
- 3.2.9
- 3.2.10
- 3.2.11
- 3.2.12
- 3.2.13
- 3.2.14
- 3.2.15
- 3.2.16
- 3.2.17
- 3.2.18
- 3.2.19
- 3.2.20
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- 3.2.22
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- 3.2.24
- 3.2.25
- 3.2.26
- 3.2.27
- 3.2.28
- 3.2.29
- 3.2.30
- 3.3
- 3.3
- 3.3
- 3.3
- 3.3
- 3.3
- 3.3
- 3.3
- 3.3.1
- 3.3.2
- 3.3.3
- 3.3.4
- 3.3.5
- 3.3.6
- 3.3.7
- 3.3.8
- 3.4
- 3.4
- 3.4
- 3.4
- 3.4
- 3.4
- 3.4
- 3.4
- 3.4.1
- 3.4.2
- 3.4.3
- 3.4.4
- 3.4.5
- 3.4.6
- 3.4.7
- 3.4.8
- 3.4.9
- 3.4.10
- 3.4.11
- 3.4.12
- 3.4.13
- 3.4.14
- 3.4.15
- 3.4.16
- 3.4.17
- 3.4.18
- 3.4.19
- 3.4.20
- 3.4.21
- 3.4.22
- 3.4.23
- 3.4.24
- 3.4.25
- 3.4.26
- 3.4.27
- 3.4.28
- 3.4.29
- 3.4.30
- 3.4.31
- 3.4.32
- 3.5.1
- 3.5.2
- 3.5.3
- 3.5.4
- 3.5.5
- 3.5.6
- 3.5.7
- 3.6
- 3.6.1
- 3.6.2
- 3.6.3
- 3.6.4
- 3.6.5
- 3.6.6
- 3.6.7
- 3.6.8
- 3.6.9
- 3.6.10
- 3.6.11
- 3.7
- 3.7.1
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- 3.7.3
- 3.7.4
- 3.7.5
- 3.7.6
- 3.7.7
- 3.7.8
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- 3.8.0
- 3.8.1
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- 3.8.3
- 3.8.4
- 3.8.5
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- 3.8.7
- 3.8.8
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- 3.8.11
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- 3.8.13
- 3.9
- 3.9
- 3.9
- 3.9
- 3.9
- 3.9
- 3.9
- 3.9.0
- 3.9.1
- 3.9.2
- 3.9.3
- 3.9.4
- 3.9.5
- 3.9.6
- 3.9.7
- 3.9.8
- 3.9.9
- 3.9.10
- 3.9.11
- 3.10
- 3.10.1
- 3.10.2
- 3.10.3
- 3.10.4
- 3.10.5
- 3.10.6
- 3.10.7
- 3.10.8
- 3.10.9
- 3.10.10
- 3.10.11
- 3.10.12
- 3.10.13
- 3.10.14
- 3.10.15
- 3.10.16
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- 3.10.20
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- 3.10.24
- 3.10.25
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- 3.10.27
- 3.10.28
- 3.10.29
- 3.11
- 3.11.1
- 3.11.2
- 3.11.3
- 3.11.4
- 3.11.5
- 3.11.6
- 3.11.7
- 3.11.8
- 3.11.9
- 3.11.10
- 3.12
- 3.12.1
- 3.12.2
- 3.12.3
- 3.12.4
No data.
RHEV 3.X Hypervisor and Agents for RHEL-6
rhev-hypervisor6-0:6.5-20131204.0.3.2.el6_5
Fixed · RHSA-2013:1802
Red Hat Enterprise Linux 5
kvm-0:83-266.el5_10.1
Fixed · RHSA-2014:0163
Red Hat Enterprise Linux 6
kernel-0:2.6.32-431.1.2.el6
Fixed · RHSA-2013:1801
Red Hat Enterprise Linux 6.4 Extended Update Support
kernel-0:2.6.32-358.37.1.el6
Fixed · RHSA-2014:0284
Red Hat Enterprise Linux 5
kernel
Not affected
Red Hat Enterprise Linux 5
kvm
Affected
Red Hat Enterprise Linux 7
kernel
Not affected
Red Hat Enterprise MRG 2
realtime-kernel
Not affected
| Product | Package | State | Advisory |
|---|---|---|---|
| RHEV 3.X Hypervisor and Agents for RHEL-6 | rhev-hypervisor6-0:6.5-20131204.0.3.2.el6_5 | Fixed | RHSA-2013:1802 |
| Red Hat Enterprise Linux 5 | kvm-0:83-266.el5_10.1 | Fixed | RHSA-2014:0163 |
| Red Hat Enterprise Linux 6 | kernel-0:2.6.32-431.1.2.el6 | Fixed | RHSA-2013:1801 |
| Red Hat Enterprise Linux 6.4 Extended Update Support | kernel-0:2.6.32-358.37.1.el6 | Fixed | RHSA-2014:0284 |
| Red Hat Enterprise Linux 5 | kernel | Not affected | n/a |
| Red Hat Enterprise Linux 5 | kvm | Affected | n/a |
| Red Hat Enterprise Linux 7 | kernel | 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 versions of Linux kernel as shipped with Red Hat Enterprise MRG 2 as they did not provide support for the KVM subsystem.
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: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 (10 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 1.45% (0.01446) | 72.36th | v5 (v2026.06.15) |
| Jun 15, 2026 | 1.46% (0.01458) | 70.04th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.72% (0.00722) | 70.84th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.28% (0.00277) | 69.06th | v3 (v2023.03.01) |
| Feb 8, 2024 | 0.28% (0.00277) | 67.29th | v3 (v2023.03.01) |
| Jun 10, 2023 | 0.28% (0.00277) | 63.61th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.26% (0.00264) | 62.25th | v3 (v2023.03.01) |
| Mar 6, 2023 | 2.69% (0.02686) | 82.85th | v2 (v2022.01.01) |
| Apr 1, 2022 | 2.69% (0.02686) | 81.17th | v2 (v2022.01.01) |
| Feb 4, 2022 | 2.69% (0.02686) | 62.66th | v2 (v2022.01.01) |
References (26)
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=b963a22e6d1a266a67e9eecc88134713fd54775c x_refsource_CONFIRM
- http://lists.opensuse.org/opensuse-security-announce/2014-02/msg00002.html vendor-advisoryx_refsource_SUSE
- http://lists.opensuse.org/opensuse-security-announce/2014-02/msg00003.html vendor-advisoryx_refsource_SUSE
- http://lists.opensuse.org/opensuse-updates/2014-02/msg00045.html vendor-advisoryx_refsource_SUSE
- http://rhn.redhat.com/errata/RHSA-2013-1801.html vendor-advisoryx_refsource_REDHAT
- http://rhn.redhat.com/errata/RHSA-2014-0163.html vendor-advisoryx_refsource_REDHAT
- http://rhn.redhat.com/errata/RHSA-2014-0284.html vendor-advisoryx_refsource_REDHAT
- http://www.openwall.com/lists/oss-security/2013/12/12/12 mailing-listx_refsource_MLIST
- http://www.securityfocus.com/bid/64270 vdb-entryx_refsource_BID
- http://www.ubuntu.com/usn/USN-2109-1 vendor-advisoryx_refsource_UBUNTU
- http://www.ubuntu.com/usn/USN-2110-1 vendor-advisoryx_refsource_UBUNTU
- http://www.ubuntu.com/usn/USN-2113-1 vendor-advisoryx_refsource_UBUNTU
- http://www.ubuntu.com/usn/USN-2117-1 vendor-advisoryx_refsource_UBUNTU
- http://www.ubuntu.com/usn/USN-2128-1 vendor-advisoryx_refsource_UBUNTU
- http://www.ubuntu.com/usn/USN-2129-1 vendor-advisoryx_refsource_UBUNTU
- http://www.ubuntu.com/usn/USN-2135-1 vendor-advisoryx_refsource_UBUNTU
- http://www.ubuntu.com/usn/USN-2136-1 vendor-advisoryx_refsource_UBUNTU
- http://www.ubuntu.com/usn/USN-2138-1 vendor-advisoryx_refsource_UBUNTU
- http://www.ubuntu.com/usn/USN-2139-1 vendor-advisoryx_refsource_UBUNTU
- http://www.ubuntu.com/usn/USN-2141-1 vendor-advisoryx_refsource_UBUNTU
- https://access.redhat.com/security/cve/CVE-2013-6367 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1032207 x_refsource_CONFIRMIssue Tracking
- https://github.com/torvalds/linux/commit/b963a22e6d1a266a67e9eecc88134713fd54775c x_refsource_CONFIRMExploitPatch
- https://nvd.nist.gov/vuln/detail/CVE-2013-6367
- https://www.cve.org/CVERecord?id=CVE-2013-6367
- https://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.2.54 x_refsource_CONFIRM
Change history (0)
No recorded changes yet.