kernel: kvm: stack-based out-of-bounds read via vmcall instruction
Published Dec 18, 2017
6.5
MEDIUMCVSS 3.0
EPSS 0.47%
Description
The KVM implementation in the Linux kernel through 4.14.7 allows attackers to obtain potentially sensitive information from kernel memory, aka a write_mmio stack-based out-of-bounds read, related to arch/x86/kvm/x86.c and include/trace/events/kvm.h.
Affected products
No data.
Configuration 1
- ≤ 4.14.7
Configuration 2
- 9.0
No data.
Red Hat Enterprise Linux 5
kernel
Not affected
Red Hat Enterprise Linux 6
kernel
Will not fix
Red Hat Enterprise Linux 7
kernel
Will not fix
Red Hat Enterprise Linux 7
kernel-alt
Will not fix
Red Hat Enterprise Linux 7
kernel-rt
Will not fix
Red Hat Enterprise Linux 8
kernel
Not affected
Red Hat Enterprise MRG 2
realtime-kernel
Not affected
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 5 | kernel | Not affected | n/a |
| Red Hat Enterprise Linux 6 | kernel | Will not fix | n/a |
| Red Hat Enterprise Linux 7 | kernel | Will not fix | n/a |
| Red Hat Enterprise Linux 7 | kernel-alt | Will not fix | n/a |
| Red Hat Enterprise Linux 7 | kernel-rt | Will not fix | n/a |
| Red Hat Enterprise Linux 8 | 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 does not affect the versions of the kernel package as shipped with Red Hat Enterprise Linux 5 and Red Hat Enterprise MRG 2. This issue affects the versions of Linux kernel as shipped with Red Hat Enterprise Linux 6 and 7. This has been rated as having Low 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.
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N
1 other source (Red Hat) ▾
CVSS:3.0/AV:A/AC:L/PR:L/UI:N/S:C/C:L/I:N/A:N
AV:L/AC:L/Au:N/C:P/I:N/A:N
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
2021–2026- EPSS v1
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v1
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (14 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 0.47% (0.00470) | 38.33th | v5 (v2026.06.15) |
| Jun 15, 2026 | 0.45% (0.00451) | 35.64th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.07% (0.00070) | 18.70th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.06% (0.00062) | 28.22th | v3 (v2023.03.01) |
| Jun 11, 2024 | 0.06% (0.00062) | 26.21th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.06% (0.00062) | 24.20th | 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) |
| Feb 3, 2022 | 2.88% (0.02880) | 63.65th | v1 |
| Jan 6, 2022 | 2.88% (0.02880) | 63.31th | v1 |
| Sep 1, 2021 | 2.88% (0.02880) | 80.71th | v1 |
| Apr 14, 2021 | 2.88% (0.02880) | 0.00th | v1 |
References (17)
- http://www.securityfocus.com/bid/102227 vdb-entryx_refsource_BID
- https://access.redhat.com/security/cve/CVE-2017-17741 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1527112 Issue Tracking
- https://lists.debian.org/debian-lts-announce/2018/01/msg00004.html mailing-listx_refsource_MLIST
- https://nvd.nist.gov/vuln/detail/CVE-2017-17741
- https://usn.ubuntu.com/3617-1/ vendor-advisoryx_refsource_UBUNTU
- https://usn.ubuntu.com/3617-2/ vendor-advisoryx_refsource_UBUNTU
- https://usn.ubuntu.com/3617-3/ vendor-advisoryx_refsource_UBUNTU
- https://usn.ubuntu.com/3619-1/ vendor-advisoryx_refsource_UBUNTU
- https://usn.ubuntu.com/3619-2/ vendor-advisoryx_refsource_UBUNTU
- https://usn.ubuntu.com/3620-1/ vendor-advisoryx_refsource_UBUNTU
- https://usn.ubuntu.com/3620-2/ vendor-advisoryx_refsource_UBUNTU
- https://usn.ubuntu.com/3632-1/ vendor-advisoryx_refsource_UBUNTU
- https://www.cve.org/CVERecord?id=CVE-2017-17741
- https://www.debian.org/security/2017/dsa-4073 vendor-advisoryx_refsource_DEBIANIssue TrackingThird Party Advisory
- https://www.debian.org/security/2018/dsa-4082 vendor-advisoryx_refsource_DEBIAN
- https://www.spinics.net/lists/kvm/msg160796.html x_refsource_MISCIssue TrackingPatchThird Party Advisory
Change history (0)
No recorded changes yet.