Qemu: ps2: information leakage via post_load routine
Published Nov 17, 2017
10.0
CRITICALCVSS 3.1
EPSS 2.94%
Description
hw/input/ps2.c in Qemu does not validate 'rptr' and 'count' values during guest migration, leading to out-of-bounds access.
Affected products
No data.
Configuration 2
- 8.0
- 9.0
Configuration 3
- 14.04
- 16.04
- 17.10
- 18.04
No data.
Red Hat Enterprise Linux 5
kvm
Not affected
Red Hat Enterprise Linux 5
xen
Not affected
Red Hat Enterprise Linux 6
qemu-kvm
Not affected
Red Hat Enterprise Linux 7
qemu-kvm
Not affected
Red Hat Enterprise Linux 7
qemu-kvm-rhev
Will not fix
Red Hat Enterprise Linux OpenStack Platform 6 (Juno)
qemu-kvm-rhev
Will not fix
Red Hat Enterprise Linux OpenStack Platform 7 (Kilo)
qemu-kvm-rhev
Will not fix
Red Hat OpenStack Platform 10 (Newton)
qemu-kvm-rhev
Will not fix
Red Hat OpenStack Platform 11 (Ocata)
qemu-kvm-rhev
Will not fix
Red Hat OpenStack Platform 8 (Liberty)
qemu-kvm-rhev
Will not fix
Red Hat OpenStack Platform 9 (Mitaka)
qemu-kvm-rhev
Will not fix
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 5 | kvm | Not affected | n/a |
| Red Hat Enterprise Linux 5 | xen | Not affected | n/a |
| Red Hat Enterprise Linux 6 | qemu-kvm | Not affected | n/a |
| Red Hat Enterprise Linux 7 | qemu-kvm | Not affected | n/a |
| Red Hat Enterprise Linux 7 | qemu-kvm-rhev | Will not fix | n/a |
| Red Hat Enterprise Linux OpenStack Platform 6 (Juno) | qemu-kvm-rhev | Will not fix | n/a |
| Red Hat Enterprise Linux OpenStack Platform 7 (Kilo) | qemu-kvm-rhev | Will not fix | n/a |
| Red Hat OpenStack Platform 10 (Newton) | qemu-kvm-rhev | Will not fix | n/a |
| Red Hat OpenStack Platform 11 (Ocata) | qemu-kvm-rhev | Will not fix | n/a |
| Red Hat OpenStack Platform 8 (Liberty) | qemu-kvm-rhev | Will not fix | n/a |
| Red Hat OpenStack Platform 9 (Mitaka) | qemu-kvm-rhev | Will not fix | n/a |
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:H
CVSS:3.0/AV:N/AC:H/PR:H/UI:N/S:U/C:L/I:L/A:N
AV:N/AC:L/Au:N/C:P/I:N/A:P
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 (22 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 2.94% (0.02943) | 86.66th | v5 (v2026.06.15) |
| Jun 15, 2026 | 3.02% (0.03025) | 85.69th | v5 (v2026.06.15) |
| May 21, 2025 | 2.18% (0.02184) | 83.52th | v4 (v2025.03.14) |
| Mar 30, 2025 | 0.99% (0.00992) | 74.87th | v4 (v2025.03.14) |
| Mar 29, 2025 | 2.63% (0.02632) | 76.13th | v4 (v2025.03.14) |
| Mar 17, 2025 | 0.99% (0.00992) | 75.33th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.45% (0.00452) | 75.98th | v3 (v2023.03.01) |
| Feb 8, 2024 | 0.45% (0.00452) | 74.41th | v3 (v2023.03.01) |
| Jul 7, 2023 | 0.45% (0.00452) | 71.68th | v3 (v2023.03.01) |
| Jun 13, 2023 | 0.48% (0.00483) | 72.47th | v3 (v2023.03.01) |
| May 20, 2023 | 0.61% (0.00615) | 75.66th | v3 (v2023.03.01) |
| May 8, 2023 | 0.55% (0.00549) | 74.06th | v3 (v2023.03.01) |
| Apr 10, 2023 | 1.00% (0.00995) | 81.31th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.84% (0.00843) | 79.55th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.11% (0.01108) | 55.18th | v2 (v2022.01.01) |
| Sep 17, 2022 | 1.11% (0.01108) | 53.57th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.11% (0.01108) | 51.54th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.11% (0.01108) | 29.61th | v2 (v2022.01.01) |
| Feb 3, 2022 | 1.45% (0.01454) | 32.67th | v1 |
| Jan 6, 2022 | 1.45% (0.01454) | 31.96th | v1 |
| Sep 1, 2021 | 1.45% (0.01454) | 71.88th | v1 |
| Apr 14, 2021 | 1.45% (0.01454) | 0.00th | v1 |
References (10)
- http://www.securityfocus.com/bid/101923 vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry
- https://access.redhat.com/security/cve/CVE-2017-16845 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1514148 Issue Tracking
- https://lists.debian.org/debian-lts-announce/2018/09/msg00007.html mailing-listx_refsource_MLISTMailing ListThird Party Advisory
- https://lists.gnu.org/archive/html/qemu-devel/2017-11/msg02982.html mailing-listx_refsource_MLISTMailing ListPatchThird Party Advisory
- https://nvd.nist.gov/vuln/detail/CVE-2017-16845
- https://usn.ubuntu.com/3575-1/ vendor-advisoryx_refsource_UBUNTUThird Party Advisory
- https://usn.ubuntu.com/3649-1/ vendor-advisoryx_refsource_UBUNTUThird Party Advisory
- https://www.cve.org/CVERecord?id=CVE-2017-16845
- https://www.debian.org/security/2018/dsa-4213 vendor-advisoryx_refsource_DEBIANThird Party Advisory
| Link | Providers | Tags |
|---|---|---|
| http://www.securityfocus.com/bid/101923 | vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry | |
| https://access.redhat.com/security/cve/CVE-2017-16845 | Vendor Advisory | |
| https://bugzilla.redhat.com/show_bug.cgi?id=1514148 | Issue Tracking | |
| https://lists.debian.org/debian-lts-announce/2018/09/msg00007.html | mailing-listx_refsource_MLISTMailing ListThird Party Advisory | |
| https://lists.gnu.org/archive/html/qemu-devel/2017-11/msg02982.html | mailing-listx_refsource_MLISTMailing ListPatchThird Party Advisory | |
| https://nvd.nist.gov/vuln/detail/CVE-2017-16845 | ||
| https://usn.ubuntu.com/3575-1/ | vendor-advisoryx_refsource_UBUNTUThird Party Advisory | |
| https://usn.ubuntu.com/3649-1/ | vendor-advisoryx_refsource_UBUNTUThird Party Advisory | |
| https://www.cve.org/CVERecord?id=CVE-2017-16845 | ||
| https://www.debian.org/security/2018/dsa-4213 | vendor-advisoryx_refsource_DEBIANThird Party Advisory |
Change history (0)
No recorded changes yet.