CVE-2020-12888 json
The VFIO PCI driver in the Linux kernel through 5.6.13 mishandles attempts to access disabled memory space.
published 2020-05-15 6 y ago modified 2026-06-17 4 mo ago also EUVD-2020-5169
- cvss
- 5.3
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.4%
- EPSS 0.4% chance of exploitation in 30 days, percentile 34%
- public exploits
- 0
- none known
Summary
The VFIO PCI driver in the Linux kernel through 5.6.13 mishandles attempts to access disabled memory space.
Patch / fix
- linux Debian 14, Debian 13, Debian 12 5.8.7-1
debian advisories DEBIAN-CVE-2020-12888
- linux Ubuntu 18.04 LTS 4.15.0-118.119
- linux Ubuntu 20.04 LTS 5.4.0-48.52
- linux-aws Ubuntu 18.04 LTS 4.15.0-1083.87
- linux-aws Ubuntu 20.04 LTS 5.4.0-1025.25
- linux-gcp Ubuntu 16.04 LTS 4.15.0-1084.95~16.04.1
- linux-gcp Ubuntu 20.04 LTS 5.4.0-1025.25
- linux-hwe Ubuntu 16.04 LTS 4.15.0-118.119~16.04.1
- linux-kvm Ubuntu 18.04 LTS 4.15.0-1075.76
ubuntu advisories UBUNTU-CVE-2020-12888
Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0
- kernel-alt RHEL 7 4.14.0-115.26.1.el7a
- perf RHEL 7 4.14.0-115.26.1.el7a
- kernel RHEL 7 4.14.0-115.26.1.el7a
- python-perf RHEL 7 4.14.0-115.26.1.el7a
- kernel-tools RHEL 7 4.14.0-115.26.1.el7a
- kernel-tools-libs RHEL 7 4.14.0-115.26.1.el7a
- kernel-bootwrapper RHEL 7 4.14.0-115.26.1.el7a
- kernel-abi-whitelists RHEL 7 4.14.0-115.26.1.el7a
red hat advisories RHSA-2020:2854RHSA-2020:3019RHSA-2020:3222RHSA-2020:3230RHSA-2020:3041RHSA-2020:3016
- kernel-rt Real Time Module 15 SP1 4.12.14-14.28.1
- kernel-syms-rt Real Time Module 15 SP1 4.12.14-14.28.1
- kernel-rt_debug Real Time Module 15 SP1 4.12.14-14.28.1
- kernel-source-rt Real Time Module 15 SP1 4.12.14-14.28.1
- kernel-rt SLE Real Time 12 SP5 4.12.14-10.13.1
- kernel-syms-rt SLE Real Time 12 SP5 4.12.14-10.13.1
- kernel-rt_debug SLE Real Time 12 SP5 4.12.14-10.13.1
- kernel-source-rt SLE Real Time 12 SP5 4.12.14-10.13.1
suse advisories SUSE-SU-2020:2487-1SUSE-SU-2020:2478-1SUSE-SU-2020:2156-1SUSE-SU-2020:2122-1SUSE-SU-2020:2121-1SUSE-SU-2020:2119-1
- kernel-rt openSUSE Leap 15.2 5.3.18-lp152.3.5.1
- kernel-syms-rt openSUSE Leap 15.2 5.3.18-lp152.3.5.1
- kernel-rt_debug openSUSE Leap 15.2 5.3.18-lp152.3.5.1
- kernel-source-rt openSUSE Leap 15.2 5.3.18-lp152.3.5.1
- kernel-syms openSUSE Leap 15.1 4.12.14-lp151.28.59.1
- kernel-obs-qa openSUSE Leap 15.1 4.12.14-lp151.28.59.1
- kernel-source openSUSE Leap 15.1 4.12.14-lp151.28.59.1
- kernel-default openSUSE Leap 15.1 4.12.14-lp151.28.59.1
opensuse advisories openSUSE-SU-2021:0242-1openSUSE-SU-2020:1153-1openSUSE-SU-2020:0935-1
Vendor advisories
What the vendors themselves say about their products: affected, fixed or not affected, and what to do.
red hat product security vex CVE-2020-12888 updated cvss 5.3
Kernel: vfio: access to disabled MMIO space of some devices may lead to DoS scenario
-
Red Hat CodeReady Linux Builder (v. 8) kernel-debuginfo-common-x86_64 4.18.0-193.13.2.el8_2, kernel-debuginfo-common-aarch64 4.18.0-193.13.2.el8_2, kernel-debuginfo-common-ppc64le 4.18.0-193.13.2.el8_2fixed: vendor fix RHSA-2020:3010
-
Red Hat CodeReady Linux Builder EUS (v. 8.1) kernel-debuginfo-common-x86_64 4.18.0-147.24.2.el8_1, kernel-debuginfo-common-aarch64 4.18.0-147.24.2.el8_1, kernel-debuginfo-common-ppc64le 4.18.0-147.24.2.el8_1fixed: vendor fix RHSA-2020:3222
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Red Hat Enterprise Linux BaseOS (v. 8) perf 4.18.0-193.13.2.el8_2, kernel 4.18.0-193.13.2.el8_2, bpftool 4.18.0-193.13.2.el8_2, kernel-core 4.18.0-193.13.2.el8_2, kernel-tools 4.18.0-193.13.2.el8_2, python3-perf 4.18.0-193.13.2.el8_2, +15 morefixed: vendor fix RHSA-2020:3010
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Red Hat Enterprise Linux BaseOS E4S (v. 8.0) perf 4.18.0-80.27.1.el8_0, kernel 4.18.0-80.27.1.el8_0, bpftool 4.18.0-80.27.1.el8_0, kernel-core 4.18.0-80.27.1.el8_0, kernel-tools 4.18.0-80.27.1.el8_0, python3-perf 4.18.0-80.27.1.el8_0, +9 morefixed: vendor fix RHSA-2020:3041
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Red Hat Enterprise Linux BaseOS EUS (v. 8.1) perf 4.18.0-147.24.2.el8_1, kernel 4.18.0-147.24.2.el8_1, bpftool 4.18.0-147.24.2.el8_1, kernel-core 4.18.0-147.24.2.el8_1, kernel-tools 4.18.0-147.24.2.el8_1, python3-perf 4.18.0-147.24.2.el8_1, +15 morefixed: vendor fix RHSA-2020:3222
-
Red Hat Enterprise Linux Client (v. 7) perf 3.10.0-1127.13.1.el7, kernel 3.10.0-1127.13.1.el7, bpftool 3.10.0-1127.13.1.el7, python-perf 3.10.0-1127.13.1.el7, kernel-tools 3.10.0-1127.13.1.el7, kernel-tools-libs 3.10.0-1127.13.1.el7, +2 more Red Hat Enterprise Linux Client Optional (v. 7) kernel-debuginfo-common-x86_64 3.10.0-1127.13.1.el7 Red Hat Enterprise Linux ComputeNode (v. 7) perf 3.10.0-1127.13.1.el7, kernel 3.10.0-1127.13.1.el7, bpftool 3.10.0-1127.13.1.el7, python-perf 3.10.0-1127.13.1.el7, kernel-tools 3.10.0-1127.13.1.el7, kernel-tools-libs 3.10.0-1127.13.1.el7, +2 morefixed: vendor fix RHSA-2020:2664
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Red Hat Enterprise Linux ComputeNode EUS (v. 7.6) perf 3.10.0-957.56.1.el7, kernel 3.10.0-957.56.1.el7, bpftool 3.10.0-957.56.1.el7, python-perf 3.10.0-957.56.1.el7, kernel-tools 3.10.0-957.56.1.el7, kernel-tools-libs 3.10.0-957.56.1.el7, +2 morefixed: vendor fix RHSA-2020:2851
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Red Hat Enterprise Linux ComputeNode EUS (v. 7.7) perf 3.10.0-1062.30.1.el7, kernel 3.10.0-1062.30.1.el7, bpftool 3.10.0-1062.30.1.el7, python-perf 3.10.0-1062.30.1.el7, kernel-tools 3.10.0-1062.30.1.el7, kernel-tools-libs 3.10.0-1062.30.1.el7, +2 morefixed: vendor fix RHSA-2020:3019
show 28 moreshow fewer
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Red Hat Enterprise Linux ComputeNode Optional (v. 7) kernel-debuginfo-common-x86_64 3.10.0-1127.13.1.el7fixed: vendor fix RHSA-2020:2664
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Red Hat Enterprise Linux ComputeNode Optional EUS (v. 7.6) kernel-debuginfo-common-x86_64 3.10.0-957.56.1.el7fixed: vendor fix RHSA-2020:2851
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Red Hat Enterprise Linux ComputeNode Optional EUS (v. 7.7) kernel-debuginfo-common-x86_64 3.10.0-1062.30.1.el7fixed: vendor fix RHSA-2020:3019
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Red Hat Enterprise Linux for ARM and IBM Power LE (POWER9) Server (v. 7) perf 4.14.0-115.26.1.el7a, kernel 4.14.0-115.26.1.el7a, kernel-alt 4.14.0-115.26.1.el7a, python-perf 4.14.0-115.26.1.el7a, kernel-tools 4.14.0-115.26.1.el7a, kernel-tools-libs 4.14.0-115.26.1.el7a, +3 more Red Hat Enterprise Linux for ARM and IBM Power LE (POWER9) Server Optional (v. 7) kernel-debuginfo-common-ppc64le 4.14.0-115.26.1.el7afixed: vendor fix RHSA-2020:2854
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Red Hat Enterprise Linux for Real Time for NFV (v. 7) kernel-rt 3.10.0-1127.13.1.rt56.1110.el7, kernel-rt-kvm 3.10.0-1127.13.1.rt56.1110.el7, kernel-rt-trace 3.10.0-1127.13.1.rt56.1110.el7, kernel-rt-debug-kvm 3.10.0-1127.13.1.rt56.1110.el7, kernel-rt-trace-kvm 3.10.0-1127.13.1.rt56.1110.el7, kernel-rt-debuginfo-common-x86_64 3.10.0-1127.13.1.rt56.1110.el7fixed: vendor fix RHSA-2020:2665
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Red Hat Enterprise Linux Real Time (v. 8) kernel-rt 4.18.0-193.13.2.rt13.65.el8_2, kernel-rt-core 4.18.0-193.13.2.rt13.65.el8_2, kernel-rt-modules 4.18.0-193.13.2.rt13.65.el8_2, kernel-rt-debug-core 4.18.0-193.13.2.rt13.65.el8_2, kernel-rt-debug-modules 4.18.0-193.13.2.rt13.65.el8_2, kernel-rt-modules-extra 4.18.0-193.13.2.rt13.65.el8_2, +2 more Red Hat Enterprise Linux Real Time for NFV (v. 8) kernel-rt 4.18.0-193.13.2.rt13.65.el8_2, kernel-rt-kvm 4.18.0-193.13.2.rt13.65.el8_2, kernel-rt-core 4.18.0-193.13.2.rt13.65.el8_2, kernel-rt-modules 4.18.0-193.13.2.rt13.65.el8_2, kernel-rt-debug-kvm 4.18.0-193.13.2.rt13.65.el8_2, kernel-rt-debug-core 4.18.0-193.13.2.rt13.65.el8_2, +4 morefixed: vendor fix RHSA-2020:3016
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Red Hat Enterprise Linux Realtime (v. 7) kernel-rt 3.10.0-1127.13.1.rt56.1110.el7, kernel-rt-trace 3.10.0-1127.13.1.rt56.1110.el7, kernel-rt-debuginfo-common-x86_64 3.10.0-1127.13.1.rt56.1110.el7fixed: vendor fix RHSA-2020:2665
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Red Hat Enterprise Linux Server (v. 7) perf 3.10.0-1127.13.1.el7, kernel 3.10.0-1127.13.1.el7, bpftool 3.10.0-1127.13.1.el7, python-perf 3.10.0-1127.13.1.el7, kernel-kdump 3.10.0-1127.13.1.el7, kernel-tools 3.10.0-1127.13.1.el7, +7 morefixed: vendor fix RHSA-2020:2664
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Red Hat Enterprise Linux Server AUS (v. 7.2) perf 3.10.0-327.89.1.el7, kernel 3.10.0-327.89.1.el7, python-perf 3.10.0-327.89.1.el7, kernel-tools 3.10.0-327.89.1.el7, kernel-tools-libs 3.10.0-327.89.1.el7, kernel-abi-whitelists 3.10.0-327.89.1.el7, +1 morefixed: vendor fix RHSA-2020:2831
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Red Hat Enterprise Linux Server AUS (v. 7.3) perf 3.10.0-514.78.1.el7, kernel 3.10.0-514.78.1.el7, python-perf 3.10.0-514.78.1.el7, kernel-tools 3.10.0-514.78.1.el7, kernel-tools-libs 3.10.0-514.78.1.el7, kernel-abi-whitelists 3.10.0-514.78.1.el7, +1 morefixed: vendor fix RHSA-2020:2832
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Red Hat Enterprise Linux Server AUS (v. 7.4) perf 3.10.0-693.71.2.el7, kernel 3.10.0-693.71.2.el7, python-perf 3.10.0-693.71.2.el7, kernel-tools 3.10.0-693.71.2.el7, kernel-tools-libs 3.10.0-693.71.2.el7, kernel-abi-whitelists 3.10.0-693.71.2.el7, +1 morefixed: vendor fix RHSA-2020:3230
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Red Hat Enterprise Linux Server E4S (v. 7.3) perf 3.10.0-514.78.1.el7, kernel 3.10.0-514.78.1.el7, python-perf 3.10.0-514.78.1.el7, kernel-tools 3.10.0-514.78.1.el7, kernel-tools-libs 3.10.0-514.78.1.el7, kernel-bootwrapper 3.10.0-514.78.1.el7, +3 morefixed: vendor fix RHSA-2020:2832
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Red Hat Enterprise Linux Server E4S (v. 7.4) perf 3.10.0-693.71.2.el7, kernel 3.10.0-693.71.2.el7, python-perf 3.10.0-693.71.2.el7, kernel-tools 3.10.0-693.71.2.el7, kernel-tools-libs 3.10.0-693.71.2.el7, kernel-bootwrapper 3.10.0-693.71.2.el7, +3 morefixed: vendor fix RHSA-2020:3230
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Red Hat Enterprise Linux Server EUS (v. 7.6) perf 3.10.0-957.56.1.el7, kernel 3.10.0-957.56.1.el7, bpftool 3.10.0-957.56.1.el7, python-perf 3.10.0-957.56.1.el7, kernel-kdump 3.10.0-957.56.1.el7, kernel-tools 3.10.0-957.56.1.el7, +7 morefixed: vendor fix RHSA-2020:2851
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Red Hat Enterprise Linux Server EUS (v. 7.7) perf 3.10.0-1062.30.1.el7, kernel 3.10.0-1062.30.1.el7, bpftool 3.10.0-1062.30.1.el7, python-perf 3.10.0-1062.30.1.el7, kernel-kdump 3.10.0-1062.30.1.el7, kernel-tools 3.10.0-1062.30.1.el7, +7 morefixed: vendor fix RHSA-2020:3019
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Red Hat Enterprise Linux Server Optional (v. 7) kernel-debuginfo-common-ppc64 3.10.0-1127.13.1.el7, kernel-debuginfo-common-x86_64 3.10.0-1127.13.1.el7, kernel-debuginfo-common-ppc64le 3.10.0-1127.13.1.el7fixed: vendor fix RHSA-2020:2664
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Red Hat Enterprise Linux Server Optional AUS (v. 7.2) kernel-debuginfo-common-x86_64 3.10.0-327.89.1.el7fixed: vendor fix RHSA-2020:2831
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Red Hat Enterprise Linux Server Optional AUS (v. 7.3) kernel-debuginfo-common-x86_64 3.10.0-514.78.1.el7fixed: vendor fix RHSA-2020:2832
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Red Hat Enterprise Linux Server Optional AUS (v. 7.4) kernel-debuginfo-common-x86_64 3.10.0-693.71.2.el7fixed: vendor fix RHSA-2020:3230
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Red Hat Enterprise Linux Server Optional E4S (v. 7.3) kernel-debuginfo-common-x86_64 3.10.0-514.78.1.el7, kernel-debuginfo-common-ppc64le 3.10.0-514.78.1.el7fixed: vendor fix RHSA-2020:2832
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Red Hat Enterprise Linux Server Optional E4S (v. 7.4) kernel-debuginfo-common-x86_64 3.10.0-693.71.2.el7, kernel-debuginfo-common-ppc64le 3.10.0-693.71.2.el7fixed: vendor fix RHSA-2020:3230
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Red Hat Enterprise Linux Server Optional EUS (v. 7.6) kernel-debuginfo-common-ppc64 3.10.0-957.56.1.el7, kernel-debuginfo-common-x86_64 3.10.0-957.56.1.el7, kernel-debuginfo-common-ppc64le 3.10.0-957.56.1.el7fixed: vendor fix RHSA-2020:2851
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Red Hat Enterprise Linux Server Optional EUS (v. 7.7) kernel-debuginfo-common-ppc64 3.10.0-1062.30.1.el7, kernel-debuginfo-common-x86_64 3.10.0-1062.30.1.el7, kernel-debuginfo-common-ppc64le 3.10.0-1062.30.1.el7fixed: vendor fix RHSA-2020:3019
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Red Hat Enterprise Linux Server Optional TUS (v. 7.3) kernel-debuginfo-common-x86_64 3.10.0-514.78.1.el7fixed: vendor fix RHSA-2020:2832
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Red Hat Enterprise Linux Server Optional TUS (v. 7.4) kernel-debuginfo-common-x86_64 3.10.0-693.71.2.el7fixed: vendor fix RHSA-2020:3230
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Red Hat Enterprise Linux Server TUS (v. 7.3) perf 3.10.0-514.78.1.el7, kernel 3.10.0-514.78.1.el7, python-perf 3.10.0-514.78.1.el7, kernel-tools 3.10.0-514.78.1.el7, kernel-tools-libs 3.10.0-514.78.1.el7, kernel-abi-whitelists 3.10.0-514.78.1.el7, +1 morefixed: vendor fix RHSA-2020:2832
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Red Hat Enterprise Linux Server TUS (v. 7.4) perf 3.10.0-693.71.2.el7, kernel 3.10.0-693.71.2.el7, python-perf 3.10.0-693.71.2.el7, kernel-tools 3.10.0-693.71.2.el7, kernel-tools-libs 3.10.0-693.71.2.el7, kernel-abi-whitelists 3.10.0-693.71.2.el7, +1 morefixed: vendor fix RHSA-2020:3230
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Red Hat Enterprise Linux Workstation (v. 7) perf 3.10.0-1127.13.1.el7, kernel 3.10.0-1127.13.1.el7, bpftool 3.10.0-1127.13.1.el7, python-perf 3.10.0-1127.13.1.el7, kernel-tools 3.10.0-1127.13.1.el7, kernel-tools-libs 3.10.0-1127.13.1.el7, +2 morefixed: vendor fix RHSA-2020:2664
2 more fixed, 21 more not affected in the full advisory
Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf
Exploit prediction
0.40% chance of exploitation in the next 30 days, higher than 34% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 5.3 | CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:N/I:N/A:H |
| NVD | 2.0 | 4.7 | AV:L/AC:M/Au:N/C:N/I:N/A:C |
Classification
- Weakness
-
- CWE-755 Improper Handling of Exceptional Conditions
- Technology feeds
References
-
lists.fedoraproject.org
/archives/list/package-announce%40lists.fedoraproject.org/message/NXGMJHWTMQI34NJZ4BHL3ZVF264AWBF2/
vendor-advisory
-
lists.fedoraproject.org
/archives/list/package-announce%40lists.fedoraproject.org/message/CBEHRQQZTKJTPQFPY3JAO7MQ4JAFEQNW/
vendor-advisory
-
lists.opensuse.org
/opensuse-security-announce/2020-07/msg00008.html
vendor-advisory, mailing-list, third-party-advisory
-
lists.opensuse.org
/opensuse-security-announce/2020-08/msg00009.html
vendor-advisory, mailing-list, third-party-advisory
-
usn.ubuntu.com
/4526-1/
vendor-advisory, third-party-advisory
-
usn.ubuntu.com
/4525-1/
vendor-advisory, third-party-advisory
- lore.kernel.org /kvm/158871570274.15589.10563806532874116326.stgit%40gimli.home/
- lore.kernel.org /kvm/158871401328.15589.17598154478222071285.stgit%40gimli.home/
-
openwall.com
/lists/oss-security/2020/05/19/6
mailing-list, third-party-advisory
-
security.netapp.com
/advisory/ntap-20200608-0001/
third-party-advisory
-
lists.debian.org
/debian-lts-announce/2020/09/msg00025.html
mailing-list, third-party-advisory
-
lists.debian.org
/debian-lts-announce/2020/10/msg00032.html
mailing-list, third-party-advisory
-
lists.debian.org
/debian-lts-announce/2020/10/msg00034.html
mailing-list, third-party-advisory
Sources
- CVE List CVE-2020-12888
- NVD CVE-2020-12888
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.