Description
The VFIO PCI driver in the Linux kernel through 5.6.13 mishandles attempts to access disabled memory space.
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 14 | linux | 5.8.7-1 | — |
| Debian 13 | linux | 5.8.7-1 | — |
| Debian 12 | linux | 5.8.7-1 | — |
| Debian 9 | linux | 4.9.240-1 | DLA-2420-1 |
| Debian 9 | linux-4.19 | 4.19.146-1~deb9u1 | DLA-2385-1 |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 24.04 LTS | linux-raspi-realtime | No fix yet | — |
| Ubuntu 22.04 LTS | linux-realtime +1 | No fix yet | — |
| Ubuntu 20.04 LTS | linux | 5.4.0-48.52 | USN-4525-1 |
| Ubuntu 20.04 LTS | linux-aws +2 | 5.4.0-1025.25 | USN-4525-1 |
| Ubuntu 20.04 LTS | linux-azure | 5.4.0-1026.26 | USN-4525-1 |
| Ubuntu 20.04 LTS | linux-kvm | 5.4.0-1024.24 | USN-4525-1 |
| Ubuntu 20.04 LTS | linux-oem-5.6 | 5.6.0-1028.28 | — |
| Ubuntu 20.04 LTS | linux-raspi | 5.4.0-1019.21 | USN-4525-1 |
| Ubuntu 20.04 LTS | linux-raspi2 | No fix yet | — |
| Ubuntu 20.04 LTS | linux-riscv | 5.4.0-34.38 | — |
| Ubuntu 18.04 LTS | linux | 4.15.0-118.119 | USN-4526-1 |
| Ubuntu 18.04 LTS | linux-aws | 4.15.0-1083.87 | USN-4526-1 |
| Ubuntu 18.04 LTS | linux-aws-5.4 +2 | 5.4.0-1025.25~18.04.1 | USN-4525-1 |
| Ubuntu 18.04 LTS | linux-azure-4.15 | 4.15.0-1096.106 | USN-4526-1 |
| Ubuntu 18.04 LTS | linux-azure-5.4 | 5.4.0-1026.26~18.04.1 | USN-4525-1 |
| Ubuntu 18.04 LTS | linux-gcp +11 | No fix yet | — |
| Ubuntu 18.04 LTS | linux-gcp-4.15 | 4.15.0-1084.95 | USN-4526-1 |
| Ubuntu 18.04 LTS | linux-gke-4.15 | 4.15.0-1070.73 | USN-4526-1 |
| Ubuntu 18.04 LTS | linux-hwe-5.4 | 5.4.0-48.52~18.04.1 | USN-4525-1 |
| Ubuntu 18.04 LTS | linux-kvm | 4.15.0-1075.76 | USN-4526-1 |
| Ubuntu 18.04 LTS | linux-oem | 4.15.0-1097.107 | USN-4526-1 |
| Ubuntu 18.04 LTS | linux-oracle | 4.15.0-1054.58 | USN-4526-1 |
| Ubuntu 18.04 LTS | linux-raspi-5.4 | 5.4.0-1019.21~18.04.1 | USN-4525-1 |
| Ubuntu 18.04 LTS | linux-raspi2 | 4.15.0-1071.75 | USN-4526-1 |
| Ubuntu 18.04 LTS | linux-snapdragon | 4.15.0-1087.95 | USN-4526-1 |
| Ubuntu 16.04 LTS | linux-aws-hwe | 4.15.0-1083.87~16.04.1 | USN-4526-1 |
| Ubuntu 16.04 LTS | linux-azure | 4.15.0-1096.106~16.04.1 | USN-4526-1 |
| Ubuntu 16.04 LTS | linux-gcp | 4.15.0-1084.95~16.04.1 | USN-4526-1 |
| Ubuntu 16.04 LTS | linux-hwe | 4.15.0-118.119~16.04.1 | USN-4526-1 |
| Ubuntu 16.04 LTS | linux-hwe-edge | No fix yet | — |
| Ubuntu 16.04 LTS | linux-oracle | 4.15.0-1054.58~16.04.1 | USN-4526-1 |
Show 9 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu Pro FIPS 20.04 LTS | linux-aws-fips +2 | No fix yet | — |
| Ubuntu Pro FIPS 18.04 LTS | linux-fips +3 | No fix yet | — |
| Ubuntu Pro FIPS 16.04 LTS | linux-fips | No fix yet | — |
| Ubuntu Pro FIPS-updates 20.04 LTS | linux-aws-fips | 5.4.0-1069.73+fips2 | — |
| Ubuntu Pro FIPS-updates 20.04 LTS | linux-azure-fips | 5.4.0-1073.76+fips1 | — |
| Ubuntu Pro FIPS-updates 20.04 LTS | linux-gcp-fips | 5.4.0-1067.71~20.04.1 | — |
| Ubuntu Pro FIPS-updates 18.04 LTS | linux-aws-fips | 4.15.0-2027.27 | — |
| Ubuntu Pro FIPS-updates 18.04 LTS | linux-azure-fips | 4.15.0-2009.10 | — |
| Ubuntu Pro FIPS-updates 18.04 LTS | linux-fips | 4.15.0-1041.46 | — |
| Ubuntu Pro FIPS-updates 16.04 LTS | linux-fips | 4.4.0-1073.79 | — |
| Ubuntu Pro 20.04 LTS | linux-azure-fde-5.15 | 5.15.0-1114.123~20.04.1 | — |
| Ubuntu Pro 16.04 LTS | linux | 4.4.0-223.256 | USN-5361-1 |
| Ubuntu Pro 16.04 LTS | linux-aws | 4.4.0-1139.153 | USN-5361-1 |
| Ubuntu Pro 16.04 LTS | linux-kvm | 4.4.0-1104.113 | USN-5361-1 |
| Ubuntu Pro 14.04 LTS | linux | No fix yet | — |
| Ubuntu Pro 14.04 LTS | linux-aws | 4.4.0-1103.108 | USN-5361-1 |
| Ubuntu Pro 14.04 LTS | linux-azure | 4.15.0-1096.106~14.04.1 | USN-4526-1 |
| Ubuntu Pro 14.04 LTS | linux-lts-xenial | 4.4.0-223.256~14.04.1 | USN-5361-1 |
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 8 | kernel-rt +12 | 4.18.0-193.13.2.rt13.65.el8_2 | RHSA-2020:3016 |
| RHEL 8 | perf +26 | 4.18.0-193.13.2.el8_2 | RHSA-2020:3010 |
| RHEL 7 | kernel +15 | 3.10.0-1127.13.1.el7 | RHSA-2020:2854, RHSA-2020:2664 |
| RHEL 7 | kernel-alt | 4.14.0-115.26.1.el7a | RHSA-2020:2854 |
| RHEL 7 | kernel-rt +10 | 3.10.0-1127.13.1.rt56.1110.el7 | RHSA-2020:2665 |
| RHEL 7 | perf +2 | 3.10.0-957.56.1.el7 | RHSA-2020:2854, RHSA-2020:2851, RHSA-2020:2664 |
Show 11 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 8.1 EUS | perf +26 | 4.18.0-147.24.2.el8_1 | RHSA-2020:3222 |
| RHEL 8.0 E4S | perf +18 | 4.18.0-80.27.1.el8_0 | RHSA-2020:3041 |
| RHEL 7.7 EUS | perf +18 | 3.10.0-1062.30.1.el7 | RHSA-2020:3019 |
| RHEL 7.6 EUS | perf +18 | 3.10.0-957.56.1.el7 | RHSA-2020:2851 |
| RHEL 7.4 TUS | perf +11 | 3.10.0-693.71.2.el7 | RHSA-2020:3230 |
| RHEL 7.4 E4S | perf +13 | 3.10.0-693.71.2.el7 | RHSA-2020:3230 |
| RHEL 7.4 AUS | perf +11 | 3.10.0-693.71.2.el7 | RHSA-2020:3230 |
| RHEL 7.3 TUS | perf +11 | 3.10.0-514.78.1.el7 | RHSA-2020:2832 |
| RHEL 7.3 E4S | perf +13 | 3.10.0-514.78.1.el7 | RHSA-2020:2832 |
| RHEL 7.3 AUS | perf +11 | 3.10.0-514.78.1.el7 | RHSA-2020:2832 |
| RHEL 7.2 AUS | perf +11 | 3.10.0-327.89.1.el7 | RHSA-2020:2831 |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 15 SP2 | kernel-azure +2 | 5.3.18-18.5.1 | SUSE-SU-2020:2027-1 |
| SLES 15 SP2 | kernel-default-base | 5.3.18-24.9.1.9.2.6 | SUSE-SU-2020:2105-1 |
| SLES 15 SP2 | kernel-docs | 5.3.18-24.9.2 | SUSE-SU-2020:2105-1 |
| SLES 15 SP2 | kernel-syms +4 | 5.3.18-24.9.1 | SUSE-SU-2020:2105-1 |
| SLES 15 SP1 | kernel-azure +2 | 4.12.14-8.38.1 | SUSE-SU-2020:2103-1 |
| SLES 15 SP1 | kernel-docs +5 | 4.12.14-197.48.1 | SUSE-SU-2020:2107-1 |
| SLES 15 | kernel-docs +6 | 4.12.14-150.55.1 | SUSE-SU-2020:2106-1 |
| SLES 12 SP5 | kernel-azure +2 | 4.12.14-16.22.1 | SUSE-SU-2020:2119-1 |
| SLES 12 SP5 | kernel-docs +4 | 4.12.14-122.29.1 | SUSE-SU-2020:2122-1 |
| SLES 12 SP4 | kernel-syms +2 | 4.12.14-95.57.1 | SUSE-SU-2020:2121-1 |
Show 14 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES for SAP 15 | kernel-docs +5 | 4.12.14-150.55.1 | SUSE-SU-2020:2106-1 |
| SLES for SAP 12 SP5 | kernel-azure +2 | 4.12.14-16.22.1 | SUSE-SU-2020:2119-1 |
| SLES for SAP 12 SP5 | kernel-syms +2 | 4.12.14-122.29.1 | SUSE-SU-2020:2122-1 |
| SLES for SAP 12 SP4 | kernel-syms +2 | 4.12.14-95.57.1 | SUSE-SU-2020:2121-1 |
| SLE Real Time 12 SP5 | kernel-rt +3 | 4.12.14-10.13.1 | SUSE-SU-2020:2478-1 |
| SLE Real Time 12 SP4 | kernel-rt +3 | 4.12.14-8.23.1 | SUSE-SU-2020:2156-1 |
| SLE Live Patching 15 SP2 | kernel-default | 5.3.18-24.9.1 | SUSE-SU-2020:2105-1 |
| SLE Live Patching 15 SP2 | kernel-livepatch-SLE15-SP2_Update_1 | 1-5.3.6 | SUSE-SU-2020:2105-1 |
| SLE Live Patching 15 SP1 | kernel-default | 4.12.14-197.48.1 | SUSE-SU-2020:2107-1 |
| SLE Live Patching 15 SP1 | kernel-livepatch-SLE15-SP1_Update_13 | 1-3.3.1 | SUSE-SU-2020:2107-1 |
| SLE Live Patching 15 | kernel-default | 4.12.14-150.55.1 | SUSE-SU-2020:2106-1 |
| SLE Live Patching 15 | kernel-livepatch-SLE15_Update_19 | 1-1.3.1 | SUSE-SU-2020:2106-1 |
| SLE Live Patching 12 SP5 | kernel-default | 4.12.14-122.29.1 | SUSE-SU-2020:2122-1 |
| SLE Live Patching 12 SP5 | kgraft-patch-SLE12-SP5_Update_7 | 1-8.3.1 | SUSE-SU-2020:2122-1 |
| SLE Live Patching 12 SP4 | kernel-default | 4.12.14-95.57.1 | SUSE-SU-2020:2121-1 |
| SLE Live Patching 12 SP4 | kgraft-patch-SLE12-SP4_Update_15 | 1-6.3.1 | SUSE-SU-2020:2121-1 |
| SLE HPC 15 | kernel-docs +5 | 4.12.14-150.55.1 | SUSE-SU-2020:2106-1 |
| SUSE Real Time Module 15 SP1 | kernel-rt +3 | 4.12.14-14.28.1 | SUSE-SU-2020:2487-1 |
| SUSE OpenStack Cloud Crowbar 9 | kernel-syms +2 | 4.12.14-95.57.1 | SUSE-SU-2020:2121-1 |
| SUSE OpenStack Cloud 9 | kernel-syms +2 | 4.12.14-95.57.1 | SUSE-SU-2020:2121-1 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Leap 15.2 | kernel-default-base | 5.3.18-lp152.26.2.lp152.8.2.2 | openSUSE-SU-2020:0935-1 |
| openSUSE Leap 15.2 | kernel-docs +8 | 5.3.18-lp152.26.2 | openSUSE-SU-2020:0935-1 |
| openSUSE Leap 15.2 | kernel-rt +3 | 5.3.18-lp152.3.5.1 | openSUSE-SU-2021:0242-1 |
| openSUSE Leap 15.1 | kernel-docs +8 | 4.12.14-lp151.28.59.1 | openSUSE-SU-2020:1153-1 |
Oracle Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Oracle Linux 8 | perf +19 | 4.18.0-193.13.2.el8_2 | ELSA-2020-3010 |
| Oracle Linux 7 | kernel-uek +5 | 4.1.12-124.41.4.el7uek | ELSA-2020-5805, ELSA-2020-5804, ELSA-2020-5801 |
| Oracle Linux 7 | kernel-uek-tools +3 | 4.14.35-1902.305.4.el7uek | ELSA-2020-5805, ELSA-2020-5804 |
| Oracle Linux 7 | perf +12 | 3.10.0-1127.13.1.el7 | ELSA-2020-5805, ELSA-2020-5804, ELSA-2020-2664 |
Advisories 37
- USN-5361-1 linux, linux-aws, linux-kvm, linux-lts-xenial vulnerabilities Ubuntu Security Notices (USN) · Sep 9, 2026
- RHSA-2020:3230 Red Hat Security Advisory: kernel security and bug fix update Red Hat Security Advisories (RHSA) · Jun 29, 2026
- RHSA-2020:3222 Red Hat Security Advisory: kernel security and bug fix update Red Hat Security Advisories (RHSA) · Jun 29, 2026
- RHSA-2020:3041 Red Hat Security Advisory: kernel security and bug fix update Red Hat Security Advisories (RHSA) · Jun 29, 2026
- RHSA-2020:3016 Red Hat Security Advisory: kernel-rt security and bug fix update Red Hat Security Advisories (RHSA) · Jun 29, 2026
- RHSA-2020:3019 Red Hat Security Advisory: kernel security, bug fix, and enhancement update Red Hat Security Advisories (RHSA) · Jun 29, 2026
- RHSA-2020:3010 Red Hat Security Advisory: kernel security, bug fix, and enhancement update Red Hat Security Advisories (RHSA) · Jun 29, 2026
- RHSA-2020:2832 Red Hat Security Advisory: kernel security and bug fix update Red Hat Security Advisories (RHSA) · Jun 29, 2026
- RHSA-2020:2831 Red Hat Security Advisory: kernel security and bug fix update Red Hat Security Advisories (RHSA) · Jun 29, 2026
- RHSA-2020:2665 Red Hat Security Advisory: kernel-rt security and bug fix update Red Hat Security Advisories (RHSA) · Jun 29, 2026
- RHSA-2020:2664 Red Hat Security Advisory: kernel security and bug fix update Red Hat Security Advisories (RHSA) · Jun 29, 2026
- RHSA-2020:2854 Red Hat Security Advisory: kernel-alt security and bug fix update Red Hat Security Advisories (RHSA) · Jun 28, 2026
- RHSA-2020:2851 Red Hat Security Advisory: kernel security and bug fix update Red Hat Security Advisories (RHSA) · Jun 28, 2026
- USN-4526-1 linux, linux-aws, linux-aws-hwe, linux-azure, linux-azure-4.15, linux-gcp, linux-gcp-4.15, linux-gke-4.15, linux-hwe, linux-kvm, linux-oem, linux-oracle, linux-raspi2, linux-snapdragon vulnerabilities Ubuntu Security Notices (USN) · Jun 3, 2026
- USN-4525-1 linux, linux-aws, linux-aws-5.4, linux-azure, linux-azure-5.4, linux-gcp, linux-gcp-5.4, linux-hwe-5.4, linux-kvm, linux-oracle, linux-oracle-5.4, linux-raspi, linux-raspi-5.4 vulnerabilities Ubuntu Security Notices (USN) · Jun 3, 2026
- DLA-2385-1 linux-4.19 - security update Debian Security (DSA / DLA) · Mar 9, 2026
- DLA-2420-1 linux - security update Debian Security (DSA / DLA) · Mar 9, 2026
- SUSE-SU-2020:2105-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2020:1153-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2021:0242-1 Security update for RT kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2020:2156-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2020:2119-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2020:2487-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2020:2107-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2020:2121-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2020:2122-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2020:0935-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2020:2478-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2020:2103-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2020:2027-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- WID-SEC-2022-2095 Linux Kernel: Schwachstelle ermöglicht Denial of Service BSI CERT-Bund (WID) · Dec 9, 2025
- SUSE-SU-2020:2106-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · May 2, 2025
- ELSA-2020-5805 Important: Unbreakable Enterprise kernel security update (Oracle Linux 7) Oracle Linux Security Advisories (ELSA) · Aug 10, 2020
- ELSA-2020-5804 Important: Unbreakable Enterprise kernel security update (Oracle Linux 7) Oracle Linux Security Advisories (ELSA) · Aug 10, 2020
- ELSA-2020-5801 Important: Unbreakable Enterprise kernel security update (Oracle Linux 7) Oracle Linux Security Advisories (ELSA) · Aug 6, 2020
- ELSA-2020-3010 Important: kernel security, bug fix, and enhancement update (Oracle Linux 8) Oracle Linux Security Advisories (ELSA) · Jul 24, 2020
- ELSA-2020-2664 Important: kernel security and bug fix update (Oracle Linux 7) Oracle Linux Security Advisories (ELSA) · Jun 23, 2020
References
- https://lore.kernel.org/kvm/158871570274.15589.10563806532874116326.stgit%40gimli.home/
- https://lore.kernel.org/kvm/158871401328.15589.17598154478222071285.stgit%40gimli.home/
- [oss-security] 20200519 CVE-2020-12888 Kernel: vfio: access to disabled MMIO space of some devices may lead to DoS scenario mailing-list
- FEDORA-2020-57bf620276 vendor-advisory
- FEDORA-2020-5436586091 vendor-advisory
- https://security.netapp.com/advisory/ntap-20200608-0001/
- openSUSE-SU-2020:0935 vendor-advisory
- openSUSE-SU-2020:1153 vendor-advisory
- USN-4526-1 vendor-advisory
- USN-4525-1 vendor-advisory
- [debian-lts-announce] 20200928 [SECURITY] [DLA 2385-1] linux-4.19 security update mailing-list
- [debian-lts-announce] 20201030 [SECURITY] [DLA 2420-1] linux security update mailing-list
- [debian-lts-announce] 20201031 [SECURITY] [DLA 2420-2] linux regression update mailing-list