CVE-2020-12352
linux-hardenedVulnerabilityCVSS 6.5PatchedPoC
A public proof-of-concept or exploit code is available, raising the risk of active exploitation. A fixed version is available (see the table below).
Recommended action: Update to the fixed version listed for your distribution using the native package manager.
Severity metrics
CVSS 3.1 : 6.5 MEDIUM · CVSS 2.0 : 3.3 LOW
Attack vectorAdjacent network
Attack complexityLow
Privileges requiredNone
User interactionNone
ScopeUnchanged
Confidentiality impactHigh
Integrity impactNone
Availability impactNone
Vector: AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Affected & fixed versions by distribution
Versions are the native distribution strings (backport-aware): RHEL/Debian/SUSE backport fixes, so compare with the distro version comparator (dpkg / rpm / vercmp), not the upstream version.
| Distribution | Package | Affected | Fixed version | Status |
|---|---|---|---|---|
| Arch | linux-hardened | 5.8.14.a-1 | 5.8.16.a-1 | fixed |
| Arch | linux-lts | 5.4.71-1 | 5.4.72-1 | fixed |
| Arch | linux-zen | 5.9.zen1-1 | 5.9.1.zen2-1 | fixed |
| Arch | linux | 5.9.arch1-1 | 5.9.1.arch1-1 | fixed |
| Debian:11 | linux | - | 5.9.1-1 | fixed |
| Debian:12 | linux | - | 5.9.1-1 | fixed |
| Debian:13 | linux | - | 5.9.1-1 | fixed |
| Debian:14 | linux | - | 5.9.1-1 | fixed |
| Ubuntu:Pro:18.04:LTS | linux | - | 4.15.0-122.124 | fixed |
| Ubuntu:Pro:20.04:LTS | linux | - | 5.4.0-52.57 | fixed |
| Ubuntu:Pro:16.04:LTS | linux | - | 4.4.0-262.296 | fixed |
| Ubuntu:Pro:18.04:LTS | linux | - | 4.15.0-132.136 | fixed |
| Ubuntu:Pro:20.04:LTS | linux | - | 5.4.0-62.70 | fixed |
| SUSE:Linux Enterprise Module for Basesystem 15 SP1 | kernel-default | - | 4.12.14-197.64.1 | fixed |
| SUSE:Linux Enterprise Module for Legacy 15 SP1 | kernel-default | - | 4.12.14-197.64.1 | fixed |
| SUSE:Linux Enterprise Live Patching 15 SP1 | kernel-default | - | 4.12.14-197.64.1 | fixed |
| SUSE:Linux Enterprise High Availability Extension 15 SP1 | kernel-default | - | 4.12.14-197.64.1 | fixed |
| SUSE:Linux Enterprise Workstation Extension 15 SP1 | kernel-default | - | 4.12.14-197.64.1 | fixed |
| SUSE:Linux Enterprise Module for Basesystem 15 SP2 | kernel-default | - | 5.3.18-24.29.2 | fixed |
| SUSE:Linux Enterprise Module for Legacy 15 SP2 | kernel-default | - | 5.3.18-24.29.2 | fixed |
| SUSE:Linux Enterprise Live Patching 15 SP2 | kernel-default | - | 5.3.18-24.29.2 | fixed |
| SUSE:Linux Enterprise High Availability Extension 15 SP2 | kernel-default | - | 5.3.18-24.29.2 | fixed |
| SUSE:Linux Enterprise Workstation Extension 15 SP2 | kernel-default | - | 5.3.18-24.29.2 | fixed |
| SUSE:Linux Enterprise High Availability Extension 12 SP5 | kernel-default | - | 4.12.14-122.46.1 | fixed |
| SUSE:Linux Enterprise Live Patching 12 SP5 | kernel-default | - | 4.12.14-122.46.1 | fixed |
| SUSE:Linux Enterprise Server 12 SP5 | kernel-default | - | 4.12.14-122.46.1 | fixed |
| SUSE:Linux Enterprise Server for SAP Applications 12 SP5 | kernel-default | - | 4.12.14-122.46.1 | fixed |
| SUSE:Linux Enterprise Workstation Extension 12 SP5 | kernel-default | - | 4.12.14-122.46.1 | fixed |
| SUSE:OpenStack Cloud 7 | kernel-default | - | 4.4.121-92.146.1 | fixed |
| SUSE:Linux Enterprise High Availability Extension 12 SP2 | kernel-default | - | 4.4.121-92.146.1 | fixed |
| SUSE:Linux Enterprise Server for SAP Applications 12 SP2 | kernel-default | - | 4.4.121-92.146.1 | fixed |
| SUSE:Linux Enterprise Server 12 SP2-LTSS | kernel-default | - | 4.4.121-92.146.1 | fixed |
| SUSE:Linux Enterprise Server 12 SP2-BCL | kernel-default | - | 4.4.121-92.146.1 | fixed |
| SUSE:HPE Helion OpenStack 8 | kernel-default | - | 4.4.180-94.135.1 | fixed |
| SUSE:OpenStack Cloud 8 | kernel-default | - | 4.4.180-94.135.1 | fixed |
| SUSE:OpenStack Cloud Crowbar 8 | kernel-default | - | 4.4.180-94.135.1 | fixed |
| SUSE:Linux Enterprise High Availability Extension 12 SP3 | kernel-default | - | 4.4.180-94.135.1 | fixed |
| SUSE:Linux Enterprise Server for SAP Applications 12 SP3 | kernel-default | - | 4.4.180-94.135.1 | fixed |
| SUSE:Linux Enterprise Server 12 SP3-LTSS | kernel-default | - | 4.4.180-94.135.1 | fixed |
| SUSE:Linux Enterprise Server 12 SP3-BCL | kernel-default | - | 4.4.180-94.135.1 | fixed |
| SUSE:Enterprise Storage 5 | kernel-default | - | 4.4.180-94.135.1 | fixed |
| SUSE:Linux Enterprise Live Patching 15 | kernel-default | - | 4.12.14-150.63.1 | fixed |
| SUSE:Linux Enterprise High Availability Extension 15 | kernel-default | - | 4.12.14-150.63.1 | fixed |
| SUSE:Linux Enterprise High Performance Computing 15-ESPOS | kernel-default | - | 4.12.14-150.63.1 | fixed |
| SUSE:Linux Enterprise High Performance Computing 15-LTSS | kernel-default | - | 4.12.14-150.63.1 | fixed |
| SUSE:Linux Enterprise Server 15-LTSS | kernel-default | - | 4.12.14-150.63.1 | fixed |
| SUSE:Linux Enterprise Server for SAP Applications 15 | kernel-default | - | 4.12.14-150.63.1 | fixed |
| SUSE:OpenStack Cloud 9 | kernel-default | - | 4.12.14-95.65.1 | fixed |
| SUSE:OpenStack Cloud Crowbar 9 | kernel-default | - | 4.12.14-95.65.1 | fixed |
| SUSE:Linux Enterprise High Availability Extension 12 SP4 | kernel-default | - | 4.12.14-95.65.1 | fixed |
| SUSE:Linux Enterprise Live Patching 12 SP4 | kernel-default | - | 4.12.14-95.65.1 | fixed |
| SUSE:Linux Enterprise Server for SAP Applications 12 SP4 | kernel-default | - | 4.12.14-95.65.1 | fixed |
| SUSE:Linux Enterprise Server 12 SP4-LTSS | kernel-default | - | 4.12.14-95.65.1 | fixed |
| SUSE:Linux Enterprise Module for Basesystem 15 SP2 | kernel-default-base | - | 5.3.18-24.29.2.9.9.3 | fixed |
| openSUSE:Leap 15.1 | kernel-default | - | 4.12.14-lp151.28.75.1 | fixed |
| openSUSE:Leap 15.2 | kernel-default | - | 5.3.18-lp152.47.2 | fixed |
| openSUSE:Leap 15.2 | kernel-default-base | - | 5.3.18-lp152.50.1.lp152.8.10.1 | fixed |
| Red Hat:enterprise_linux:7::client | kernel | - | 0:3.10.0-1160.2.2.el7 | fixed |
| Red Hat:enterprise_linux:7::server | kernel | - | 0:3.10.0-1160.2.2.el7 | fixed |
| Red Hat:enterprise_linux:7::workstation | kernel | - | 0:3.10.0-1160.2.2.el7 | fixed |
| Red Hat:rhel_eus:7.7::computenode | kernel | - | 0:3.10.0-1062.37.1.el7 | fixed |
| Red Hat:rhel_eus:7.7::server | kernel | - | 0:3.10.0-1062.37.1.el7 | fixed |
| Red Hat:rhel_aus:7.4::server | kernel | - | 0:3.10.0-693.77.1.el7 | fixed |
| Red Hat:rhel_e4s:7.4::server | kernel | - | 0:3.10.0-693.77.1.el7 | fixed |
| Red Hat:rhel_tus:7.4::server | kernel | - | 0:3.10.0-693.77.1.el7 | fixed |
| Red Hat:enterprise_linux:7::server | kernel | - | 0:4.14.0-115.32.1.el7a | fixed |
| Red Hat:rhel_eus:7.6::computenode | kernel | - | 0:3.10.0-957.61.2.el7 | fixed |
| Red Hat:rhel_eus:7.6::server | kernel | - | 0:3.10.0-957.61.2.el7 | fixed |
| Red Hat:enterprise_linux:8::baseos | kernel | - | 0:4.18.0-193.28.1.el8_2 | fixed |
| Red Hat:rhel_eus:8.1::baseos | kernel | - | 0:4.18.0-147.32.1.el8_1 | fixed |
| Red Hat:rhel_e4s:8.0::baseos | kernel | - | 0:4.18.0-80.30.1.el8_0 | fixed |
| Red Hat:rhel_aus:7.2::server | kernel | - | 0:3.10.0-327.93.1.el7 | fixed |
| Red Hat:rhel_aus:7.3::server | kernel | - | 0:3.10.0-514.85.1.el7 | fixed |
| Red Hat:rhel_e4s:7.3::server | kernel | - | 0:3.10.0-514.85.1.el7 | fixed |
| Red Hat:rhel_tus:7.3::server | kernel | - | 0:3.10.0-514.85.1.el7 | fixed |