CVE-2020-25656
linuxVulnerabilityCVSS 4.1PatchedPoC
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 : 4.1 MEDIUM · CVSS 2.0 : 1.9 LOW
Attack vectorLocal
Attack complexityHigh
Privileges requiredHigh
User interactionNone
ScopeUnchanged
Confidentiality impactHigh
Integrity impactNone
Availability impactNone
Vector: AV:L/AC:H/PR:H/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 |
|---|---|---|---|---|
| Debian:11 | linux | - | 5.9.6-1 | fixed |
| Debian:12 | linux | - | 5.9.6-1 | fixed |
| Debian:13 | linux | - | 5.9.6-1 | fixed |
| Debian:14 | linux | - | 5.9.6-1 | fixed |
| SUSE:Linux Enterprise Module for Basesystem 15 SP1 | kernel-default | - | 4.12.14-197.67.1 | fixed |
| SUSE:Linux Enterprise Module for Legacy 15 SP1 | kernel-default | - | 4.12.14-197.67.1 | fixed |
| SUSE:Linux Enterprise Live Patching 15 SP1 | kernel-default | - | 4.12.14-197.67.1 | fixed |
| SUSE:Linux Enterprise High Availability Extension 15 SP1 | kernel-default | - | 4.12.14-197.67.1 | fixed |
| SUSE:Linux Enterprise Workstation Extension 15 SP1 | kernel-default | - | 4.12.14-197.67.1 | fixed |
| SUSE:Linux Enterprise Module for Basesystem 15 SP2 | kernel-default | - | 5.3.18-24.37.1 | fixed |
| SUSE:Linux Enterprise Module for Legacy 15 SP2 | kernel-default | - | 5.3.18-24.37.1 | fixed |
| SUSE:Linux Enterprise Live Patching 15 SP2 | kernel-default | - | 5.3.18-24.37.1 | fixed |
| SUSE:Linux Enterprise High Availability Extension 15 SP2 | kernel-default | - | 5.3.18-24.37.1 | fixed |
| SUSE:Linux Enterprise Workstation Extension 15 SP2 | kernel-default | - | 5.3.18-24.37.1 | fixed |
| SUSE:Linux Enterprise High Availability Extension 12 SP5 | kernel-default | - | 4.12.14-122.51.2 | fixed |
| SUSE:Linux Enterprise Live Patching 12 SP5 | kernel-default | - | 4.12.14-122.51.2 | fixed |
| SUSE:Linux Enterprise Server 12 SP5 | kernel-default | - | 4.12.14-122.51.2 | fixed |
| SUSE:Linux Enterprise Server for SAP Applications 12 SP5 | kernel-default | - | 4.12.14-122.51.2 | fixed |
| SUSE:Linux Enterprise Workstation Extension 12 SP5 | kernel-default | - | 4.12.14-122.51.2 | 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 | - | 5.3.18-24.37.1.9.13.1 | fixed |
| openSUSE:Leap 15.2 | kernel-default | - | 5.3.18-lp152.50.1 | 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 | - | 0:3.10.0-1160.21.1.el7 | fixed |
| Red Hat:enterprise_linux:7::server | kernel | - | 0:3.10.0-1160.21.1.el7 | fixed |
| Red Hat:enterprise_linux:7::workstation | kernel | - | 0:3.10.0-1160.21.1.el7 | fixed |
| Red Hat:enterprise_linux:8::baseos | kernel | - | 0:4.18.0-553.el8_10 | fixed |