CVE-2020-26555
linuxVulnerabilityCVSS 5.4Patched
No public exploitation has been reported so far. 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 : 5.4 MEDIUM · CVSS 2.0 : 4.8 MEDIUM
Attack vectorAdjacent network
Attack complexityLow
Privileges requiredNone
User interactionNone
ScopeUnchanged
Confidentiality impactLow
Integrity impactLow
Availability impactNone
Vector: AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:L/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 | 5.15.8.arch1-1 | - | affected (no fix yet) |
| SUSE:Linux Enterprise High Performance Computing 15 SP3-LTSS | kernel-default-base | - | 5.3.18-150300.59.147.2.150300.18.86.2 | fixed |
| SUSE:Linux Enterprise Server 15 SP3-LTSS | kernel-default-base | - | 5.3.18-150300.59.147.2.150300.18.86.2 | fixed |
| SUSE:Linux Enterprise Server for SAP Applications 15 SP3 | kernel-default-base | - | 5.3.18-150300.59.147.2.150300.18.86.2 | fixed |
| SUSE:Linux Enterprise Micro 5.1 | kernel-default-base | - | 5.3.18-150300.59.147.2.150300.18.86.2 | fixed |
| SUSE:Linux Enterprise Micro 5.2 | kernel-default-base | - | 5.3.18-150300.59.147.2.150300.18.86.2 | fixed |
| SUSE:Enterprise Storage 7.1 | kernel-default-base | - | 5.3.18-150300.59.147.2.150300.18.86.2 | fixed |
| SUSE:Linux Enterprise High Performance Computing 15 SP2-LTSS | kernel-default-base | - | 5.3.18-150200.24.175.1.150200.9.89.1 | fixed |
| SUSE:Linux Enterprise Server 15 SP2-LTSS | kernel-default-base | - | 5.3.18-150200.24.175.1.150200.9.89.1 | fixed |
| SUSE:Linux Enterprise Server for SAP Applications 15 SP2 | kernel-default-base | - | 5.3.18-150200.24.175.1.150200.9.89.1 | fixed |
| SUSE:Linux Enterprise Micro 5.3 | kernel-default-base | - | 5.14.21-150400.24.103.1.150400.24.48.1 | fixed |
| SUSE:Linux Enterprise Micro 5.4 | kernel-default-base | - | 5.14.21-150400.24.103.1.150400.24.48.1 | fixed |
| SUSE:Linux Enterprise High Performance Computing 15 SP4-ESPOS | kernel-default-base | - | 5.14.21-150400.24.103.1.150400.24.48.1 | fixed |
| SUSE:Linux Enterprise High Performance Computing 15 SP4-LTSS | kernel-default-base | - | 5.14.21-150400.24.103.1.150400.24.48.1 | fixed |
| SUSE:Linux Enterprise Real Time 15 SP4 | kernel-default-base | - | 5.14.21-150400.24.103.1.150400.24.48.1 | fixed |
| SUSE:Linux Enterprise Server 15 SP4-LTSS | kernel-default-base | - | 5.14.21-150400.24.103.1.150400.24.48.1 | fixed |
| SUSE:Linux Enterprise Server for SAP Applications 15 SP4 | kernel-default-base | - | 5.14.21-150400.24.103.1.150400.24.48.1 | fixed |
| SUSE:Manager Proxy 4.3 | kernel-default-base | - | 5.14.21-150400.24.103.1.150400.24.48.1 | fixed |
| SUSE:Manager Server 4.3 | kernel-default-base | - | 5.14.21-150400.24.103.1.150400.24.48.1 | fixed |
| openSUSE:Leap Micro 5.3 | kernel-default-base | - | 5.14.21-150400.24.103.1.150400.24.48.1 | fixed |
| openSUSE:Leap Micro 5.4 | kernel-default-base | - | 5.14.21-150400.24.103.1.150400.24.48.1 | fixed |
| SUSE:Linux Enterprise Micro 5.5 | kernel-default-base | - | 5.14.21-150500.55.44.1.150500.6.19.2 | fixed |
| SUSE:Linux Enterprise Module for Basesystem 15 SP5 | kernel-default-base | - | 5.14.21-150500.55.44.1.150500.6.19.2 | fixed |
| openSUSE:Leap 15.5 | kernel-default-base | - | 5.14.21-150500.55.44.1.150500.6.19.2 | fixed |
| SUSE:Linux Enterprise Micro 5.3 | kernel-default | - | 5.14.21-150400.24.103.1 | fixed |
| SUSE:Linux Enterprise Micro 5.4 | kernel-default | - | 5.14.21-150400.24.103.1 | fixed |
| SUSE:Linux Enterprise Live Patching 15 SP4 | kernel-default | - | 5.14.21-150400.24.103.1 | fixed |
| SUSE:Linux Enterprise High Availability Extension 15 SP4 | kernel-default | - | 5.14.21-150400.24.103.1 | fixed |
| SUSE:Linux Enterprise High Performance Computing 15 SP4-ESPOS | kernel-default | - | 5.14.21-150400.24.103.1 | fixed |
| SUSE:Linux Enterprise High Performance Computing 15 SP4-LTSS | kernel-default | - | 5.14.21-150400.24.103.1 | fixed |
| SUSE:Linux Enterprise Real Time 15 SP4 | kernel-default | - | 5.14.21-150400.24.103.1 | fixed |
| SUSE:Linux Enterprise Server 15 SP4-LTSS | kernel-default | - | 5.14.21-150400.24.103.1 | fixed |
| SUSE:Linux Enterprise Server for SAP Applications 15 SP4 | kernel-default | - | 5.14.21-150400.24.103.1 | fixed |
| SUSE:Manager Proxy 4.3 | kernel-default | - | 5.14.21-150400.24.103.1 | fixed |
| SUSE:Manager Server 4.3 | kernel-default | - | 5.14.21-150400.24.103.1 | fixed |
| openSUSE:Leap Micro 5.3 | kernel-default | - | 5.14.21-150400.24.103.1 | fixed |
| openSUSE:Leap Micro 5.4 | kernel-default | - | 5.14.21-150400.24.103.1 | fixed |
| SUSE:Linux Enterprise Micro 5.5 | kernel-default | - | 5.14.21-150500.55.44.1 | fixed |
| SUSE:Linux Enterprise Module for Basesystem 15 SP5 | kernel-default | - | 5.14.21-150500.55.44.1 | fixed |
| SUSE:Linux Enterprise Module for Legacy 15 SP5 | kernel-default | - | 5.14.21-150500.55.44.1 | fixed |
| SUSE:Linux Enterprise Live Patching 15 SP5 | kernel-default | - | 5.14.21-150500.55.44.1 | fixed |
| SUSE:Linux Enterprise High Availability Extension 15 SP5 | kernel-default | - | 5.14.21-150500.55.44.1 | fixed |
| SUSE:Linux Enterprise Workstation Extension 15 SP5 | kernel-default | - | 5.14.21-150500.55.44.1 | fixed |
| openSUSE:Leap 15.5 | kernel-default | - | 5.14.21-150500.55.44.1 | fixed |
| Red Hat:enterprise_linux:9::baseos | kernel | - | 0:5.14.0-427.13.1.el9_4 | fixed |
| Red Hat:enterprise_linux:8::baseos | kernel | - | 0:4.18.0-553.8.1.el8_10 | fixed |