CVE-2021-33631
linuxVulnerabilityCVSS 5.5Patched
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 : 5.5 MEDIUM
Attack vectorLocal
Attack complexityLow
Privileges requiredLow
User interactionNone
ScopeUnchanged
Confidentiality impactNone
Integrity impactNone
Availability impactHigh
Vector: AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
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 | - | 5.10.178-1 | fixed |
| Debian:12 | linux | - | 6.1.4-1 | fixed |
| Debian:13 | linux | - | 6.1.4-1 | fixed |
| Debian:14 | linux | - | 6.1.4-1 | fixed |
| SUSE:Linux Enterprise High Performance Computing 15 SP3-LTSS | kernel-default-base | - | 5.3.18-150300.59.150.1.150300.18.88.1 | fixed |
| SUSE:Linux Enterprise Server 15 SP3-LTSS | kernel-default-base | - | 5.3.18-150300.59.150.1.150300.18.88.1 | fixed |
| SUSE:Linux Enterprise Server for SAP Applications 15 SP3 | kernel-default-base | - | 5.3.18-150300.59.150.1.150300.18.88.1 | fixed |
| SUSE:Linux Enterprise Micro 5.1 | kernel-default-base | - | 5.3.18-150300.59.150.1.150300.18.88.1 | fixed |
| SUSE:Linux Enterprise Micro 5.2 | kernel-default-base | - | 5.3.18-150300.59.150.1.150300.18.88.1 | fixed |
| SUSE:Enterprise Storage 7.1 | kernel-default-base | - | 5.3.18-150300.59.150.1.150300.18.88.1 | fixed |
| SUSE:Linux Enterprise High Performance Computing 15 SP2-LTSS | kernel-default-base | - | 5.3.18-150200.24.178.1.150200.9.91.1 | fixed |
| SUSE:Linux Enterprise Server 15 SP2-LTSS | kernel-default-base | - | 5.3.18-150200.24.178.1.150200.9.91.1 | fixed |
| SUSE:Linux Enterprise Server for SAP Applications 15 SP2 | kernel-default-base | - | 5.3.18-150200.24.178.1.150200.9.91.1 | fixed |
| SUSE:Linux Enterprise Micro 5.3 | kernel-default-base | - | 5.14.21-150400.24.108.1.150400.24.50.2 | fixed |
| SUSE:Linux Enterprise Micro 5.4 | kernel-default-base | - | 5.14.21-150400.24.108.1.150400.24.50.2 | fixed |
| SUSE:Linux Enterprise High Performance Computing 15 SP4-ESPOS | kernel-default-base | - | 5.14.21-150400.24.108.1.150400.24.50.2 | fixed |
| SUSE:Linux Enterprise High Performance Computing 15 SP4-LTSS | kernel-default-base | - | 5.14.21-150400.24.108.1.150400.24.50.2 | fixed |
| SUSE:Linux Enterprise Server 15 SP4-LTSS | kernel-default-base | - | 5.14.21-150400.24.108.1.150400.24.50.2 | fixed |
| SUSE:Linux Enterprise Server for SAP Applications 15 SP4 | kernel-default-base | - | 5.14.21-150400.24.108.1.150400.24.50.2 | fixed |
| SUSE:Manager Proxy 4.3 | kernel-default-base | - | 5.14.21-150400.24.108.1.150400.24.50.2 | fixed |
| SUSE:Manager Server 4.3 | kernel-default-base | - | 5.14.21-150400.24.108.1.150400.24.50.2 | fixed |
| openSUSE:Leap Micro 5.3 | kernel-default-base | - | 5.14.21-150400.24.108.1.150400.24.50.2 | fixed |
| openSUSE:Leap Micro 5.4 | kernel-default-base | - | 5.14.21-150400.24.108.1.150400.24.50.2 | fixed |
| SUSE:Linux Enterprise Micro 5.5 | kernel-default-base | - | 5.14.21-150500.55.49.1.150500.6.21.2 | fixed |
| SUSE:Linux Enterprise Module for Basesystem 15 SP5 | kernel-default-base | - | 5.14.21-150500.55.49.1.150500.6.21.2 | fixed |
| openSUSE:Leap 15.5 | kernel-default-base | - | 5.14.21-150500.55.49.1.150500.6.21.2 | fixed |
| SUSE:Linux Enterprise Micro 5.3 | kernel-default | - | 5.14.21-150400.24.108.1 | fixed |
| SUSE:Linux Enterprise Micro 5.4 | kernel-default | - | 5.14.21-150400.24.108.1 | fixed |
| SUSE:Linux Enterprise Live Patching 15 SP4 | kernel-default | - | 5.14.21-150400.24.108.1 | fixed |
| SUSE:Linux Enterprise High Availability Extension 15 SP4 | kernel-default | - | 5.14.21-150400.24.108.1 | fixed |
| SUSE:Linux Enterprise High Performance Computing 15 SP4-ESPOS | kernel-default | - | 5.14.21-150400.24.108.1 | fixed |
| SUSE:Linux Enterprise High Performance Computing 15 SP4-LTSS | kernel-default | - | 5.14.21-150400.24.108.1 | fixed |
| SUSE:Linux Enterprise Server 15 SP4-LTSS | kernel-default | - | 5.14.21-150400.24.108.1 | fixed |
| SUSE:Linux Enterprise Server for SAP Applications 15 SP4 | kernel-default | - | 5.14.21-150400.24.108.1 | fixed |
| SUSE:Manager Proxy 4.3 | kernel-default | - | 5.14.21-150400.24.108.1 | fixed |
| SUSE:Manager Server 4.3 | kernel-default | - | 5.14.21-150400.24.108.1 | fixed |
| openSUSE:Leap Micro 5.3 | kernel-default | - | 5.14.21-150400.24.108.1 | fixed |
| openSUSE:Leap Micro 5.4 | kernel-default | - | 5.14.21-150400.24.108.1 | fixed |
| SUSE:Linux Enterprise Micro 5.5 | kernel-default | - | 5.14.21-150500.55.49.1 | fixed |
| SUSE:Linux Enterprise Module for Basesystem 15 SP5 | kernel-default | - | 5.14.21-150500.55.49.1 | fixed |
| SUSE:Linux Enterprise Module for Legacy 15 SP5 | kernel-default | - | 5.14.21-150500.55.49.1 | fixed |
| SUSE:Linux Enterprise Live Patching 15 SP5 | kernel-default | - | 5.14.21-150500.55.49.1 | fixed |
| SUSE:Linux Enterprise High Availability Extension 15 SP5 | kernel-default | - | 5.14.21-150500.55.49.1 | fixed |
| SUSE:Linux Enterprise Workstation Extension 15 SP5 | kernel-default | - | 5.14.21-150500.55.49.1 | fixed |
| openSUSE:Leap 15.5 | kernel-default | - | 5.14.21-150500.55.49.1 | fixed |
| Red Hat:enterprise_linux:9::baseos | kernel | - | 0:5.14.0-284.11.1.el9_2 | fixed |
| Red Hat:enterprise_linux:8::baseos | kernel | - | 0:4.18.0-513.24.1.el8_9 | fixed |
| Red Hat:rhel_eus:8.6::baseos | kernel | - | 0:4.18.0-372.98.1.el8_6 | fixed |
| Red Hat:rhel_eus:9.0::baseos | kernel | - | 0:5.14.0-70.97.1.el9_0 | fixed |
| Red Hat:rhel_eus:8.8::baseos | kernel | - | 0:4.18.0-477.55.1.el8_8 | fixed |