CVE-2021-44879
linux-ltsVulnerabilityCVSS 5.5PatchedPoC
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 : 5.5 MEDIUM · CVSS 2.0 : 4.3 MEDIUM
Attack vectorLocal
Attack complexityLow
Privileges requiredNone
User interactionRequired
ScopeUnchanged
Confidentiality impactNone
Integrity impactNone
Availability impactHigh
Vector: AV:L/AC:L/PR:N/UI:R/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 |
|---|---|---|---|---|
| Arch | linux-lts | 5.15.14-1 | - | affected (no fix yet) |
| Debian:11 | linux | - | 5.10.205-2 | fixed |
| Debian:12 | linux | - | 5.16.7-1 | fixed |
| Debian:13 | linux | - | 5.16.7-1 | fixed |
| Debian:14 | linux | - | 5.16.7-1 | fixed |
| SUSE:Linux Enterprise High Performance Computing 15 SP2-ESPOS | kernel-default-base | - | 5.3.18-24.107.1.9.50.2 | fixed |
| SUSE:Linux Enterprise High Performance Computing 15 SP2-LTSS | kernel-default-base | - | 5.3.18-24.107.1.9.50.2 | fixed |
| SUSE:Linux Enterprise Real Time 15 SP2 | kernel-default-base | - | 5.3.18-24.107.1.9.50.2 | fixed |
| SUSE:Linux Enterprise Server 15 SP2-BCL | kernel-default-base | - | 5.3.18-24.107.1.9.50.2 | fixed |
| SUSE:Linux Enterprise Server 15 SP2-LTSS | kernel-default-base | - | 5.3.18-24.107.1.9.50.2 | fixed |
| SUSE:Linux Enterprise Server for SAP Applications 15 SP2 | kernel-default-base | - | 5.3.18-24.107.1.9.50.2 | fixed |
| SUSE:Manager Proxy 4.1 | kernel-default-base | - | 5.3.18-24.107.1.9.50.2 | fixed |
| SUSE:Manager Retail Branch Server 4.1 | kernel-default-base | - | 5.3.18-24.107.1.9.50.2 | fixed |
| SUSE:Manager Server 4.1 | kernel-default-base | - | 5.3.18-24.107.1.9.50.2 | fixed |
| SUSE:Linux Enterprise Micro 5.0 | kernel-default-base | - | 5.3.18-24.107.1.9.50.2 | fixed |
| SUSE:Enterprise Storage 7 | kernel-default-base | - | 5.3.18-24.107.1.9.50.2 | fixed |
| SUSE:Linux Enterprise Module for Basesystem 15 SP3 | kernel-default-base | - | 5.3.18-150300.59.60.4.150300.18.37.5 | fixed |
| SUSE:Linux Enterprise Micro 5.1 | kernel-default-base | - | 5.3.18-150300.59.60.4.150300.18.37.5 | fixed |
| SUSE:Linux Enterprise Module for Basesystem 15 SP4 | kernel-default-base | - | 5.14.21-150400.24.11.1.150400.24.3.6 | fixed |
| openSUSE:Leap 15.4 | kernel-default-base | - | 5.14.21-150400.24.11.1.150400.24.3.6 | fixed |
| SUSE:Linux Enterprise Module for Basesystem 15 SP4 | kernel-default | - | 5.14.21-150400.24.11.1 | fixed |
| SUSE:Linux Enterprise Module for Legacy 15 SP4 | kernel-default | - | 5.14.21-150400.24.11.1 | fixed |
| SUSE:Linux Enterprise Live Patching 15 SP4 | kernel-default | - | 5.14.21-150400.24.11.1 | fixed |
| SUSE:Linux Enterprise High Availability Extension 15 SP4 | kernel-default | - | 5.14.21-150400.24.11.1 | fixed |
| SUSE:Linux Enterprise Workstation Extension 15 SP4 | kernel-default | - | 5.14.21-150400.24.11.1 | fixed |
| openSUSE:Leap 15.4 | kernel-default | - | 5.14.21-150400.24.11.1 | fixed |
| openSUSE:Leap 15.3 | kernel-default | - | 4.12.14-197.108.1 | fixed |
| openSUSE:Leap 15.3 | kernel-default | - | 5.3.18-150300.59.60.4 | fixed |
| openSUSE:Leap 15.3 | kernel-default-base | - | 5.3.18-150300.59.60.4.150300.18.37.5 | fixed |