CVE-2021-4001
linux-ltsVulnerabilityCVSS 4.1Patched
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 : 4.1 MEDIUM · CVSS 2.0 : 4.7 MEDIUM
Attack vectorLocal
Attack complexityHigh
Privileges requiredHigh
User interactionNone
ScopeUnchanged
Confidentiality impactNone
Integrity impactHigh
Availability impactNone
Vector: AV:L/AC:H/PR:H/UI:N/S:U/C:N/I:H/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-lts | 5.10.82-1 | 5.10.83-1 | fixed |
| Arch | linux-hardened | 5.14.21.hardened1-1 | 5.15.5.hardened1-1 | fixed |
| Arch | linux-zen | 5.15.4.zen1-1 | 5.15.5.zen1-1 | fixed |
| Arch | linux | 5.15.4.arch1-1 | 5.15.5.arch1-1 | fixed |
| Debian:11 | linux | - | 5.10.84-1 | fixed |
| Debian:12 | linux | - | 5.15.5-1 | fixed |
| Debian:13 | linux | - | 5.15.5-1 | fixed |
| Debian:14 | linux | - | 5.15.5-1 | fixed |
| SUSE:Linux Enterprise Module for Basesystem 15 SP3 | kernel-default-base | - | 5.3.18-59.40.1.18.25.1 | fixed |
| SUSE:Linux Enterprise Micro 5.1 | kernel-default-base | - | 5.3.18-59.40.1.18.25.1 | fixed |
| SUSE:Linux Enterprise High Performance Computing 15 SP2-ESPOS | kernel-default-base | - | 5.3.18-24.99.1.9.46.1 | fixed |
| SUSE:Linux Enterprise High Performance Computing 15 SP2-LTSS | kernel-default-base | - | 5.3.18-24.99.1.9.46.1 | fixed |
| SUSE:Linux Enterprise Server 15 SP2-BCL | kernel-default-base | - | 5.3.18-24.99.1.9.46.1 | fixed |
| SUSE:Linux Enterprise Server 15 SP2-LTSS | kernel-default-base | - | 5.3.18-24.99.1.9.46.1 | fixed |
| SUSE:Linux Enterprise Server for SAP Applications 15 SP2 | kernel-default-base | - | 5.3.18-24.99.1.9.46.1 | fixed |
| SUSE:Manager Proxy 4.1 | kernel-default-base | - | 5.3.18-24.99.1.9.46.1 | fixed |
| SUSE:Manager Retail Branch Server 4.1 | kernel-default-base | - | 5.3.18-24.99.1.9.46.1 | fixed |
| SUSE:Manager Server 4.1 | kernel-default-base | - | 5.3.18-24.99.1.9.46.1 | fixed |
| SUSE:Linux Enterprise Micro 5.0 | kernel-default-base | - | 5.3.18-24.99.1.9.46.1 | fixed |
| SUSE:Enterprise Storage 7 | kernel-default-base | - | 5.3.18-24.99.1.9.46.1 | fixed |
| openSUSE:Leap 15.3 | kernel-default | - | 5.3.18-59.40.1 | fixed |
| openSUSE:Leap 15.3 | kernel-default-base | - | 5.3.18-59.40.1.18.25.1 | fixed |