CVE-2021-4204
linuxVulnerabilityCVSS 7.1Patched
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 : 7.1 HIGH
Attack vectorLocal
Attack complexityLow
Privileges requiredLow
User interactionNone
ScopeUnchanged
Confidentiality impactHigh
Integrity impactNone
Availability impactHigh
Vector: AV:L/AC:L/PR:L/UI:N/S:U/C:H/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 | - | - | affected (no fix yet) |
| Debian:12 | linux | - | 5.17.3-1 | fixed |
| Debian:13 | linux | - | 5.17.3-1 | fixed |
| Debian:14 | linux | - | 5.17.3-1 | 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 Micro 5.5 | kernel-default-base | - | 5.14.21-150500.55.80.2.150500.6.35.6 | fixed |
| SUSE:Linux Enterprise Module for Basesystem 15 SP5 | kernel-default-base | - | 5.14.21-150500.55.80.2.150500.6.35.6 | fixed |
| openSUSE:Leap Micro 5.5 | kernel-default-base | - | 5.14.21-150500.55.80.2.150500.6.35.6 | fixed |
| openSUSE:Leap 15.5 | kernel-default-base | - | 5.14.21-150500.55.80.2.150500.6.35.6 | 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 |
| SUSE:Linux Enterprise Micro 5.5 | kernel-default | - | 5.14.21-150500.55.80.2 | fixed |
| SUSE:Linux Enterprise Module for Basesystem 15 SP5 | kernel-default | - | 5.14.21-150500.55.80.2 | fixed |
| SUSE:Linux Enterprise Module for Legacy 15 SP5 | kernel-default | - | 5.14.21-150500.55.80.2 | fixed |
| SUSE:Linux Enterprise Live Patching 15 SP5 | kernel-default | - | 5.14.21-150500.55.80.2 | fixed |
| SUSE:Linux Enterprise High Availability Extension 15 SP5 | kernel-default | - | 5.14.21-150500.55.80.2 | fixed |
| SUSE:Linux Enterprise Workstation Extension 15 SP5 | kernel-default | - | 5.14.21-150500.55.80.2 | fixed |
| openSUSE:Leap Micro 5.5 | kernel-default | - | 5.14.21-150500.55.80.2 | fixed |
| openSUSE:Leap 15.5 | kernel-default | - | 5.14.21-150500.55.80.2 | fixed |
| Red Hat:rhel_eus:8.6::baseos | kernel | - | 0:4.18.0-372.91.1.el8_6 | fixed |
| Red Hat:rhel_eus:8.8::baseos | kernel | - | 0:4.18.0-477.81.1.el8_8 | fixed |
| Red Hat:enterprise_linux:8::baseos | kernel | - | 0:4.18.0-553.el8_10 | fixed |