CVE-2021-3656
linux-hardenedVulnerabilityPatched
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.
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-hardened | 5.12.19.hardened1-1 | 5.13.13.hardened1-1 | fixed |
| Arch | linux-lts | 5.10.56-1 | 5.10.60-1 | fixed |
| Arch | linux-zen | 5.13.10.zen1-1 | 5.13.12.zen1-1 | fixed |
| Arch | linux | 5.13.10.arch1-1 | 5.13.12.arch1-1 | fixed |
| Debian:11 | linux | - | 5.10.46-5 | fixed |
| Debian:12 | linux | - | 5.14.6-1 | fixed |
| Debian:13 | linux | - | 5.14.6-1 | fixed |
| Debian:14 | linux | - | 5.14.6-1 | fixed |
| Ubuntu:Pro:16.04:LTS | linux | - | 4.4.0-214.246 | fixed |
| Ubuntu:Pro:18.04:LTS | linux | - | 4.15.0-156.163 | fixed |
| Ubuntu:Pro:20.04:LTS | linux | - | 5.4.0-84.94 | fixed |
| SUSE:Linux Enterprise Module for Basesystem 15 SP3 | kernel-default-base | - | 5.3.18-59.24.1.18.12.1 | fixed |
| SUSE:Linux Enterprise Micro 5.1 | kernel-default-base | - | 5.3.18-59.24.1.18.12.1 | fixed |
| SUSE:Linux Enterprise Module for Basesystem 15 SP2 | kernel-default-base | - | 5.3.18-24.83.2.9.38.3 | fixed |
| SUSE:Linux Enterprise Micro 5.0 | kernel-default-base | - | 5.3.18-24.83.2.9.38.3 | fixed |
| openSUSE:Leap 15.2 | kernel-default | - | 5.3.18-lp152.92.2 | fixed |
| openSUSE:Leap 15.3 | kernel-default | - | 5.3.18-59.24.1 | fixed |
| openSUSE:Leap 15.3 | kernel-default | - | 4.12.14-197.102.2 | fixed |
| openSUSE:Leap 15.2 | kernel-default-base | - | 5.3.18-lp152.92.2.lp152.8.42.3 | fixed |
| openSUSE:Leap 15.3 | kernel-default-base | - | 5.3.18-59.24.1.18.12.1 | fixed |
| Red Hat:rhel_eus:8.1::baseos | kernel | - | 0:4.18.0-147.56.1.el8_1 | fixed |
| Red Hat:enterprise_linux:7::client | kernel | - | 0:3.10.0-1160.45.1.el7 | fixed |
| Red Hat:enterprise_linux:7::server | kernel | - | 0:3.10.0-1160.45.1.el7 | fixed |
| Red Hat:enterprise_linux:7::workstation | kernel | - | 0:3.10.0-1160.45.1.el7 | fixed |
| Red Hat:rhel_aus:7.6::server | kernel | - | 0:3.10.0-957.84.1.el7 | fixed |
| Red Hat:rhel_e4s:7.6::server | kernel | - | 0:3.10.0-957.84.1.el7 | fixed |
| Red Hat:rhel_tus:7.6::server | kernel | - | 0:3.10.0-957.84.1.el7 | fixed |
| Red Hat:rhel_eus:8.2::baseos | kernel | - | 0:4.18.0-193.68.1.el8_2 | fixed |
| Red Hat:rhel_aus:7.7::server | kernel | - | 0:3.10.0-1062.59.1.el7 | fixed |
| Red Hat:rhel_e4s:7.7::server | kernel | - | 0:3.10.0-1062.59.1.el7 | fixed |
| Red Hat:rhel_tus:7.7::server | kernel | - | 0:3.10.0-1062.59.1.el7 | fixed |
| Red Hat:enterprise_linux:8::baseos | kernel | - | 0:4.18.0-305.25.1.el8_4 | fixed |