CVE-2021-4028
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 | 5.15.7.hardened1-1 | - | affected (no fix yet) |
| Arch | linux-zen | 5.15.8.zen1-1 | - | affected (no fix yet) |
| Arch | linux | 5.15.8.arch1-1 | - | affected (no fix yet) |
| Arch | linux-lts | 5.10.85-1 | 5.15.2-1 | fixed |
| Debian:11 | linux | - | 5.10.84-1 | fixed |
| Debian:12 | linux | - | 5.14.12-1 | fixed |
| Debian:13 | linux | - | 5.14.12-1 | fixed |
| Debian:14 | linux | - | 5.14.12-1 | fixed |
| Red Hat:rhel_eus:8.2::baseos | kernel | - | 0:4.18.0-193.75.1.el8_2 | fixed |
| Red Hat:rhel_eus:8.4::baseos | kernel | - | 0:4.18.0-305.40.1.el8_4 | fixed |
| Red Hat:rhel_e4s:8.1::baseos | kernel | - | 0:4.18.0-147.64.1.el8_1 | fixed |
| Red Hat:enterprise_linux:7::client | kernel | - | 0:3.10.0-1160.62.1.el7 | fixed |
| Red Hat:enterprise_linux:7::server | kernel | - | 0:3.10.0-1160.62.1.el7 | fixed |
| Red Hat:enterprise_linux:7::workstation | kernel | - | 0:3.10.0-1160.62.1.el7 | fixed |
| Red Hat:rhel_aus:7.7::server | kernel | - | 0:3.10.0-1062.66.1.el7 | fixed |
| Red Hat:rhel_e4s:7.7::server | kernel | - | 0:3.10.0-1062.66.1.el7 | fixed |
| Red Hat:rhel_tus:7.7::server | kernel | - | 0:3.10.0-1062.66.1.el7 | fixed |
| Red Hat:enterprise_linux:8::baseos | kernel | - | 0:4.18.0-348.23.1.el8_5 | fixed |
| Red Hat:rhel_aus:7.6::server | kernel | - | 0:3.10.0-957.94.1.el7 | fixed |
| Red Hat:rhel_e4s:7.6::server | kernel | - | 0:3.10.0-957.94.1.el7 | fixed |
| Red Hat:rhel_tus:7.6::server | kernel | - | 0:3.10.0-957.94.1.el7 | fixed |
| Red Hat:rhel_aus:7.4::server | kernel | - | 0:3.10.0-693.100.1.el7 | fixed |
| Red Hat:rhel_aus:7.3::server | kernel | - | 0:3.10.0-514.101.1.el7 | fixed |