CVE-2021-20322
linuxVulnerabilityCVSS 7.4Patched
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 : 7.4 HIGH · CVSS 2.0 : 5.8 MEDIUM
Attack vectorNetwork (remote)
Attack complexityHigh
Privileges requiredNone
User interactionNone
ScopeUnchanged
Confidentiality impactHigh
Integrity impactHigh
Availability impactNone
Vector: AV:N/AC:H/PR:N/UI:N/S:U/C:H/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 |
|---|---|---|---|---|
| Debian:11 | linux | - | 5.10.70-1 | 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 |
| SUSE:Linux Enterprise Module for Basesystem 15 SP2 | kernel-default-base | - | 5.3.18-24.96.1.9.44.1 | fixed |
| SUSE:Linux Enterprise Micro 5.0 | kernel-default-base | - | 5.3.18-24.96.1.9.44.1 | fixed |
| SUSE:Linux Enterprise Module for Basesystem 15 SP3 | kernel-default-base | - | 5.3.18-59.37.2.18.23.3 | fixed |
| SUSE:Linux Enterprise Micro 5.1 | kernel-default-base | - | 5.3.18-59.37.2.18.23.3 | fixed |
| openSUSE:Leap 15.2 | kernel-default | - | 5.3.18-lp152.106.1 | fixed |
| openSUSE:Leap 15.3 | kernel-default | - | 4.12.14-197.102.2 | fixed |
| openSUSE:Leap 15.3 | kernel-default | - | 5.3.18-59.37.2 | fixed |
| openSUSE:Leap 15.2 | kernel-default-base | - | 5.3.18-lp152.106.1.lp152.8.52.1 | fixed |
| openSUSE:Leap 15.3 | kernel-default-base | - | 5.3.18-59.37.2.18.23.3 | fixed |
| Red Hat:enterprise_linux:8::baseos | kernel | - | 0:4.18.0-372.9.1.el8 | fixed |
| Red Hat:rhel_eus:8.4::baseos | kernel | - | 0:4.18.0-305.49.1.el8_4 | fixed |