CVE-2021-47188
noyau Linux de Debian LTSVulnerabilityCVSS 5.5Patched
De multiples vulnérabilités ont été découvertes dans le noyau Linux de Debian LTS. Certaines d'entre elles permettent à un attaquant de provoquer une élévation de privilèges, une atteinte à la confidentialité des données et un déni de service.
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 : 5.5 MEDIUM
Attack vectorLocal
Attack complexityLow
Privileges requiredLow
User interactionNone
ScopeUnchanged
Confidentiality impactNone
Integrity impactNone
Availability impactHigh
Vector: AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Key points
- CVE : CVE-2021-47188, CVE-2021-47211, CVE-2022-48703, CVE-2022-49135...
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 | - | 5.10.259-1 | 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 Micro 5.3 | kernel-default-base | - | 5.14.21-150400.24.119.1.150400.24.56.1 | fixed |
| SUSE:Linux Enterprise Micro 5.4 | kernel-default-base | - | 5.14.21-150400.24.119.1.150400.24.56.1 | fixed |
| SUSE:Linux Enterprise High Performance Computing 15 SP4-ESPOS | kernel-default-base | - | 5.14.21-150400.24.119.1.150400.24.56.1 | fixed |
| SUSE:Linux Enterprise High Performance Computing 15 SP4-LTSS | kernel-default-base | - | 5.14.21-150400.24.119.1.150400.24.56.1 | fixed |
| SUSE:Linux Enterprise Server 15 SP4-LTSS | kernel-default-base | - | 5.14.21-150400.24.119.1.150400.24.56.1 | fixed |
| SUSE:Linux Enterprise Server for SAP Applications 15 SP4 | kernel-default-base | - | 5.14.21-150400.24.119.1.150400.24.56.1 | fixed |
| SUSE:Manager Proxy 4.3 | kernel-default-base | - | 5.14.21-150400.24.119.1.150400.24.56.1 | fixed |
| SUSE:Manager Server 4.3 | kernel-default-base | - | 5.14.21-150400.24.119.1.150400.24.56.1 | fixed |
| openSUSE:Leap Micro 5.3 | kernel-default-base | - | 5.14.21-150400.24.119.1.150400.24.56.1 | fixed |
| openSUSE:Leap Micro 5.4 | kernel-default-base | - | 5.14.21-150400.24.119.1.150400.24.56.1 | fixed |
| SUSE:Linux Enterprise Micro 5.5 | kernel-default-base | - | 5.14.21-150500.55.62.2.150500.6.27.2 | fixed |
| SUSE:Linux Enterprise Module for Basesystem 15 SP5 | kernel-default-base | - | 5.14.21-150500.55.62.2.150500.6.27.2 | fixed |
| openSUSE:Leap 15.5 | kernel-default-base | - | 5.14.21-150500.55.62.2.150500.6.27.2 | fixed |
| SUSE:Linux Enterprise Micro 5.3 | kernel-default | - | 5.14.21-150400.24.119.1 | fixed |
| SUSE:Linux Enterprise Micro 5.4 | kernel-default | - | 5.14.21-150400.24.119.1 | fixed |
| SUSE:Linux Enterprise Live Patching 15 SP4 | kernel-default | - | 5.14.21-150400.24.119.1 | fixed |
| SUSE:Linux Enterprise High Availability Extension 15 SP4 | kernel-default | - | 5.14.21-150400.24.119.1 | fixed |
| SUSE:Linux Enterprise High Performance Computing 15 SP4-ESPOS | kernel-default | - | 5.14.21-150400.24.119.1 | fixed |
| SUSE:Linux Enterprise High Performance Computing 15 SP4-LTSS | kernel-default | - | 5.14.21-150400.24.119.1 | fixed |
| SUSE:Linux Enterprise Server 15 SP4-LTSS | kernel-default | - | 5.14.21-150400.24.119.1 | fixed |
| SUSE:Linux Enterprise Server for SAP Applications 15 SP4 | kernel-default | - | 5.14.21-150400.24.119.1 | fixed |
| SUSE:Manager Proxy 4.3 | kernel-default | - | 5.14.21-150400.24.119.1 | fixed |
| SUSE:Manager Server 4.3 | kernel-default | - | 5.14.21-150400.24.119.1 | fixed |
| openSUSE:Leap Micro 5.3 | kernel-default | - | 5.14.21-150400.24.119.1 | fixed |
| openSUSE:Leap Micro 5.4 | kernel-default | - | 5.14.21-150400.24.119.1 | fixed |
| SUSE:Linux Enterprise Micro 5.5 | kernel-default | - | 5.14.21-150500.55.62.2 | fixed |
| SUSE:Linux Enterprise Module for Basesystem 15 SP5 | kernel-default | - | 5.14.21-150500.55.62.2 | fixed |
| SUSE:Linux Enterprise Module for Legacy 15 SP5 | kernel-default | - | 5.14.21-150500.55.62.2 | fixed |
| SUSE:Linux Enterprise Live Patching 15 SP5 | kernel-default | - | 5.14.21-150500.55.62.2 | fixed |
| SUSE:Linux Enterprise High Availability Extension 15 SP5 | kernel-default | - | 5.14.21-150500.55.62.2 | fixed |
| SUSE:Linux Enterprise Workstation Extension 15 SP5 | kernel-default | - | 5.14.21-150500.55.62.2 | fixed |
| openSUSE:Leap 15.5 | kernel-default | - | 5.14.21-150500.55.62.2 | fixed |