CVE-2026-22990
kernel-default-baseVulnerabilityCVSS 7.5Patched
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 : 7.5 HIGH
Attack vectorNetwork (remote)
Attack complexityLow
Privileges requiredNone
User interactionNone
ScopeUnchanged
Confidentiality impactNone
Integrity impactNone
Availability impactHigh
Vector: AV:N/AC:L/PR:N/UI:N/S:U/C:N/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 |
|---|---|---|---|---|
| SUSE:Linux Enterprise Module for Basesystem 15 SP7 | kernel-default-base | - | 6.4.0-150700.53.31.1.150700.17.21.1 | fixed |
| SUSE:Linux Micro 6.0 | kernel-default-base | - | 6.4.0-39.1.21.16 | fixed |
| SUSE:Linux Micro 6.1 | kernel-default-base | - | 6.4.0-39.1.21.16 | fixed |
| SUSE:Linux Micro 6.2 | kernel-default-base | - | 6.12.0-160000.26.1.160000.2.7 | fixed |
| SUSE:Linux Enterprise Server 16.0 | kernel-default-base | - | 6.12.0-160000.26.1.160000.2.7 | fixed |
| SUSE:Linux Enterprise Server for SAP applications 16.0 | kernel-default-base | - | 6.12.0-160000.26.1.160000.2.7 | fixed |
| openSUSE:Leap 16.0 | kernel-default | - | 6.12.0-160000.26.1 | fixed |
| openSUSE:Leap 16.0 | kernel-default-base | - | 6.12.0-160000.26.1.160000.2.7 | fixed |