CVE-2025-21927
high
CVSS v3
โ
CVSS v4 NEW
โ
VIR risk
8.0
Description
Important: kernel security update
Predictions
Exploit likelihood
20%
Patch ETA
โ
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
No mitigations published for this CVE yet.
The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or โ if you've already worked around this in production โ publish your fix to the community-verified tier.
โ Propose a mitigation on Community โ Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here withsource_tier=community-verified.
OS impact
SUSE Affected 1 release
| Version | Status | Fixed in |
|---|---|---|
| โ | Affected | โ |
Debian Mixed 5 releases
| Version | Status | Fixed in |
|---|---|---|
| trixie | Fixed | 6.12.19-1 |
| sid | Fixed | 6.12.19-1 |
| forky | Fixed | 6.12.19-1 |
| bullseye | Affected | โ |
| bookworm | Affected | โ |
AlmaLinux Fixed 1 release
| Version | Status | Fixed in |
|---|---|---|
| 9 | Fixed | kernel-64k-debug-devel-5.14.0-570.16.1.el9_6.aarch64.rpm |
Red Hat Fixed 1 release
| Version | Status | Fixed in |
|---|---|---|
| 9 | Fixed | โ |
Rocky Linux Fixed 1 release
| Version | Status | Fixed in |
|---|---|---|
| 9 | Fixed | โ |
References
- https://access.redhat.com/errata/RHSA-2025:4341
- https://access.redhat.com/errata/RHSA-2025:4499
- https://access.redhat.com/errata/RHSA-2025:7423
- https://www.suse.com/security/cve/CVE-2025-21927.html
- https://errata.rockylinux.org/RLSA-2025:4341
- https://security-tracker.debian.org/tracker/CVE-2025-21927
- https://bugzilla.redhat.com/2338813
- https://bugzilla.redhat.com/2348565
- https://bugzilla.redhat.com/2348590
- https://bugzilla.redhat.com/2350364
- https://bugzilla.redhat.com/2356593
- https://bugzilla.redhat.com/2356908
- https://errata.almalinux.org/9/ALSA-2025-7423.html
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.