CVE-2025-21905
medium
CVSS v3
—
CVSS v4 NEW
—
VIR risk
5.5
Description
RHSA-2025:11851: kernel-rt security update (Moderate)
Predictions
Exploit likelihood
20%
Patch ETA
—
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 — if you've already worked around this in production — publish your fix to the community-verified tier.
✚ Propose a mitigation on Community → 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
| OS | Version | Status | Fixed in |
|---|---|---|---|
| rhel | 9 | fixed | |
| rocky | 8 | fixed | |
| sles | affected | | |
| rocky | 9 | fixed | |
| debian | bookworm | fixed | 6.1.133-1 |
| debian | bullseye | fixed | 5.10.237-1 |
| debian | forky | fixed | 6.12.19-1 |
| debian | sid | fixed | 6.12.19-1 |
| debian | trixie | fixed | 6.12.19-1 |
| almalinux | 9 | fixed | perf-5.14.0-570.30.1.el9_6.aarch64.rpm |
| rhel | 8 | fixed | |
References
- https://access.redhat.com/errata/RHSA-2025:11861
- https://errata.rockylinux.org/RLSA-2025:11851
- https://errata.rockylinux.org/RLSA-2025:11850
- https://www.suse.com/security/cve/CVE-2025-21905.html
- https://errata.rockylinux.org/RLSA-2025:11861
- https://security-tracker.debian.org/tracker/CVE-2025-21905
- https://access.redhat.com/errata/RHSA-2025:11850
- https://bugzilla.redhat.com/2356613
- https://bugzilla.redhat.com/2356618
- https://bugzilla.redhat.com/2373574
- https://errata.almalinux.org/8/ALSA-2025-11850.html
- https://access.redhat.com/errata/RHSA-2025:11851
- https://errata.almalinux.org/8/ALSA-2025-11851.html
- https://bugzilla.redhat.com/2348599
- https://bugzilla.redhat.com/2360186
- https://bugzilla.redhat.com/2360199
- https://bugzilla.redhat.com/2360212
- https://bugzilla.redhat.com/2360219
- https://bugzilla.redhat.com/2363672
- https://bugzilla.redhat.com/2367572
- https://bugzilla.redhat.com/2375305
- https://bugzilla.redhat.com/2376035
- https://errata.almalinux.org/9/ALSA-2025-11861.html
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.