CVE-2025-39971
medium
CVSS v3
—
CVSS v4 NEW
—
VIR risk
5.5
Description
RHSA-2025:21920: 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 |
|---|---|---|---|
| rocky | 8 | fixed | |
| rhel | 9 | fixed | |
| sles | affected | | |
| debian | bookworm | fixed | 6.1.158-1 |
| debian | bullseye | fixed | 5.10.247-1 |
| debian | forky | fixed | 6.16.10-1 |
| debian | sid | fixed | 6.16.10-1 |
| debian | trixie | fixed | 6.12.57-1 |
| rhel | 8 | fixed | |
References
- https://errata.rockylinux.org/RLSA-2025:21920
- https://errata.rockylinux.org/RLSA-2025:21917
- https://access.redhat.com/errata/RHSA-2025:21469
- https://www.suse.com/security/cve/CVE-2025-39971.html
- https://security-tracker.debian.org/tracker/CVE-2025-39971
- https://access.redhat.com/errata/RHSA-2025:21917
- https://bugzilla.redhat.com/2393481
- https://bugzilla.redhat.com/2404108
- https://errata.almalinux.org/8/ALSA-2025-21917.html
- https://access.redhat.com/errata/RHSA-2025:21920
- https://errata.almalinux.org/8/ALSA-2025-21920.html
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.