CVE-2025-39817
high
CVSS v3
7.1
CVSS v4 NEW
—
VIR risk
7.1
Description
RHSA-2025:19103: kernel-rt security update (Moderate)
Predictions
Exploit likelihood
70%
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 | | |
| debian | bookworm | fixed | 6.1.153-1 |
| debian | bullseye | fixed | 5.10.244-1 |
| debian | forky | fixed | 6.16.5-1 |
| debian | sid | fixed | 6.16.5-1 |
| debian | trixie | fixed | 6.12.48-1 |
| linux-kernel | affected | 5.4.298 | |
| linux-kernel | 6.17 | affected | |
| debian | 11.0 | affected | |
| almalinux | 9 | fixed | kernel-devel-5.14.0-570.55.1.el9_6.aarch64.rpm |
| rhel | 8 | fixed | |
References
- https://access.redhat.com/errata/RHSA-2025:18281
- https://access.redhat.com/errata/RHSA-2025:21112
- https://git.kernel.org/stable/c/0f63fbabeaaaaaaf5b742a2f4c1b4590d50bf1f6
- https://git.kernel.org/stable/c/568e7761279b99c6daa3002290fd6d8047ddb6d2
- https://git.kernel.org/stable/c/71581a82f38e5a4d807d71fc1bb59aead80ccf95
- https://git.kernel.org/stable/c/794399019301944fd6d2e0d7a51b3327e26c410e
- https://git.kernel.org/stable/c/925599eba46045930b850a98ae594d2e3028ac40
- https://git.kernel.org/stable/c/a6358f8cf64850f3f27857b8ed8c1b08cfc4685c
- https://git.kernel.org/stable/c/c2925cd6207079c3f4d040d082515db78d63afbf
- https://git.kernel.org/stable/c/d7f5e35e70507d10cbaff5f9e194ed54c4ee14f7
- https://lists.debian.org/debian-lts-announce/2025/10/msg00007.html
- https://lists.debian.org/debian-lts-announce/2025/10/msg00008.html
- https://cert-portal.siemens.com/productcert/html/ssa-032379.html
- https://errata.rockylinux.org/RLSA-2025:19103
- https://errata.rockylinux.org/RLSA-2025:19102
- https://www.suse.com/security/cve/CVE-2025-39817.html
- https://security-tracker.debian.org/tracker/CVE-2025-39817
- https://access.redhat.com/errata/RHSA-2025:19102
- https://bugzilla.redhat.com/2395681
- https://bugzilla.redhat.com/2395805
- https://bugzilla.redhat.com/2396419
- https://bugzilla.redhat.com/2396431
- https://bugzilla.redhat.com/2396928
- https://bugzilla.redhat.com/2396944
- https://errata.almalinux.org/8/ALSA-2025-19102.html
CWEs
CWE-125
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.