CVE-2025-39849
high
CVSS v3
7.8
CVSS v4 NEW
—
VIR risk
7.8
Description
RHSA-2025:19103: kernel-rt security update (Moderate)
Predictions
Exploit likelihood
75%
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 | 0 |
| debian | forky | fixed | 6.16.6-1 |
| debian | sid | fixed | 6.16.6-1 |
| debian | trixie | fixed | 6.12.48-1 |
| linux-kernel | affected | 6.1.151 | |
| 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/31229145e6ba5ace3e9391113376fa05b7831ede
- https://git.kernel.org/stable/c/5cb7cab7adf9b1e6a99e2081b0e30e9e59d07523
- https://git.kernel.org/stable/c/62b635dcd69c4fde7ce1de4992d71420a37e51e3
- https://git.kernel.org/stable/c/8e751d46336205abc259ed3990e850a9843fb649
- https://git.kernel.org/stable/c/e472f59d02c82b511bc43a3f96d62ed08bf4537f
- 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-2025-39849.html
- https://security-tracker.debian.org/tracker/CVE-2025-39849
- 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
- https://access.redhat.com/errata/RHSA-2025:19103
- https://errata.almalinux.org/8/ALSA-2025-19103.html
- https://bugzilla.redhat.com/2360224
- https://bugzilla.redhat.com/2373539
CWEs
CWE-787
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.