CVE-2025-21727
high
CVSS v3
7.8
CVSS v4 NEW
—
VIR risk
7.8
Description
RHSA-2025:13590: 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 | | |
| rocky | 9 | fixed | |
| debian | bookworm | fixed | 6.1.129-1 |
| debian | bullseye | fixed | 5.10.237-1 |
| debian | forky | fixed | 6.12.13-1 |
| debian | sid | fixed | 6.12.13-1 |
| debian | trixie | fixed | 6.12.13-1 |
| linux-kernel | affected | 5.10.235 | |
| almalinux | 9 | fixed | kernel-64k-debug-devel-matched-5.14.0-570.32.1.el9_6.aarch64.rpm |
| rhel | 8 | fixed | |
References
- https://access.redhat.com/errata/RHSA-2025:12746
- https://access.redhat.com/errata/RHSA-2025:20518
- https://git.kernel.org/stable/c/0ae2f332cfd2d74cf3ce344ec9938cf3e29c3ccd
- https://git.kernel.org/stable/c/573ac9c70bf7885dc85d82fa44550581bfc3b738
- https://git.kernel.org/stable/c/80231f069240d52e98b6a317456c67b2eafd0781
- https://git.kernel.org/stable/c/bbccae982e9fa1d7abcb23a5ec81cb0ec883f7de
- https://git.kernel.org/stable/c/e01780ea4661172734118d2a5f41bc9720765668
- https://git.kernel.org/stable/c/f3e0b9f790f8e8065d59e67b565a83154d9f3079
- https://git.kernel.org/stable/c/f78170bee51469734b1a306a74fc5f777bb22ba6
- https://lists.debian.org/debian-lts-announce/2025/03/msg00028.html
- https://lists.debian.org/debian-lts-announce/2025/05/msg00030.html
- https://cert-portal.siemens.com/productcert/html/ssa-265688.html
- https://errata.rockylinux.org/RLSA-2025:13590
- https://errata.rockylinux.org/RLSA-2025:13589
- https://www.suse.com/security/cve/CVE-2025-21727.html
- https://errata.rockylinux.org/RLSA-2025:12746
- https://security-tracker.debian.org/tracker/CVE-2025-21727
- https://access.redhat.com/errata/RHSA-2025:13589
- https://bugzilla.redhat.com/2348516
- https://bugzilla.redhat.com/2348596
- https://bugzilla.redhat.com/2360786
- https://bugzilla.redhat.com/2375304
- https://bugzilla.redhat.com/2376064
- https://errata.almalinux.org/8/ALSA-2025-13589.html
- https://access.redhat.com/errata/RHSA-2025:13590
CWEs
CWE-416
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.