CVE-2025-40248
high
CVSS v3
—
CVSS v4 NEW
—
VIR risk
8.0
Description
Important: kernel security update
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
SUSE Affected 1 release
| Version | Status | Fixed in |
|---|---|---|
| — | Affected | — |
AlmaLinux Fixed 1 release
| Version | Status | Fixed in |
|---|---|---|
| 9 | Fixed | kernel-64k-debug-devel-5.14.0-611.26.1.el9_7.aarch64.rpm |
Debian Fixed 5 releases
| Version | Status | Fixed in |
|---|---|---|
| trixie | Fixed | 6.12.63-1 |
| sid | Fixed | 6.17.10-1 |
| forky | Fixed | 6.17.10-1 |
| bullseye | Fixed | 5.10.247-1 |
| bookworm | Fixed | 6.1.159-1 |
Red Hat Fixed 2 releases
| Version | Status | Fixed in |
|---|---|---|
| 9 | Fixed | — |
| 8 | Fixed | — |
Rocky Linux Fixed 2 releases
| Version | Status | Fixed in |
|---|---|---|
| 9 | Fixed | — |
| 8 | Fixed | — |
References
- https://errata.rockylinux.org/RLSA-2026:1148
- https://errata.rockylinux.org/RLSA-2026:1142
- https://access.redhat.com/errata/RHSA-2026:1143
- https://access.redhat.com/errata/RHSA-2026:3987
- https://www.suse.com/security/cve/CVE-2025-40248.html
- https://errata.rockylinux.org/RLSA-2026:1143
- https://security-tracker.debian.org/tracker/CVE-2025-40248
- https://access.redhat.com/errata/RHSA-2026:1142
- https://bugzilla.redhat.com/2402193
- https://bugzilla.redhat.com/2414494
- https://bugzilla.redhat.com/2418872
- https://bugzilla.redhat.com/2419954
- https://errata.almalinux.org/8/ALSA-2026-1142.html
- https://access.redhat.com/errata/RHSA-2026:1148
- https://errata.almalinux.org/8/ALSA-2026-1148.html
- https://bugzilla.redhat.com/2376052
- https://bugzilla.redhat.com/2381870
- https://bugzilla.redhat.com/2393488
- https://bugzilla.redhat.com/2418876
- https://bugzilla.redhat.com/2419891
- https://bugzilla.redhat.com/2422836
- https://bugzilla.redhat.com/2422840
- https://errata.almalinux.org/9/ALSA-2026-1143.html
- https://access.redhat.com/errata/RHSA-2026:3848
- https://git.kernel.org/stable/c/002541ef650b742a198e4be363881439bb9d86b4
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.