CVE-2025-39981
high
CVSS v3
—
CVSS v4 NEW
—
VIR risk
8.0
Description
Important: kernel-rt security update
Predictions
Exploit likelihood
20%
Patch ETA
—
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
Mitigation details
Source: Red Hat Errata — Red Hat Inc. · View original ↗ · Open-Errata-API
Description kernel: Bluetooth: MGMT: Fix possible UAFs Red Hat statement Ensure Bluetooth management interfaces are hardened or, if unused, disabled. CVSS v3: 7.3 (CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:H) Errata / fixed releases ProductPackageAdvisoryReleased Red Hat Enterprise Linux 10kernel-0:6.12.0-124.20.1.el10_1RHSA-2025:228542025-12-09T00:00:00Z Red Hat Enterprise Linux 10.0 Extended…
Description
kernel: Bluetooth: MGMT: Fix possible UAFs
Red Hat statement
Ensure Bluetooth management interfaces are hardened or, if unused, disabled.
CVSS v3: 7.3 (CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:H)
Errata / fixed releases
| Product | Package | Advisory | Released |
|---|---|---|---|
| Red Hat Enterprise Linux 10 | kernel-0:6.12.0-124.20.1.el10_1 | RHSA-2025:22854 | 2025-12-09T00:00:00Z |
| Red Hat Enterprise Linux 10.0 Extended Update Support | kernel-0:6.12.0-55.52.1.el10_0 | RHSA-2026:0271 | 2026-01-08T00:00:00Z |
| Red Hat Enterprise Linux 9 | kernel-0:5.14.0-611.11.1.el9_7 | RHSA-2025:22405 | 2025-12-01T00:00:00Z |
| Red Hat Enterprise Linux 9 | kernel-0:5.14.0-611.11.1.el9_7 | RHSA-2025:22405 | 2025-12-01T00:00:00Z |
| Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions | kernel-0:5.14.0-284.166.1.el9_2 | RHSA-2026:9644 | 2026-04-22T00:00:00Z |
| Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions | kernel-rt-0:5.14.0-284.166.1.rt14.451.el9_2 | RHSA-2026:9512 | 2026-04-22T00:00:00Z |
| Red Hat Enterprise Linux 9.4 Extended Update Support | kernel-0:5.14.0-427.121.1.el9_4 | RHSA-2026:10108 | 2026-04-23T00:00:00Z |
| Red Hat Enterprise Linux 9.6 Extended Update Support | kernel-0:5.14.0-570.77.1.el9_6 | RHSA-2026:0457 | 2026-01-12T00:00:00Z |
Package state
| Product | Package | State |
|---|---|---|
| Red Hat Enterprise Linux 6 | kernel | Not affected |
| Red Hat Enterprise Linux 7 | kernel | Not affected |
| Red Hat Enterprise Linux 7 | kernel-rt | Not affected |
| Red Hat Enterprise Linux 8 | kernel | Affected |
| Red Hat Enterprise Linux 8 | kernel-rt | Affected |
| Red Hat Enterprise Linux 9 | kernel-rt | Affected |
Apply commands
Apply RHSA-2025:22854 for Red Hat Enterprise Linux 10
yum update -y kernel
# or:
dnf upgrade -y kernelAffected
| Vendor | Product | Version |
|---|---|---|
| redhat | Red Hat Enterprise Linux 6 | Not affected |
| redhat | Red Hat Enterprise Linux 7 | Not affected |
| redhat | Red Hat Enterprise Linux 7 | Not affected |
| redhat | Red Hat Enterprise Linux 8 | Affected |
| redhat | Red Hat Enterprise Linux 8 | Affected |
| redhat | Red Hat Enterprise Linux 9 | Affected |
OS impact
| OS | Version | Status | Fixed in |
|---|---|---|---|
| rhel | 9 | fixed | |
| sles | affected | | |
| rocky | 9 | fixed | |
| debian | bookworm | affected | |
| debian | bullseye | fixed | 0 |
| debian | forky | fixed | 6.16.10-1 |
| debian | sid | fixed | 6.16.10-1 |
| debian | trixie | fixed | 6.12.63-1 |
| almalinux | 8 | fixed | kernel-doc-4.18.0-553.126.1.el8_10.noarch.rpm |
| almalinux | 9 | fixed | kernel-64k-debug-devel-5.14.0-611.11.1.el9_7.aarch64.rpm |
References
- https://access.redhat.com/errata/RHSA-2025:22405
- https://git.kernel.org/stable/c/0b60eb04b8524e1b4b3f07fea0d16fda9a677d9a
- https://git.kernel.org/stable/c/302a1f674c00dd5581ab8e493ef44767c5101aab
- https://git.kernel.org/stable/c/87a1f16f07c6c43771754075e08f45b41d237421
- https://git.kernel.org/stable/c/d71b98f253b079cbadc83266383f26fe7e9e103b
- https://www.suse.com/security/cve/CVE-2025-39981.html
- https://errata.rockylinux.org/RLSA-2025:22405
- https://security-tracker.debian.org/tracker/CVE-2025-39981
- https://bugzilla.redhat.com/2393172
- https://bugzilla.redhat.com/2396934
- https://bugzilla.redhat.com/2400598
- https://bugzilla.redhat.com/2400628
- https://bugzilla.redhat.com/2402699
- https://bugzilla.redhat.com/2404105
- https://bugzilla.redhat.com/2406776
- https://bugzilla.redhat.com/2414741
- https://errata.almalinux.org/9/ALSA-2025-22405.html
- https://access.redhat.com/errata/RHSA-2026:21706
- https://bugzilla.redhat.com/2422699
- https://bugzilla.redhat.com/2424879
- https://bugzilla.redhat.com/2429602
- https://bugzilla.redhat.com/2448594
- https://bugzilla.redhat.com/2448745
- https://bugzilla.redhat.com/2454810
- https://bugzilla.redhat.com/2455334
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.