CVE-2025-39981

medium

Published 2025-12-01 · Modified 2025-12-08

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CVSS v3

—

CVSS v4 NEW

—

not yet in upstream

VIR risk

5.5

Description

Moderate: kernel 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

bash fix

Apply RHSA-2025:22854 for Red Hat Enterprise Linux 10

yum update -y kernel
# or:
dnf upgrade -y kernel

Affected

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

SUSE Affected 1 release

Version	Status	Fixed in
—	Affected	—

Debian Mixed 5 releases

Version	Status	Fixed in
trixie	Fixed	`6.12.63-1`
sid	Fixed	`6.16.10-1`
forky	Fixed	`6.16.10-1`
bullseye	Fixed	`0`
bookworm	Affected	—

AlmaLinux Fixed 2 releases

Version	Status	Fixed in
9	Fixed	`kernel-64k-debug-devel-5.14.0-611.11.1.el9_7.aarch64.rpm`
8	Fixed	`kernel-doc-4.18.0-553.126.1.el8_10.noarch.rpm`

Red Hat Fixed 2 releases

Version	Status	Fixed in
9	Fixed	—
8	Fixed	—

Rocky Linux Fixed 1 release

Version	Status	Fixed in
9	Fixed	—

References

Community-verified mitigations for this CVE will appear above when contributors publish them.

Verify integrity in audit chain (admin only). AS-IS.