RLSA-2025:22854: kernel security update

RLSA-2025:22854, released December 14, 2025, fixes 9 CVEs in kernel (version 0:6.12.0-124.20.1.el10_1). None of them is reported as exploited. Patch Radar priority: Urgent.

Urgent

CVEs closed

1 rated Critical

Exploited

None reported

Highest CVSS

9.8

Base score, 0 to 10

Highest EPSS

0.0039

33rd percentile

Priority of the 9 CVEs

Patch now 0
                                Urgent 1
                                High 8
                                Routine 0

Fixed package versions

Product	Release	Fixed in
kernel	rocky 10	0:6.12.0-124.20.1.el10_1

CVEs this fix closes

Priority	CVE	Title	CVSS	EPSS	Exploitation
Urgent	CVE-2025-39925	can: j1939: implement NETDEV_UNREGISTER notification handler	9.8	0.0015	None reported
High	CVE-2025-38737	kernel: In the Linux kernel, the following vulnerability has been resolved: cifs: Fix oops due to uninitialised variable Fix...	7.8	0.0039	None reported
High	CVE-2025-39982	Bluetooth: hci_event: Fix UAF in hci_acl_create_conn_sync	8.8	0.0028	None reported
High	CVE-2025-39983	linux: In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hci_event: Fix UAF in hci_conn_tx_deq...	8.8	0.0025	None reported
High	CVE-2025-40185	kernel: The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fix(es): * kernel: n...	7.8	0.0021	None reported
High	CVE-2025-40058	linux: In the Linux kernel, the following vulnerability has been resolved: iommu/vt-d: Disallow dirty tracking if incoheren...	8.8	0.0016	None reported
High	CVE-2025-40047	linux: In the Linux kernel, the following vulnerability has been resolved: io_uring/waitid: always prune wait queue entry i...	7.8	0.0016	None reported
High	CVE-2025-39981	Bluetooth: MGMT: Fix possible UAFs	7.8	0.0015	None reported
High	CVE-2025-39979	linux: In the Linux kernel, the following vulnerability has been resolved: net/mlx5: fs, fix UAF in flow counter release F...	7.8	0.0015	None reported

Also fixes CVE-2025-39925

OPENSUSE-SU-2025:20081-1
dtb-aarch64, kernel-64kb, kernel-default and 9 more on opensuse-leap 16.0
SUSE-SU-2025:21139-1
kernel-64kb, kernel-default, kernel-default-base and 6 more on sles 16.0
SUSE-SU-2025:03634-1
kernel-azure, kernel-source-azure, kernel-syms-azure on opensuse-leap 15.6, sles 15.6
SUSE-SU-2025:3751-1
kernel-livepatch-SLE15-SP6-RT_Update_16, kernel-rt, kernel-rt_debug and 2 more on opensuse-leap 15.6, sles 15.6
SUSE-SU-2025:03600-1
dtb-aarch64, kernel-64kb, kernel-debug and 10 more on opensuse-leap 15.6, sles 15.6
SUSE-SU-2025:4057-1
kernel-64kb, kernel-default, kernel-default-base and 6 more on sles 15.7
SUSE-SU-2025:4141-1
kernel-livepatch-SLE15-SP7-RT_Update_6 on sles 15.7
SUSE-SU-2025:4132-1
kernel-azure, kernel-source-azure, kernel-syms-azure on sles 15.7

Vendor advisory

https://errata.rockylinux.org/RLSA-2025:22854

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