RHSA-2025:22387: Security update for 12 packages

RHSA-2025:22387, released December 1, 2025, fixes 7 CVEs across 12 products. 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

0.0059

48th percentile

Priority of the 7 CVEs

Patch now 0
                                Urgent 1
                                High 6
                                Routine 0

Fixed package versions

Product	Release	Fixed in
kernel-rt	RHEL 8	0:4.18.0-553.87.1.rt7.428.el8_10
kernel-rt-core	RHEL 8	0:4.18.0-553.87.1.rt7.428.el8_10
kernel-rt-debug	RHEL 8	0:4.18.0-553.87.1.rt7.428.el8_10
kernel-rt-debug-core	RHEL 8	0:4.18.0-553.87.1.rt7.428.el8_10
kernel-rt-debug-devel	RHEL 8	0:4.18.0-553.87.1.rt7.428.el8_10
kernel-rt-debug-kvm	RHEL 8	0:4.18.0-553.87.1.rt7.428.el8_10
kernel-rt-debug-modules	RHEL 8	0:4.18.0-553.87.1.rt7.428.el8_10
kernel-rt-debug-modules-extra	RHEL 8	0:4.18.0-553.87.1.rt7.428.el8_10
kernel-rt-devel	RHEL 8	0:4.18.0-553.87.1.rt7.428.el8_10
kernel-rt-kvm	RHEL 8	0:4.18.0-553.87.1.rt7.428.el8_10
kernel-rt-modules	RHEL 8	0:4.18.0-553.87.1.rt7.428.el8_10
kernel-rt-modules-extra	RHEL 8	0:4.18.0-553.87.1.rt7.428.el8_10

CVEs this fix closes

Priority	CVE	Title	CVSS	EPSS	Exploitation
Urgent	CVE-2025-39898	e1000e: fix heap overflow in e1000_set_eeprom	9.8	n/a	None reported
High	CVE-2025-40186	linux: In the Linux kernel, the following vulnerability has been resolved: tcp: Don't call reqsk_fastopen_remove() in tcp_c...	8.1	0.0059	None reported
High	CVE-2025-38724	nfsd: handle get_client_locked() failure in nfsd4_setclientid_confirm()	7.8	0.0041	None reported
High	CVE-2025-39955	tcp: Clear tcp_sk(sk)->fastopen_rsk in tcp_disconnect().	7.8	0.0017	None reported
High	CVE-2025-39883	mm/memory-failure: fix VM_BUG_ON_PAGE(PagePoisoned(page)) when unpoison memory	7.6	0.0016	None reported
High	CVE-2023-53513	kernel-rt-debug: The kernel-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high...	7.6	0.0015	None reported
High	CVE-2025-39825	smb: client: fix race with concurrent opens in rename(2)	7.6	0.0012	None reported

Also fixes CVE-2025-39898

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
ALAS2023-2025-1223
bpftool, bpftool-debuginfo, kernel and 19 more on amzn 2023
ALAS2023-2025-1208
bpftool6.12, bpftool6.12-debuginfo, kernel-livepatch-6.12.46-66.121 and 19 more on amzn 2023
SUSE-SU-2025:4057-1
kernel-64kb, kernel-default, kernel-default-base and 6 more on sles 15.7
ALSA-2025:22387
kernel-rt, kernel-rt-core, kernel-rt-debug and 7 more on almalinux 8
ALSA-2025:22388
bpftool, kernel, kernel-abi-stablelists and 22 more on almalinux 8
RHSA-2025:22388
bpftool, kernel, kernel-abi-stablelists and 20 more on RHEL 8

Vendor advisory

https://access.redhat.com/errata/RHSA-2025:22387

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