RHSA-2026:66180: Security update for 72 packages

RHSA-2026:66180, released September 13, 2026, fixes 17 CVEs across 72 products. None of them is reported as exploited. Patch Radar priority: Urgent.

Urgent

CVEs closed

3 rated Critical

Exploited

None reported

Highest CVSS

9.8

Base score, 0 to 10

Highest EPSS

0.0071

53rd percentile

Priority of the 17 CVEs

Patch now 0
                                Urgent 3
                                High 14
                                Routine 0

Fixed package versions

Product	Release	Fixed in
kernel	RHEL 9	0:5.14.0-687.46.1.el9_8
kernel-64k	RHEL 9	0:5.14.0-687.46.1.el9_8
kernel-64k-core	RHEL 9	0:5.14.0-687.46.1.el9_8
kernel-64k-debug	RHEL 9	0:5.14.0-687.46.1.el9_8
kernel-64k-debug-core	RHEL 9	0:5.14.0-687.46.1.el9_8
kernel-64k-debug-devel	RHEL 9	0:5.14.0-687.46.1.el9_8
kernel-64k-debug-devel-matched	RHEL 9	0:5.14.0-687.46.1.el9_8
kernel-64k-debug-modules	RHEL 9	0:5.14.0-687.46.1.el9_8
kernel-64k-debug-modules-core	RHEL 9	0:5.14.0-687.46.1.el9_8
kernel-64k-debug-modules-extra	RHEL 9	0:5.14.0-687.46.1.el9_8
kernel-64k-devel	RHEL 9	0:5.14.0-687.46.1.el9_8
kernel-64k-devel-matched	RHEL 9	0:5.14.0-687.46.1.el9_8
kernel-64k-modules	RHEL 9	0:5.14.0-687.46.1.el9_8
kernel-64k-modules-core	RHEL 9	0:5.14.0-687.46.1.el9_8
kernel-64k-modules-extra	RHEL 9	0:5.14.0-687.46.1.el9_8
kernel-abi-stablelists	RHEL 9	0:5.14.0-687.46.1.el9_8
kernel-core	RHEL 9	0:5.14.0-687.46.1.el9_8
kernel-debug	RHEL 9	0:5.14.0-687.46.1.el9_8
kernel-debug-core	RHEL 9	0:5.14.0-687.46.1.el9_8
kernel-debug-devel	RHEL 9	0:5.14.0-687.46.1.el9_8
kernel-debug-devel-matched	RHEL 9	0:5.14.0-687.46.1.el9_8
kernel-debug-modules	RHEL 9	0:5.14.0-687.46.1.el9_8
kernel-debug-modules-core	RHEL 9	0:5.14.0-687.46.1.el9_8
kernel-debug-modules-extra	RHEL 9	0:5.14.0-687.46.1.el9_8
kernel-debug-uki-virt	RHEL 9	0:5.14.0-687.46.1.el9_8
kernel-devel	RHEL 9	0:5.14.0-687.46.1.el9_8
kernel-devel-matched	RHEL 9	0:5.14.0-687.46.1.el9_8
kernel-doc	RHEL 9	0:5.14.0-687.46.1.el9_8
kernel-modules	RHEL 9	0:5.14.0-687.46.1.el9_8
kernel-modules-core	RHEL 9	0:5.14.0-687.46.1.el9_8
kernel-modules-extra	RHEL 9	0:5.14.0-687.46.1.el9_8
kernel-rt	RHEL 9	0:5.14.0-687.46.1.el9_8
kernel-rt-64k	RHEL 9	0:5.14.0-687.46.1.el9_8
kernel-rt-64k-core	RHEL 9	0:5.14.0-687.46.1.el9_8
kernel-rt-64k-debug	RHEL 9	0:5.14.0-687.46.1.el9_8
kernel-rt-64k-debug-core	RHEL 9	0:5.14.0-687.46.1.el9_8
kernel-rt-64k-debug-devel	RHEL 9	0:5.14.0-687.46.1.el9_8
kernel-rt-64k-debug-modules	RHEL 9	0:5.14.0-687.46.1.el9_8
kernel-rt-64k-debug-modules-core	RHEL 9	0:5.14.0-687.46.1.el9_8
kernel-rt-64k-debug-modules-extra	RHEL 9	0:5.14.0-687.46.1.el9_8
kernel-rt-64k-devel	RHEL 9	0:5.14.0-687.46.1.el9_8
kernel-rt-64k-modules	RHEL 9	0:5.14.0-687.46.1.el9_8
kernel-rt-64k-modules-core	RHEL 9	0:5.14.0-687.46.1.el9_8
kernel-rt-64k-modules-extra	RHEL 9	0:5.14.0-687.46.1.el9_8
kernel-rt-core	RHEL 9	0:5.14.0-687.46.1.el9_8
kernel-rt-debug	RHEL 9	0:5.14.0-687.46.1.el9_8
kernel-rt-debug-core	RHEL 9	0:5.14.0-687.46.1.el9_8
kernel-rt-debug-devel	RHEL 9	0:5.14.0-687.46.1.el9_8
kernel-rt-debug-modules	RHEL 9	0:5.14.0-687.46.1.el9_8
kernel-rt-debug-modules-core	RHEL 9	0:5.14.0-687.46.1.el9_8
kernel-rt-debug-modules-extra	RHEL 9	0:5.14.0-687.46.1.el9_8
kernel-rt-devel	RHEL 9	0:5.14.0-687.46.1.el9_8
kernel-rt-modules	RHEL 9	0:5.14.0-687.46.1.el9_8
kernel-rt-modules-core	RHEL 9	0:5.14.0-687.46.1.el9_8
kernel-rt-modules-extra	RHEL 9	0:5.14.0-687.46.1.el9_8
kernel-tools	RHEL 9	0:5.14.0-687.46.1.el9_8
kernel-tools-libs	RHEL 9	0:5.14.0-687.46.1.el9_8
kernel-tools-libs-devel	RHEL 9	0:5.14.0-687.46.1.el9_8
kernel-uki-virt	RHEL 9	0:5.14.0-687.46.1.el9_8
kernel-uki-virt-addons	RHEL 9	0:5.14.0-687.46.1.el9_8
kernel-zfcpdump	RHEL 9	0:5.14.0-687.46.1.el9_8
kernel-zfcpdump-core	RHEL 9	0:5.14.0-687.46.1.el9_8
kernel-zfcpdump-devel	RHEL 9	0:5.14.0-687.46.1.el9_8
kernel-zfcpdump-devel-matched	RHEL 9	0:5.14.0-687.46.1.el9_8
kernel-zfcpdump-modules	RHEL 9	0:5.14.0-687.46.1.el9_8
kernel-zfcpdump-modules-core	RHEL 9	0:5.14.0-687.46.1.el9_8
kernel-zfcpdump-modules-extra	RHEL 9	0:5.14.0-687.46.1.el9_8
libperf	RHEL 9	0:5.14.0-687.46.1.el9_8
perf	RHEL 9	0:5.14.0-687.46.1.el9_8
python3-perf	RHEL 9	0:5.14.0-687.46.1.el9_8
rtla	RHEL 9	0:5.14.0-687.46.1.el9_8
rv	RHEL 9	0:5.14.0-687.46.1.el9_8

CVEs this fix closes

Priority	CVE	Title	CVSS	EPSS	Exploitation
Urgent	CVE-2026-72129	linux: In the Linux kernel, the following vulnerability has been resolved: nvmet-rdma: handle inline data with a nonzero of...	9.8	0.0071	None reported
Urgent	CVE-2026-46266	linux: In the Linux kernel, the following vulnerability has been resolved: inet: RAW sockets using IPPROTO_RAW MUST drop in...	9.1	0.0047	None reported
Urgent	CVE-2026-53002	netfilter: conntrack: remove sprintf usage	9.8	0.0037	None reported
High	CVE-2026-43493	crypto: pcrypt - Fix handling of MAY_BACKLOG requests	9.8	0.0068	None reported
High	CVE-2026-74480	net: bridge: stop fast-leave after deleting a port group	9.8	0.0058	None reported
High	CVE-2026-46306	flow_dissector: do not dissect PPPoE PFC frames	8.1	0.0045	None reported
High	CVE-2026-64597	smb: client: fix double-free in SMB2_close() replay	9.8	0.0036	None reported
High	CVE-2026-53275	ipv6: mcast: Fix use-after-free when processing MLD queries	8.8	0.0026	None reported
High	CVE-2026-53366	ipv4: account for fraggap on the paged allocation path	8.5	0.0017	None reported
High	CVE-2026-64563	rhashtable: clear stale iter->p on table restart	8.1	0.0017	None reported
High	CVE-2026-43339	kernel: In the Linux kernel, the following vulnerability has been resolved: ipv6: prevent possible UaF in addrconf_permanent_...	8.1	0.0016	None reported
High	CVE-2026-46330	Revert "net/smc: Introduce TCP ULP support"	8.1	0.0015	None reported
High	CVE-2026-46149	scsi: target: configfs: Bound snprintf() return in tg_pt_gp_members_show()	8.8	0.0014	None reported
High	CVE-2026-53223	kernel: In the Linux kernel, the following vulnerability has been resolved: net: guard timestamp cmsgs to real error queue sk...	8.1	0.0014	None reported
High	CVE-2026-46015	tcp: call sk_data_ready() after listener migration	8.1	0.0014	None reported
High	CVE-2026-43133	kernel: In the Linux kernel, the following vulnerability has been resolved: KVM: nSVM: Always use vmcb01 in VMLOAD/VMSAVE emu...	8.1	0.0013	None reported
High	CVE-2026-64034	kernel: The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fix(es): * kernel: K...	9.3	0.0012	None reported

Also fixes CVE-2026-72129

ELSA-2026-500248
kernel-uek, kernel-uek-core, kernel-uek-debug and 32 more on ol 10, ol 9
SUSE-SU-2026:4660-1
kernel-default, kernel-default-base, kernel-docs and 4 more on sles 15.6
ELSA-2026-500249
bpftool, kernel-uek, kernel-uek-container and 16 more on ol 8, ol 9
SUSE-SU-2026:4640-1
kernel-livepatch-SLE15-SP7-RT_Update_21 on sles 15.7
SUSE-SU-2026:4706-1
kernel-64kb, kernel-azure, kernel-default and 7 more on sles 15.7
OPENSUSE-SU-2026:22091-1
dtb-aarch64, kernel-64kb, kernel-azure and 10 more on opensuse-leap 16.0
SUSE-SU-2026:24197-1
kernel-default on sles 16.0
SUSE-SU-2026:24235-1
kernel-64kb, kernel-azure, kernel-default-base and 6 more on sles 16.0

Vendor advisory

https://access.redhat.com/errata/RHSA-2026:66180

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