ELSA-2026-66180-0: Security update for 29 packages

ELSA-2026-66180-0, released September 10, 2026, fixes 17 CVEs across 29 products. None of them is reported as exploited. Patch Radar priority: Urgent.

Urgent

CVEs closed

2 rated Critical

Exploited

None reported

Highest CVSS

9.8

Base score, 0 to 10

Highest EPSS

0.0071

54th percentile

Priority of the 17 CVEs

Patch now 0
                                Urgent 2
                                High 15
                                Routine 0

Fixed package versions

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

CVEs this fix closes

Priority	CVE	Title	CVSS	EPSS	Exploitation
Urgent	CVE-2026-46266	kernel-default: inet: RAW sockets using IPPROTO_RAW MUST drop incoming ICMP (bsc#1267684).	9.1	0.0047	None reported
Urgent	CVE-2026-53002	netfilter: conntrack: remove sprintf usage	9.8	0.0037	None reported
High	CVE-2026-72129	bpftool: ELSA-2026-500249: Unbreakable Enterprise kernel security update (IMPORTANT)	9.8	0.0071	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-64kb: Security update for the Linux Kernel	8.1	0.0013	None reported
High	CVE-2026-64034	kernel-default: Security update for the Linux Kernel	9.3	0.0012	None reported

Also fixes CVE-2026-46266

SUSE-SU-2026:22835-1
kernel-64kb, kernel-azure, kernel-default and 7 more on sles 16.0
OPENSUSE-SU-2026:21388-1
dtb-aarch64, kernel-64kb, kernel-azure and 10 more on opensuse-leap 16.0
SUSE-SU-2026:2799-1
kernel-livepatch-SLE15-SP7-RT_Update_17 on sles 15.7
SUSE-SU-2026:2800-1
kernel-64kb, kernel-azure, kernel-default and 7 more on sles 15.7
SUSE-SU-2026:3156-1
kernel-default, kernel-default-base, kernel-docs and 4 more on sles 15.6
ALAS2023-2026-1543
bpftool6.12, bpftool6.12-debuginfo, kernel-livepatch-6.12.77-99.140 and 19 more on amzn 2023
RHSA-2026:68532
kernel-rt, kernel-rt-core, kernel-rt-debug and 9 more on RHEL 8
RLSA-2026:68532
kernel-rt on rocky 8

Vendor advisory

https://linux.oracle.com/errata/ELSA-2026-66180-0.html

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