ELSA-2026-18587: Security update for 29 packages

ELSA-2026-18587, released June 29, 2026, fixes 14 CVEs across 29 products. None of them is reported as exploited. Patch Radar priority: High.

High

CVEs closed

None rated Critical

Exploited

None reported

Highest CVSS

7.8

Base score, 0 to 10

Highest EPSS

0.0043

37th percentile

Priority of the 14 CVEs

Patch now 0
                                Urgent 0
                                High 5
                                Routine 9

Fixed package versions

Product	Release	Fixed in
kernel	ol 9	0:5.14.0-687.17.1.el9_8
kernel-abi-stablelists	ol 9	0:5.14.0-687.17.1.el9_8
kernel-core	ol 9	0:5.14.0-687.17.1.el9_8
kernel-cross-headers	ol 9	0:5.14.0-687.17.1.el9_8
kernel-debug	ol 9	0:5.14.0-687.17.1.el9_8
kernel-debug-core	ol 9	0:5.14.0-687.17.1.el9_8
kernel-debug-devel	ol 9	0:5.14.0-687.17.1.el9_8
kernel-debug-devel-matched	ol 9	0:5.14.0-687.17.1.el9_8
kernel-debug-modules	ol 9	0:5.14.0-687.17.1.el9_8
kernel-debug-modules-core	ol 9	0:5.14.0-687.17.1.el9_8
kernel-debug-modules-extra	ol 9	0:5.14.0-687.17.1.el9_8
kernel-debug-uki-virt	ol 9	0:5.14.0-687.17.1.el9_8
kernel-devel	ol 9	0:5.14.0-687.17.1.el9_8
kernel-devel-matched	ol 9	0:5.14.0-687.17.1.el9_8
kernel-doc	ol 9	0:5.14.0-687.17.1.el9_8
kernel-headers	ol 9	0:5.14.0-687.17.1.el9_8
kernel-modules	ol 9	0:5.14.0-687.17.1.el9_8
kernel-modules-core	ol 9	0:5.14.0-687.17.1.el9_8
kernel-modules-extra	ol 9	0:5.14.0-687.17.1.el9_8
kernel-tools	ol 9	0:5.14.0-687.17.1.el9_8
kernel-tools-libs	ol 9	0:5.14.0-687.17.1.el9_8
kernel-tools-libs-devel	ol 9	0:5.14.0-687.17.1.el9_8
kernel-uki-virt	ol 9	0:5.14.0-687.17.1.el9_8
kernel-uki-virt-addons	ol 9	0:5.14.0-687.17.1.el9_8
libperf	ol 9	0:5.14.0-687.17.1.el9_8
perf	ol 9	0:5.14.0-687.17.1.el9_8
python3-perf	ol 9	0:5.14.0-687.17.1.el9_8
rtla	ol 9	0:5.14.0-687.17.1.el9_8
rv	ol 9	0:5.14.0-687.17.1.el9_8

CVEs this fix closes

Priority	CVE	Title	CVSS	EPSS	Exploitation
High	CVE-2025-39866	fs: writeback: fix use-after-free in __mark_inode_dirty()	7.8	0.0031	None reported
High	CVE-2025-38279	bpf: Do not include stack ptr register in precision backtracking bookkeeping	7.8	0.0024	None reported
High	CVE-2025-38015	kernel: The kernel packages contain the Linux kernel, the core of any Linux operating system	7.0	0.0020	None reported
High	CVE-2026-23243	RDMA/umad: Reject negative data_len in ib_umad_write	7.8	0.0018	None reported
High	CVE-2026-23040	linux: In the Linux kernel, the following vulnerability has been resolved: wifi: mac80211_hwsim: fix typo in frequency noti...	7.6	0.0017	None reported
Routine	CVE-2025-38405	kernel-debug-devel: The kernel packages contain the Linux kernel, the core of any Linux operating system	5.5	0.0043	None reported
Routine	CVE-2025-40134	kernel-64k-debug-modules-core: The kernel packages contain the Linux kernel, the core of any Linux operating system	4.7	0.0023	None reported
Routine	CVE-2025-38400	kernel-64kb: The SUSE Linux Enterprise 15 SP7 kernel was updated to receive various security bugfixes. The following security bug...	5.5	0.0022	None reported
Routine	CVE-2025-38470	net: vlan: fix VLAN 0 refcount imbalance of toggling filtering during runtime	5.5	0.0021	None reported
Routine	CVE-2025-38097	espintcp: remove encap socket caching to avoid reference leak	5.5	0.0021	None reported
Routine	CVE-2025-22105	kernel: In the Linux kernel, the following vulnerability has been resolved: bonding: check xdp prog when set bond mode Follow...	5.5	0.0020	None reported
Routine	CVE-2025-38166	bpf: fix ktls panic with sockmap	5.5	0.0020	None reported
Routine	CVE-2025-37980	block: fix resource leak in blk_register_queue() error path	5.5	0.0019	None reported
Routine	CVE-2025-38441	kernel-debug-modules: The kernel packages contain the Linux kernel, the core of any Linux operating system	5.5	0.0019	None reported

Also fixes CVE-2025-39866

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
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
SUSE-SU-2025:4301-1
kernel-livepatch-SLE15-SP6-RT_Update_17, kernel-rt, kernel-rt_debug and 2 more on opensuse-leap 15.6, sles 15.6
SUSE-SU-2025:4140-1
dtb-aarch64, kernel-64kb, kernel-debug and 10 more on opensuse-leap 15.6, sles 15.6
SUSE-SU-2025:4128-1
kernel-azure, kernel-source-azure, kernel-syms-azure on opensuse-leap 15.6, sles 15.6
OPENSUSE-SU-2025:20091-1
dtb-aarch64, kernel-64kb, kernel-default and 9 more on opensuse-leap 16.0

Vendor advisory

https://linux.oracle.com/errata/ELSA-2026-18587.html

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