RLSA-2026:19569: kernel security update

RLSA-2026:19569, released May 29, 2026, fixes 13 CVEs in kernel (version 0:6.12.0-211.16.1.el10_2.0.1). One of them is being exploited (CVE-2026-46300); 1 on CISA KEV. Patch Radar priority: Patch now.

Patch now1 on CISA KEV

CVEs closed

1 rated Critical

Exploited

CVE-2026-46300

Highest CVSS

9.8

Base score, 0 to 10

Highest EPSS

0.9419

99th percentile

Priority of the 13 CVEs

Patch now 1
                                Urgent 1
                                High 11
                                Routine 0

Fixed package versions

Product	Release	Fixed in
kernel	rocky 10	0:6.12.0-211.16.1.el10_2.0.1

CVEs this fix closes

Priority	CVE	Title	CVSS	EPSS	Exploitation
Patch now	CVE-2026-46300	net: skbuff: preserve shared-frag marker during coalescing	8.1	0.1613	KEVExploited
Urgent	CVE-2025-68741	linux: In the Linux kernel, the following vulnerability has been resolved: scsi: qla2xxx: Fix improper freeing of purex ite...	9.8	0.0043	None reported
High	CVE-2026-43284	xfrm: esp: avoid in-place decrypt on shared skb frags	8.8	0.9419	None reported
High	CVE-2026-46333	ptrace: slightly saner 'get_dumpable()' logic	8.1	0.0430	None reported
High	CVE-2026-31402	kernel-64kb: nfsd: fix heap overflow in NFSv4.0 LOCK replay cache (bsc#1261638).	9.8	0.0122	None reported
High	CVE-2026-31408	Bluetooth: SCO: Fix use-after-free in sco_recv_frame() due to missing sock_hold	8.8	0.0032	None reported
High	CVE-2026-31607	usbip: validate number_of_packets in usbip_pack_ret_submit()	9.8	0.0031	None reported
High	CVE-2024-56603	kernel-64kb: net: af_can: do not leave a dangling sk pointer in can_create() (bsc#1235415).	8.1	0.0024	None reported
High	CVE-2026-23401	KVM: x86/mmu: Drop/zap existing present SPTE even when creating an MMIO SPTE	8.8	0.0019	None reported
High	CVE-2025-39766	net/sched: Make cake_enqueue return NET_XMIT_CN when past buffer_limit	8.1	0.0018	None reported
High	CVE-2025-68724	linux: In the Linux kernel, the following vulnerability has been resolved: crypto: asymmetric_keys - prevent overflow in as...	8.1	0.0014	None reported
High	CVE-2026-43128	kernel-64kb: RDMA/umem: Fix double dma_buf_unpin in failure path (bsc#1264612).	8.1	0.0014	None reported
High	CVE-2026-23270	kernel-livepatch-SLE15-SP7-RT_Update_11: net/sched: Only allow act_ct to bind to clsact/ingress qdiscs and shared blocks (bsc#1259886).	8.1	0.0014	None reported

Also fixes CVE-2026-46300

ALSA-2026:19568
kernel, kernel-64k, kernel-64k-core and 71 more on almalinux 9
RLSA-2026:19568
kernel on rocky 9
RHSA-2026:19568
kernel, kernel-64k, kernel-64k-core and 69 more on RHEL 9
ALSA-2026:19569
kernel, kernel-64k, kernel-64k-core and 72 more on almalinux 10
SUSE-SU-2026:2238-1
kernel-64kb, kernel-azure, kernel-default and 7 more on sles 15.7
ELSA-2026-19568
kernel, kernel-abi-stablelists, kernel-core and 26 more on ol 9
ELSA-2026-19569
kernel, kernel-abi-stablelists, kernel-core and 27 more on ol 10
SUSE-SU-2026:22040-1
kernel-livepatch-SLE16_Update_5 on sles 16.0

Vendor advisory

https://errata.rockylinux.org/RLSA-2026:19569

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