ALSA-2026:19568: Security update for 74 packages

ALSA-2026:19568, released May 20, 2026, fixes 18 CVEs across 74 products. 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

2 rated Critical

Exploited

CVE-2026-46300

Highest CVSS

9.8

Base score, 0 to 10

Highest EPSS

0.9419

99th percentile

Priority of the 18 CVEs

Patch now 1
                                Urgent 2
                                High 15
                                Routine 0

Fixed package versions

Product	Release	Fixed in
kernel	almalinux 9	5.14.0-687.10.1.el9_8
kernel-64k	almalinux 9	5.14.0-687.10.1.el9_8
kernel-64k-core	almalinux 9	5.14.0-687.10.1.el9_8
kernel-64k-debug	almalinux 9	5.14.0-687.10.1.el9_8
kernel-64k-debug-core	almalinux 9	5.14.0-687.10.1.el9_8
kernel-64k-debug-devel	almalinux 9	5.14.0-687.10.1.el9_8
kernel-64k-debug-devel-matched	almalinux 9	5.14.0-687.10.1.el9_8
kernel-64k-debug-modules	almalinux 9	5.14.0-687.10.1.el9_8
kernel-64k-debug-modules-core	almalinux 9	5.14.0-687.10.1.el9_8
kernel-64k-debug-modules-extra	almalinux 9	5.14.0-687.10.1.el9_8
kernel-64k-devel	almalinux 9	5.14.0-687.10.1.el9_8
kernel-64k-devel-matched	almalinux 9	5.14.0-687.10.1.el9_8
kernel-64k-modules	almalinux 9	5.14.0-687.10.1.el9_8
kernel-64k-modules-core	almalinux 9	5.14.0-687.10.1.el9_8
kernel-64k-modules-extra	almalinux 9	5.14.0-687.10.1.el9_8
kernel-abi-stablelists	almalinux 9	5.14.0-687.10.1.el9_8
kernel-core	almalinux 9	5.14.0-687.10.1.el9_8
kernel-cross-headers	almalinux 9	5.14.0-687.10.1.el9_8
kernel-debug	almalinux 9	5.14.0-687.10.1.el9_8
kernel-debug-core	almalinux 9	5.14.0-687.10.1.el9_8
kernel-debug-devel	almalinux 9	5.14.0-687.10.1.el9_8
kernel-debug-devel-matched	almalinux 9	5.14.0-687.10.1.el9_8
kernel-debug-modules	almalinux 9	5.14.0-687.10.1.el9_8
kernel-debug-modules-core	almalinux 9	5.14.0-687.10.1.el9_8
kernel-debug-modules-extra	almalinux 9	5.14.0-687.10.1.el9_8
kernel-debug-uki-virt	almalinux 9	5.14.0-687.10.1.el9_8
kernel-devel	almalinux 9	5.14.0-687.10.1.el9_8
kernel-devel-matched	almalinux 9	5.14.0-687.10.1.el9_8
kernel-doc	almalinux 9	5.14.0-687.10.1.el9_8
kernel-headers	almalinux 9	5.14.0-687.10.1.el9_8
kernel-modules	almalinux 9	5.14.0-687.10.1.el9_8
kernel-modules-core	almalinux 9	5.14.0-687.10.1.el9_8
kernel-modules-extra	almalinux 9	5.14.0-687.10.1.el9_8
kernel-rt	almalinux 9	5.14.0-687.10.1.el9_8
kernel-rt-64k	almalinux 9	5.14.0-687.10.1.el9_8
kernel-rt-64k-core	almalinux 9	5.14.0-687.10.1.el9_8
kernel-rt-64k-debug	almalinux 9	5.14.0-687.10.1.el9_8
kernel-rt-64k-debug-core	almalinux 9	5.14.0-687.10.1.el9_8
kernel-rt-64k-debug-devel	almalinux 9	5.14.0-687.10.1.el9_8
kernel-rt-64k-debug-modules	almalinux 9	5.14.0-687.10.1.el9_8
kernel-rt-64k-debug-modules-core	almalinux 9	5.14.0-687.10.1.el9_8
kernel-rt-64k-debug-modules-extra	almalinux 9	5.14.0-687.10.1.el9_8
kernel-rt-64k-devel	almalinux 9	5.14.0-687.10.1.el9_8
kernel-rt-64k-modules	almalinux 9	5.14.0-687.10.1.el9_8
kernel-rt-64k-modules-core	almalinux 9	5.14.0-687.10.1.el9_8
kernel-rt-64k-modules-extra	almalinux 9	5.14.0-687.10.1.el9_8
kernel-rt-core	almalinux 9	5.14.0-687.10.1.el9_8
kernel-rt-debug	almalinux 9	5.14.0-687.10.1.el9_8
kernel-rt-debug-core	almalinux 9	5.14.0-687.10.1.el9_8
kernel-rt-debug-devel	almalinux 9	5.14.0-687.10.1.el9_8
kernel-rt-debug-modules	almalinux 9	5.14.0-687.10.1.el9_8
kernel-rt-debug-modules-core	almalinux 9	5.14.0-687.10.1.el9_8
kernel-rt-debug-modules-extra	almalinux 9	5.14.0-687.10.1.el9_8
kernel-rt-devel	almalinux 9	5.14.0-687.10.1.el9_8
kernel-rt-modules	almalinux 9	5.14.0-687.10.1.el9_8
kernel-rt-modules-core	almalinux 9	5.14.0-687.10.1.el9_8
kernel-rt-modules-extra	almalinux 9	5.14.0-687.10.1.el9_8
kernel-tools	almalinux 9	5.14.0-687.10.1.el9_8
kernel-tools-libs	almalinux 9	5.14.0-687.10.1.el9_8
kernel-tools-libs-devel	almalinux 9	5.14.0-687.10.1.el9_8
kernel-uki-virt	almalinux 9	5.14.0-687.10.1.el9_8
kernel-uki-virt-addons	almalinux 9	5.14.0-687.10.1.el9_8
kernel-zfcpdump	almalinux 9	5.14.0-687.10.1.el9_8
kernel-zfcpdump-core	almalinux 9	5.14.0-687.10.1.el9_8
kernel-zfcpdump-devel	almalinux 9	5.14.0-687.10.1.el9_8
kernel-zfcpdump-devel-matched	almalinux 9	5.14.0-687.10.1.el9_8
kernel-zfcpdump-modules	almalinux 9	5.14.0-687.10.1.el9_8
kernel-zfcpdump-modules-core	almalinux 9	5.14.0-687.10.1.el9_8
kernel-zfcpdump-modules-extra	almalinux 9	5.14.0-687.10.1.el9_8
libperf	almalinux 9	5.14.0-687.10.1.el9_8
perf	almalinux 9	5.14.0-687.10.1.el9_8
python3-perf	almalinux 9	5.14.0-687.10.1.el9_8
rtla	almalinux 9	5.14.0-687.10.1.el9_8
rv	almalinux 9	5.14.0-687.10.1.el9_8

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-2026-31402	kernel-default: The SUSE Linux Enterprise 15 SP6 kernel was updated to fix various security issues The following security issues wer...	9.8	0.0122	None reported
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-2026-43503	net: skbuff: propagate shared-frag marker through frag-transfer helpers	8.8	0.0199	None reported
High	CVE-2025-71116	libceph: make decode_pool() more resilient against corrupted osdmaps	8.1	0.0046	None reported
High	CVE-2026-22984	kernel: In the Linux kernel, the following vulnerability has been resolved: libceph: prevent potential out-of-bounds reads in...	8.8	0.0041	None reported
High	CVE-2026-22990	kernel: In the Linux kernel, the following vulnerability has been resolved: libceph: replace overzealous BUG_ON in osdmap_app...	8.8	0.0040	None reported
High	CVE-2026-31607	usbip: validate number_of_packets in usbip_pack_ret_submit()	9.8	0.0031	None reported
High	CVE-2026-23136	linux: In the Linux kernel, the following vulnerability has been resolved: libceph: reset sparse-read state in osd_fault()...	8.1	0.0025	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-2026-31532	can: raw: fix ro->uniq use-after-free in raw_rcv()	8.8	0.0017	None reported
High	CVE-2026-23204	kernel-core: The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fix(es): * kernel: L...	8.1	0.0015	None reported
High	CVE-2026-43128	linux: In the Linux kernel, the following vulnerability has been resolved: RDMA/umem: Fix double dma_buf_unpin in failure p...	8.1	0.0014	None reported
High	CVE-2026-23270	linux: In the Linux kernel, the following vulnerability has been resolved: net/sched: Only allow act_ct to bind to clsact/i...	8.1	0.0014	None reported
High	CVE-2026-43163	linux: In the Linux kernel, the following vulnerability has been resolved: md/bitmap: fix GPF in write_page caused by resiz...	8.1	0.0009	None reported

Also fixes CVE-2026-46300

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
RLSA-2026:19569
kernel on rocky 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://osv.dev/vulnerability/ALSA-2026:19568

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