ALSA-2026:55764: Security update for 25 packages

ALSA-2026:55764, released August 17, 2026, fixes 11 CVEs across 25 products. None of them is reported as exploited. Patch Radar priority: Urgent.

Urgent

CVEs closed

1 rated Critical

Exploited

None reported

Highest CVSS

9.8

Base score, 0 to 10

Highest EPSS

0.0041

35th percentile

Priority of the 11 CVEs

Patch now 0
                                Urgent 1
                                High 10
                                Routine 0

Fixed package versions

Product	Release	Fixed in
bpftool	almalinux 8	4.18.0-553.156.1.el8_10
kernel	almalinux 8	4.18.0-553.156.1.el8_10
kernel-abi-stablelists	almalinux 8	4.18.0-553.156.1.el8_10
kernel-core	almalinux 8	4.18.0-553.156.1.el8_10
kernel-cross-headers	almalinux 8	4.18.0-553.156.1.el8_10
kernel-debug	almalinux 8	4.18.0-553.156.1.el8_10
kernel-debug-core	almalinux 8	4.18.0-553.156.1.el8_10
kernel-debug-devel	almalinux 8	4.18.0-553.156.1.el8_10
kernel-debug-modules	almalinux 8	4.18.0-553.156.1.el8_10
kernel-debug-modules-extra	almalinux 8	4.18.0-553.156.1.el8_10
kernel-devel	almalinux 8	4.18.0-553.156.1.el8_10
kernel-doc	almalinux 8	4.18.0-553.156.1.el8_10
kernel-headers	almalinux 8	4.18.0-553.156.1.el8_10
kernel-modules	almalinux 8	4.18.0-553.156.1.el8_10
kernel-modules-extra	almalinux 8	4.18.0-553.156.1.el8_10
kernel-tools	almalinux 8	4.18.0-553.156.1.el8_10
kernel-tools-libs	almalinux 8	4.18.0-553.156.1.el8_10
kernel-tools-libs-devel	almalinux 8	4.18.0-553.156.1.el8_10
kernel-zfcpdump	almalinux 8	4.18.0-553.156.1.el8_10
kernel-zfcpdump-core	almalinux 8	4.18.0-553.156.1.el8_10
kernel-zfcpdump-devel	almalinux 8	4.18.0-553.156.1.el8_10
kernel-zfcpdump-modules	almalinux 8	4.18.0-553.156.1.el8_10
kernel-zfcpdump-modules-extra	almalinux 8	4.18.0-553.156.1.el8_10
perf	almalinux 8	4.18.0-553.156.1.el8_10
python3-perf	almalinux 8	4.18.0-553.156.1.el8_10

CVEs this fix closes

Priority	CVE	Title	CVSS	EPSS	Exploitation
Urgent	CVE-2026-53374	drm/amdgpu: zero-initialize GART table on allocation	9.8	0.0013	None reported
High	CVE-2026-74580	vhost: reset the vring metadata cache on vring reconfiguration	8.8	0.0041	None reported
High	CVE-2026-63884	bpftool: The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fix(es): * kernel: m...	7.8	0.0018	None reported
High	CVE-2025-39902	mm/slub: avoid accessing metadata when pointer is invalid in object_err()	7.8	0.0017	None reported
High	CVE-2026-64219	drm/amd/display: Validate payload length and link_index in dc_process_dmub_aux_transfer_async	7.8	0.0017	None reported
High	CVE-2026-17523	bpftool: The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fix(es): * kernel: m...	7.8	0.0017	None reported
High	CVE-2026-53329	drm/amd/display: Use krealloc_array() in dal_vector_reserve()	7.8	0.0015	None reported
High	CVE-2026-63879	drm/amdgpu: fix amdgpu_hmm_range_get_pages	7.8	0.0014	None reported
High	CVE-2026-53016	crypto: ccp - copy IV using skcipher ivsize	7.8	0.0014	None reported
High	CVE-2026-43206	kernel-zfcpdump-devel: The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fix(es): * kernel: m...	7.8	0.0014	None reported
High	CVE-2026-53136	bpftool: The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fix(es): * kernel: m...	7.8	0.0013	None reported

Also fixes CVE-2026-53374

OPENSUSE-SU-2026:21555-1
dtb-aarch64, kernel-64kb, kernel-azure and 10 more on opensuse-leap 16.0
SUSE-SU-2026:23237-1
kernel-default on sles 16.0
SUSE-SU-2026:23231-1
kernel-64kb, kernel-azure, kernel-default-base and 6 more on sles 16.0
SUSE-SU-2026:3790-1
kernel-64kb, kernel-azure, kernel-default and 7 more on sles 15.7
SUSE-SU-2026:3810-1
kernel-livepatch-SLE15-SP7-RT_Update_19 on sles 15.7
RHSA-2026:57252
kernel, kernel-64k, kernel-64k-core and 69 more on RHEL 9
ALSA-2026:57252
kernel, kernel-64k, kernel-64k-core and 71 more on almalinux 9
RLSA-2026:57252
kernel on rocky 9

Vendor advisory

https://osv.dev/vulnerability/ALSA-2026:55764

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