Linux · AlmaLinux · Security advisory · May 19, 2026

ALSA-2026:18587: Security update for 74 packages

ALSA-2026:18587, released May 19, 2026, fixes 15 CVEs across 74 products. None of them is reported as exploited. Patch Radar priority: High.

High
CVEs closed
15
None rated Critical
Exploited
0
None reported
Highest CVSS
8.9
Base score, 0 to 10
Highest EPSS
0.0043
37th percentile

Priority of the 15 CVEs

Patch now 0 Urgent 0 High 6 Routine 9

Fixed package versions

ProductReleaseFixed in
kernelalmalinux 95.14.0-687.5.1.el9_8
kernel-64kalmalinux 95.14.0-687.5.1.el9_8
kernel-64k-corealmalinux 95.14.0-687.5.1.el9_8
kernel-64k-debugalmalinux 95.14.0-687.5.1.el9_8
kernel-64k-debug-corealmalinux 95.14.0-687.5.1.el9_8
kernel-64k-debug-develalmalinux 95.14.0-687.5.1.el9_8
kernel-64k-debug-devel-matchedalmalinux 95.14.0-687.5.1.el9_8
kernel-64k-debug-modulesalmalinux 95.14.0-687.5.1.el9_8
kernel-64k-debug-modules-corealmalinux 95.14.0-687.5.1.el9_8
kernel-64k-debug-modules-extraalmalinux 95.14.0-687.5.1.el9_8
kernel-64k-develalmalinux 95.14.0-687.5.1.el9_8
kernel-64k-devel-matchedalmalinux 95.14.0-687.5.1.el9_8
kernel-64k-modulesalmalinux 95.14.0-687.5.1.el9_8
kernel-64k-modules-corealmalinux 95.14.0-687.5.1.el9_8
kernel-64k-modules-extraalmalinux 95.14.0-687.5.1.el9_8
kernel-abi-stablelistsalmalinux 95.14.0-687.5.1.el9_8
kernel-corealmalinux 95.14.0-687.5.1.el9_8
kernel-cross-headersalmalinux 95.14.0-687.5.1.el9_8
kernel-debugalmalinux 95.14.0-687.5.1.el9_8
kernel-debug-corealmalinux 95.14.0-687.5.1.el9_8
kernel-debug-develalmalinux 95.14.0-687.5.1.el9_8
kernel-debug-devel-matchedalmalinux 95.14.0-687.5.1.el9_8
kernel-debug-modulesalmalinux 95.14.0-687.5.1.el9_8
kernel-debug-modules-corealmalinux 95.14.0-687.5.1.el9_8
kernel-debug-modules-extraalmalinux 95.14.0-687.5.1.el9_8
kernel-debug-uki-virtalmalinux 95.14.0-687.5.1.el9_8
kernel-develalmalinux 95.14.0-687.5.1.el9_8
kernel-devel-matchedalmalinux 95.14.0-687.5.1.el9_8
kernel-docalmalinux 95.14.0-687.5.1.el9_8
kernel-headersalmalinux 95.14.0-687.5.1.el9_8
kernel-modulesalmalinux 95.14.0-687.5.1.el9_8
kernel-modules-corealmalinux 95.14.0-687.5.1.el9_8
kernel-modules-extraalmalinux 95.14.0-687.5.1.el9_8
kernel-rtalmalinux 95.14.0-687.5.1.el9_8
kernel-rt-64kalmalinux 95.14.0-687.5.1.el9_8
kernel-rt-64k-corealmalinux 95.14.0-687.5.1.el9_8
kernel-rt-64k-debugalmalinux 95.14.0-687.5.1.el9_8
kernel-rt-64k-debug-corealmalinux 95.14.0-687.5.1.el9_8
kernel-rt-64k-debug-develalmalinux 95.14.0-687.5.1.el9_8
kernel-rt-64k-debug-modulesalmalinux 95.14.0-687.5.1.el9_8
kernel-rt-64k-debug-modules-corealmalinux 95.14.0-687.5.1.el9_8
kernel-rt-64k-debug-modules-extraalmalinux 95.14.0-687.5.1.el9_8
kernel-rt-64k-develalmalinux 95.14.0-687.5.1.el9_8
kernel-rt-64k-modulesalmalinux 95.14.0-687.5.1.el9_8
kernel-rt-64k-modules-corealmalinux 95.14.0-687.5.1.el9_8
kernel-rt-64k-modules-extraalmalinux 95.14.0-687.5.1.el9_8
kernel-rt-corealmalinux 95.14.0-687.5.1.el9_8
kernel-rt-debugalmalinux 95.14.0-687.5.1.el9_8
kernel-rt-debug-corealmalinux 95.14.0-687.5.1.el9_8
kernel-rt-debug-develalmalinux 95.14.0-687.5.1.el9_8
kernel-rt-debug-modulesalmalinux 95.14.0-687.5.1.el9_8
kernel-rt-debug-modules-corealmalinux 95.14.0-687.5.1.el9_8
kernel-rt-debug-modules-extraalmalinux 95.14.0-687.5.1.el9_8
kernel-rt-develalmalinux 95.14.0-687.5.1.el9_8
kernel-rt-modulesalmalinux 95.14.0-687.5.1.el9_8
kernel-rt-modules-corealmalinux 95.14.0-687.5.1.el9_8
kernel-rt-modules-extraalmalinux 95.14.0-687.5.1.el9_8
kernel-toolsalmalinux 95.14.0-687.5.1.el9_8
kernel-tools-libsalmalinux 95.14.0-687.5.1.el9_8
kernel-tools-libs-develalmalinux 95.14.0-687.5.1.el9_8
kernel-uki-virtalmalinux 95.14.0-687.5.1.el9_8
kernel-uki-virt-addonsalmalinux 95.14.0-687.5.1.el9_8
kernel-zfcpdumpalmalinux 95.14.0-687.5.1.el9_8
kernel-zfcpdump-corealmalinux 95.14.0-687.5.1.el9_8
kernel-zfcpdump-develalmalinux 95.14.0-687.5.1.el9_8
kernel-zfcpdump-devel-matchedalmalinux 95.14.0-687.5.1.el9_8
kernel-zfcpdump-modulesalmalinux 95.14.0-687.5.1.el9_8
kernel-zfcpdump-modules-corealmalinux 95.14.0-687.5.1.el9_8
kernel-zfcpdump-modules-extraalmalinux 95.14.0-687.5.1.el9_8
libperfalmalinux 95.14.0-687.5.1.el9_8
perfalmalinux 95.14.0-687.5.1.el9_8
python3-perfalmalinux 95.14.0-687.5.1.el9_8
rtlaalmalinux 95.14.0-687.5.1.el9_8
rvalmalinux 95.14.0-687.5.1.el9_8

CVEs this fix closes

PriorityCVETitleCVSSEPSSExploitation
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 bookkeeping7.8 0.0024 None reported
High CVE-2025-38015 kernel: The kernel packages contain the Linux kernel, the core of any Linux operating system7.0 0.0020 None reported
High CVE-2026-23243 RDMA/umad: Reject negative data_len in ib_umad_write7.8 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
High CVE-2025-30156 Ceph: AES-CBC misuse in CephX and RADOSGW enables authentication bypass and credential forgery8.9 0.0009 None reported
Routine CVE-2025-38405 kernel-debug-devel: The kernel packages contain the Linux kernel, the core of any Linux operating system5.5 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 system4.7 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 runtime5.5 0.0021 None reported
Routine CVE-2025-38097 espintcp: remove encap socket caching to avoid reference leak5.5 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 sockmap5.5 0.0020 None reported
Routine CVE-2025-37980 block: fix resource leak in blk_register_queue() error path5.5 0.0019 None reported
Routine CVE-2025-38441 kernel-debug-modules: The kernel packages contain the Linux kernel, the core of any Linux operating system5.5 0.0019 None reported
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