kernel: The kernel packages contain the Linux kernel, the core of any Linux operating system
CVE-2026-64027 is fixed in 95 products on 1 platform, first by ALAS2023-2026-1881, released June 22, 2026. It is not reported as exploited. Patch Radar priority: High.
The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fix(es): * kernel: tcp: restrict SO_ATTACH_FILTER to priv users (CVE-2026-53236) * kernel: fuse: re-lock request before replacing page cache folio (CVE-2026-53388) * kernel: net: shaper: rework the VALID marking (again) (CVE-2026-64027) * kernel: net/handshake: hand off the pinned file reference to accept_doit (CVE-2026-63979) * kernel: net/handshake: Drain pending requests at net namespace exit (CVE-2026-63978) * kernel: af_unix: Fix UAF read of tail->len in unix_stream_data_wait() (CVE-2026-64109) * kernel: net/handshake: Take a long-lived file reference at submit (CVE-2026-64523) * kernel: net: gro: fix double aggregation of flush-marked skbs (CVE-2026-68136) * kernel: net/packet: avoid fanout hook re-registration after unregister (CVE-2026-68338) * kernel: scsi: target: core: Fix iSCSI ISID use-after-free in REGISTER AND MOVE (CVE-2026-72083) * kernel: KVM: s390: pci: Reject adapter interrupt forwarding if already enabled (CVE-2026-74515) * kernel: net: smc: fix splice entry lifetime imbalance in smc_rx_splice (CVE-2026-74631) * kernel: usb: usbfs: fix use-after-free of usb_device in usbdev_release() (CVE-2026-80824) * kernel: smb: client: clear setuid/setgid bit on write with cifsacl/modefromsid/posix extensions (CVE-2026-89638) * kernel: vfio/pci: clear vdev->msi_perm after freeing it on init failure (CVE-2026-89777) * kernel: md/raid5-ppl: fix use-after-free in ppl_do_flush() (CVE-2026-93262) Bug Fix(es) and Enhancement(s): * x86/microcode: Add platform mask to Intel microcode "old" list [AlmaLinux-10] [almalinux-10.2.z] (JIRA:AlmaLinux-212778) * net: NULL pointer deref kernel panic in fib6_walk_continue under heavy VRF churn [almalinux-10.2.z] (JIRA:AlmaLinux-245489) * backport fixes for lockdep issues reported with rt-debug [almalinux-10.2.z] (JIRA:AlmaLinux-259937) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Linux | |||
| bpftool6.18 · amzn 2023 | 1:6.18.35-68.127.amzn2023 | ALAS2023-2026-1881 | Jun 22, 2026 |
| bpftool6.18-debuginfo · amzn 2023 | 1:6.18.35-68.127.amzn2023 | ALAS2023-2026-1881 | Jun 22, 2026 |
| kernel · RHEL 10 | 6.12.0-211.69.1.el10_2 | RHSA-2026:91565 | Sep 24, 2026 |
| kernel · almalinux 10 | 6.12.0-211.69.1.el10_2 | ALSA-2026:91565 | Nov 7, 2026 |
| kernel · ol 10 | 0:6.12.0-211.69.1.el10_2 | ELSA-2026-91565 | Nov 7, 2026 |
| kernel · rocky 10 | 0:6.12.0-211.69.1.el10_2 | RLSA-2026:91565 | Nov 7, 2026 |
| kernel-64k · almalinux 10 | 6.12.0-211.69.1.el10_2 | ALSA-2026:91565 | Nov 7, 2026 |
| kernel-64k-core · almalinux 10 | 6.12.0-211.69.1.el10_2 | ALSA-2026:91565 | Nov 7, 2026 |
| kernel-64k-debug · almalinux 10 | 6.12.0-211.69.1.el10_2 | ALSA-2026:91565 | Nov 7, 2026 |
| kernel-64k-debug-core · almalinux 10 | 6.12.0-211.69.1.el10_2 | ALSA-2026:91565 | Nov 7, 2026 |
| kernel-64k-debug-devel · almalinux 10 | 6.12.0-211.69.1.el10_2 | ALSA-2026:91565 | Nov 7, 2026 |
| kernel-64k-debug-devel-matched · almalinux 10 | 6.12.0-211.69.1.el10_2 | ALSA-2026:91565 | Nov 7, 2026 |
| kernel-64k-debug-modules · almalinux 10 | 6.12.0-211.69.1.el10_2 | ALSA-2026:91565 | Nov 7, 2026 |
| kernel-64k-debug-modules-core · almalinux 10 | 6.12.0-211.69.1.el10_2 | ALSA-2026:91565 | Nov 7, 2026 |
| kernel-64k-debug-modules-extra · almalinux 10 | 6.12.0-211.69.1.el10_2 | ALSA-2026:91565 | Nov 7, 2026 |
| kernel-64k-devel · almalinux 10 | 6.12.0-211.69.1.el10_2 | ALSA-2026:91565 | Nov 7, 2026 |
| kernel-64k-devel-matched · almalinux 10 | 6.12.0-211.69.1.el10_2 | ALSA-2026:91565 | Nov 7, 2026 |
| kernel-64k-modules · almalinux 10 | 6.12.0-211.69.1.el10_2 | ALSA-2026:91565 | Nov 7, 2026 |
| kernel-64k-modules-core · almalinux 10 | 6.12.0-211.69.1.el10_2 | ALSA-2026:91565 | Nov 7, 2026 |
| kernel-64k-modules-extra · almalinux 10 | 6.12.0-211.69.1.el10_2 | ALSA-2026:91565 | Nov 7, 2026 |
| kernel-abi-stablelists · almalinux 10 | 6.12.0-211.69.1.el10_2 | ALSA-2026:91565 | Nov 7, 2026 |
| kernel-abi-stablelists · ol 10 | 0:6.12.0-211.69.1.el10_2 | ELSA-2026-91565 | Nov 7, 2026 |
| kernel-core · almalinux 10 | 6.12.0-211.69.1.el10_2 | ALSA-2026:91565 | Nov 7, 2026 |
| kernel-core · ol 10 | 0:6.12.0-211.69.1.el10_2 | ELSA-2026-91565 | Nov 7, 2026 |
| kernel-cross-headers · almalinux 10 | 6.12.0-211.69.1.el10_2 | ALSA-2026:91565 | Nov 7, 2026 |
| kernel-cross-headers · ol 10 | 0:6.12.0-211.69.1.el10_2 | ELSA-2026-91565 | Nov 7, 2026 |
| kernel-debug · almalinux 10 | 6.12.0-211.69.1.el10_2 | ALSA-2026:91565 | Nov 7, 2026 |
| kernel-debug · ol 10 | 0:6.12.0-211.69.1.el10_2 | ELSA-2026-91565 | Nov 7, 2026 |
| kernel-debug-core · almalinux 10 | 6.12.0-211.69.1.el10_2 | ALSA-2026:91565 | Nov 7, 2026 |
| kernel-debug-core · ol 10 | 0:6.12.0-211.69.1.el10_2 | ELSA-2026-91565 | Nov 7, 2026 |
| kernel-debug-devel · almalinux 10 | 6.12.0-211.69.1.el10_2 | ALSA-2026:91565 | Nov 7, 2026 |
| kernel-debug-devel · ol 10 | 0:6.12.0-211.69.1.el10_2 | ELSA-2026-91565 | Nov 7, 2026 |
| kernel-debug-devel-matched · almalinux 10 | 6.12.0-211.69.1.el10_2 | ALSA-2026:91565 | Nov 7, 2026 |
| kernel-debug-devel-matched · ol 10 | 0:6.12.0-211.69.1.el10_2 | ELSA-2026-91565 | Nov 7, 2026 |
| kernel-debug-modules · almalinux 10 | 6.12.0-211.69.1.el10_2 | ALSA-2026:91565 | Nov 7, 2026 |
| kernel-debug-modules · ol 10 | 0:6.12.0-211.69.1.el10_2 | ELSA-2026-91565 | Nov 7, 2026 |
| kernel-debug-modules-core · almalinux 10 | 6.12.0-211.69.1.el10_2 | ALSA-2026:91565 | Nov 7, 2026 |
| kernel-debug-modules-core · ol 10 | 0:6.12.0-211.69.1.el10_2 | ELSA-2026-91565 | Nov 7, 2026 |
| kernel-debug-modules-extra · almalinux 10 | 6.12.0-211.69.1.el10_2 | ALSA-2026:91565 | Nov 7, 2026 |
| kernel-debug-modules-extra · ol 10 | 0:6.12.0-211.69.1.el10_2 | ELSA-2026-91565 | Nov 7, 2026 |
| kernel-debug-uki-virt · almalinux 10 | 6.12.0-211.69.1.el10_2 | ALSA-2026:91565 | Nov 7, 2026 |
| kernel-debug-uki-virt · ol 10 | 0:6.12.0-211.69.1.el10_2 | ELSA-2026-91565 | Nov 7, 2026 |
| kernel-devel · almalinux 10 | 6.12.0-211.69.1.el10_2 | ALSA-2026:91565 | Nov 7, 2026 |
| kernel-devel · ol 10 | 0:6.12.0-211.69.1.el10_2 | ELSA-2026-91565 | Nov 7, 2026 |
| kernel-devel-matched · almalinux 10 | 6.12.0-211.69.1.el10_2 | ALSA-2026:91565 | Nov 7, 2026 |
| kernel-devel-matched · ol 10 | 0:6.12.0-211.69.1.el10_2 | ELSA-2026-91565 | Nov 7, 2026 |
| kernel-doc · almalinux 10 | 6.12.0-211.69.1.el10_2 | ALSA-2026:91565 | Nov 7, 2026 |
| kernel-doc · ol 10 | 0:6.12.0-211.69.1.el10_2 | ELSA-2026-91565 | Nov 7, 2026 |
| kernel-headers · almalinux 10 | 6.12.0-211.69.1.el10_2 | ALSA-2026:91565 | Nov 7, 2026 |
| kernel-headers · ol 10 | 0:6.12.0-211.69.1.el10_2 | ELSA-2026-91565 | Nov 7, 2026 |
| kernel-livepatch-6.18.35-68.127 · amzn 2023 | 1:1.0-0.amzn2023 | ALAS2023-2026-1881 | Jun 22, 2026 |
| kernel-modules · almalinux 10 | 6.12.0-211.69.1.el10_2 | ALSA-2026:91565 | Nov 7, 2026 |
| kernel-modules · ol 10 | 0:6.12.0-211.69.1.el10_2 | ELSA-2026-91565 | Nov 7, 2026 |
| kernel-modules-core · almalinux 10 | 6.12.0-211.69.1.el10_2 | ALSA-2026:91565 | Nov 7, 2026 |
| kernel-modules-core · ol 10 | 0:6.12.0-211.69.1.el10_2 | ELSA-2026-91565 | Nov 7, 2026 |
| kernel-modules-extra · almalinux 10 | 6.12.0-211.69.1.el10_2 | ALSA-2026:91565 | Nov 7, 2026 |
| kernel-modules-extra · ol 10 | 0:6.12.0-211.69.1.el10_2 | ELSA-2026-91565 | Nov 7, 2026 |
| kernel-modules-extra-matched · almalinux 10 | 6.12.0-211.69.1.el10_2 | ALSA-2026:91565 | Nov 7, 2026 |
| kernel-modules-extra-matched · ol 10 | 0:6.12.0-211.69.1.el10_2 | ELSA-2026-91565 | Nov 7, 2026 |
| kernel-rt · almalinux 10 | 6.12.0-211.69.1.el10_2 | ALSA-2026:91565 | Nov 7, 2026 |
| kernel-rt-64k · almalinux 10 | 6.12.0-211.69.1.el10_2 | ALSA-2026:91565 | Nov 7, 2026 |
| kernel-rt-64k-core · almalinux 10 | 6.12.0-211.69.1.el10_2 | ALSA-2026:91565 | Nov 7, 2026 |
| kernel-rt-64k-debug · almalinux 10 | 6.12.0-211.69.1.el10_2 | ALSA-2026:91565 | Nov 7, 2026 |
| kernel-rt-64k-debug-core · almalinux 10 | 6.12.0-211.69.1.el10_2 | ALSA-2026:91565 | Nov 7, 2026 |
| kernel-rt-64k-debug-devel · almalinux 10 | 6.12.0-211.69.1.el10_2 | ALSA-2026:91565 | Nov 7, 2026 |
| kernel-rt-64k-debug-modules · almalinux 10 | 6.12.0-211.69.1.el10_2 | ALSA-2026:91565 | Nov 7, 2026 |
| kernel-rt-64k-debug-modules-core · almalinux 10 | 6.12.0-211.69.1.el10_2 | ALSA-2026:91565 | Nov 7, 2026 |
| kernel-rt-64k-debug-modules-extra · almalinux 10 | 6.12.0-211.69.1.el10_2 | ALSA-2026:91565 | Nov 7, 2026 |
| kernel-rt-64k-devel · almalinux 10 | 6.12.0-211.69.1.el10_2 | ALSA-2026:91565 | Nov 7, 2026 |
| kernel-rt-64k-modules · almalinux 10 | 6.12.0-211.69.1.el10_2 | ALSA-2026:91565 | Nov 7, 2026 |
| kernel-rt-64k-modules-core · almalinux 10 | 6.12.0-211.69.1.el10_2 | ALSA-2026:91565 | Nov 7, 2026 |
| kernel-rt-64k-modules-extra · almalinux 10 | 6.12.0-211.69.1.el10_2 | ALSA-2026:91565 | Nov 7, 2026 |
| kernel-rt-core · almalinux 10 | 6.12.0-211.69.1.el10_2 | ALSA-2026:91565 | Nov 7, 2026 |
| kernel-rt-debug · almalinux 10 | 6.12.0-211.69.1.el10_2 | ALSA-2026:91565 | Nov 7, 2026 |
| kernel-rt-debug-core · almalinux 10 | 6.12.0-211.69.1.el10_2 | ALSA-2026:91565 | Nov 7, 2026 |
| kernel-rt-debug-devel · almalinux 10 | 6.12.0-211.69.1.el10_2 | ALSA-2026:91565 | Nov 7, 2026 |
| kernel-rt-debug-modules · almalinux 10 | 6.12.0-211.69.1.el10_2 | ALSA-2026:91565 | Nov 7, 2026 |
| kernel-rt-debug-modules-core · almalinux 10 | 6.12.0-211.69.1.el10_2 | ALSA-2026:91565 | Nov 7, 2026 |
| kernel-rt-debug-modules-extra · almalinux 10 | 6.12.0-211.69.1.el10_2 | ALSA-2026:91565 | Nov 7, 2026 |
| kernel-rt-devel · almalinux 10 | 6.12.0-211.69.1.el10_2 | ALSA-2026:91565 | Nov 7, 2026 |
| kernel-rt-modules · almalinux 10 | 6.12.0-211.69.1.el10_2 | ALSA-2026:91565 | Nov 7, 2026 |
| kernel-rt-modules-core · almalinux 10 | 6.12.0-211.69.1.el10_2 | ALSA-2026:91565 | Nov 7, 2026 |
| kernel-rt-modules-extra · almalinux 10 | 6.12.0-211.69.1.el10_2 | ALSA-2026:91565 | Nov 7, 2026 |
| kernel-tools · almalinux 10 | 6.12.0-211.69.1.el10_2 | ALSA-2026:91565 | Nov 7, 2026 |
| kernel-tools · ol 10 | 0:6.12.0-211.69.1.el10_2 | ELSA-2026-91565 | Nov 7, 2026 |
| kernel-tools-libs · almalinux 10 | 6.12.0-211.69.1.el10_2 | ALSA-2026:91565 | Nov 7, 2026 |
| kernel-tools-libs · ol 10 | 0:6.12.0-211.69.1.el10_2 | ELSA-2026-91565 | Nov 7, 2026 |
| kernel-tools-libs-devel · almalinux 10 | 6.12.0-211.69.1.el10_2 | ALSA-2026:91565 | Nov 7, 2026 |
| kernel-tools-libs-devel · ol 10 | 0:6.12.0-211.69.1.el10_2 | ELSA-2026-91565 | Nov 7, 2026 |
| kernel-uki-virt · almalinux 10 | 6.12.0-211.69.1.el10_2 | ALSA-2026:91565 | Nov 7, 2026 |
| kernel-uki-virt · ol 10 | 0:6.12.0-211.69.1.el10_2 | ELSA-2026-91565 | Nov 7, 2026 |
| kernel-uki-virt-addons · almalinux 10 | 6.12.0-211.69.1.el10_2 | ALSA-2026:91565 | Nov 7, 2026 |
| kernel-uki-virt-addons · ol 10 | 0:6.12.0-211.69.1.el10_2 | ELSA-2026-91565 | Nov 7, 2026 |
| kernel-zfcpdump · almalinux 10 | 6.12.0-211.69.1.el10_2 | ALSA-2026:91565 | Nov 7, 2026 |
| kernel-zfcpdump-core · almalinux 10 | 6.12.0-211.69.1.el10_2 | ALSA-2026:91565 | Nov 7, 2026 |
| kernel-zfcpdump-devel · almalinux 10 | 6.12.0-211.69.1.el10_2 | ALSA-2026:91565 | Nov 7, 2026 |
| kernel-zfcpdump-devel-matched · almalinux 10 | 6.12.0-211.69.1.el10_2 | ALSA-2026:91565 | Nov 7, 2026 |
| kernel-zfcpdump-modules · almalinux 10 | 6.12.0-211.69.1.el10_2 | ALSA-2026:91565 | Nov 7, 2026 |
| kernel-zfcpdump-modules-core · almalinux 10 | 6.12.0-211.69.1.el10_2 | ALSA-2026:91565 | Nov 7, 2026 |
| kernel-zfcpdump-modules-extra · almalinux 10 | 6.12.0-211.69.1.el10_2 | ALSA-2026:91565 | Nov 7, 2026 |
| kernel6.18 · amzn 2023 | 1:6.18.35-68.127.amzn2023 | ALAS2023-2026-1881 | Jun 22, 2026 |
| kernel6.18-debuginfo · amzn 2023 | 1:6.18.35-68.127.amzn2023 | ALAS2023-2026-1881 | Jun 22, 2026 |
| kernel6.18-debuginfo-common-aarch64 · amzn 2023 | 1:6.18.35-68.127.amzn2023 | ALAS2023-2026-1881 | Jun 22, 2026 |
| kernel6.18-debuginfo-common-x86_64 · amzn 2023 | 1:6.18.35-68.127.amzn2023 | ALAS2023-2026-1881 | Jun 22, 2026 |
| kernel6.18-devel · amzn 2023 | 1:6.18.35-68.127.amzn2023 | ALAS2023-2026-1881 | Jun 22, 2026 |
| kernel6.18-headers · amzn 2023 | 1:6.18.35-68.127.amzn2023 | ALAS2023-2026-1881 | Jun 22, 2026 |
| kernel6.18-modules-extra · amzn 2023 | 1:6.18.35-68.127.amzn2023 | ALAS2023-2026-1881 | Jun 22, 2026 |
| kernel6.18-modules-extra-common · amzn 2023 | 1:6.18.35-68.127.amzn2023 | ALAS2023-2026-1881 | Jun 22, 2026 |
| kernel6.18-tools · amzn 2023 | 1:6.18.35-68.127.amzn2023 | ALAS2023-2026-1881 | Jun 22, 2026 |
| kernel6.18-tools-debuginfo · amzn 2023 | 1:6.18.35-68.127.amzn2023 | ALAS2023-2026-1881 | Jun 22, 2026 |
| kernel6.18-tools-devel · amzn 2023 | 1:6.18.35-68.127.amzn2023 | ALAS2023-2026-1881 | Jun 22, 2026 |
| libperf · almalinux 10 | 6.12.0-211.69.1.el10_2 | ALSA-2026:91565 | Nov 7, 2026 |
| libperf · ol 10 | 0:6.12.0-211.69.1.el10_2 | ELSA-2026-91565 | Nov 7, 2026 |
| linux · Debian 14 | 7.0.12-1 | DEBIAN-CVE-2026-64027 | Jul 20, 2026 |
| microvm-kernel6.18 · amzn 2023 | 1:6.18.35-68.127.amzn2023 | ALAS2023-2026-1881 | Jun 22, 2026 |
| perf · almalinux 10 | 6.12.0-211.69.1.el10_2 | ALSA-2026:91565 | Nov 7, 2026 |
| perf · ol 10 | 0:6.12.0-211.69.1.el10_2 | ELSA-2026-91565 | Nov 7, 2026 |
| perf6.18 · amzn 2023 | 1:6.18.35-68.127.amzn2023 | ALAS2023-2026-1881 | Jun 22, 2026 |
| perf6.18-debuginfo · amzn 2023 | 1:6.18.35-68.127.amzn2023 | ALAS2023-2026-1881 | Jun 22, 2026 |
| python3-perf · almalinux 10 | 6.12.0-211.69.1.el10_2 | ALSA-2026:91565 | Nov 7, 2026 |
| python3-perf · ol 10 | 0:6.12.0-211.69.1.el10_2 | ELSA-2026-91565 | Nov 7, 2026 |
| python3-perf6.18 · amzn 2023 | 1:6.18.35-68.127.amzn2023 | ALAS2023-2026-1881 | Jun 22, 2026 |
| python3-perf6.18-debuginfo · amzn 2023 | 1:6.18.35-68.127.amzn2023 | ALAS2023-2026-1881 | Jun 22, 2026 |
| rtla · almalinux 10 | 6.12.0-211.69.1.el10_2 | ALSA-2026:91565 | Nov 7, 2026 |
| rtla · ol 10 | 0:6.12.0-211.69.1.el10_2 | ELSA-2026-91565 | Nov 7, 2026 |
| rv · almalinux 10 | 6.12.0-211.69.1.el10_2 | ALSA-2026:91565 | Nov 7, 2026 |
| rv · ol 10 | 0:6.12.0-211.69.1.el10_2 | ELSA-2026-91565 | Nov 7, 2026 |
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