ALSA-2026:59821
ALSA-2026:59821 · Important: kernel security, bug fix, and enhancement update
This page contains facts from public vulnerability sources. Check the original advisory before updating.
The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fix(es): * kernel: sctp: purge outqueue on stale COOKIE-ECHO handling (CVE-2026-52924) * kernel: scsi: target: iscsi: Validate CHAP_R length before base64 decode (CVE-2026-63886) * kernel: netfilter: conntrack: tcp: do not force CLOSE on invalid-seq RST without direction check (CVE-2026-63913) * kernel: i2c: stub: Reject I2C block transfers with invalid length (CVE-2026-64191) * kernel: netfilter: ipset: fix race between dump and ip_set_list resize (CVE-2026-64189) * kernel: nvmet: fix pre-auth out-of-bounds heap read in Discovery Get Log Page (CVE-2026-64320) * kernel: Input: synaptics-rmi4 - bound the F3A keymap to the GPIO count (CVE-2026-64277) * kernel: Input: synaptics-rmi4 - bound the F30 keymap to the GPIO/LED count (CVE-2026-64276) Bug Fix(es) and Enhancement(s): * ss core dumped when there is an SCTP session [almalinux-8.10.z] (JIRA:AlmaLinux-212400) * SELinux TCP/MPTCP connect check bypass via TCP Fast Open [almalinux-8.10.z] (JIRA:AlmaLinux-222800) * [AlmaLinux-RT] usb_hub_wq items may run on isolated+nohz_full cores (JIRA:AlmaLinux-178088) 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.
Fix available
- Published
- Updated
Stack: system
Affected products and versions
bpftool AlmaLinux:8
- Affected ranges
- ECOSYSTEM: < 4.18.0-553.158.1.el8_10
Update to 4.18.0-553.158.1.el8_10
kernel AlmaLinux:8
- Affected ranges
- ECOSYSTEM: < 4.18.0-553.158.1.el8_10
Update to 4.18.0-553.158.1.el8_10
kernel-abi-stablelists AlmaLinux:8
- Affected ranges
- ECOSYSTEM: < 4.18.0-553.158.1.el8_10
Update to 4.18.0-553.158.1.el8_10
kernel-core AlmaLinux:8
- Affected ranges
- ECOSYSTEM: < 4.18.0-553.158.1.el8_10
Update to 4.18.0-553.158.1.el8_10
kernel-cross-headers AlmaLinux:8
- Affected ranges
- ECOSYSTEM: < 4.18.0-553.158.1.el8_10
Update to 4.18.0-553.158.1.el8_10
kernel-debug AlmaLinux:8
- Affected ranges
- ECOSYSTEM: < 4.18.0-553.158.1.el8_10
Update to 4.18.0-553.158.1.el8_10
kernel-debug-core AlmaLinux:8
- Affected ranges
- ECOSYSTEM: < 4.18.0-553.158.1.el8_10
Update to 4.18.0-553.158.1.el8_10
kernel-debug-devel AlmaLinux:8
- Affected ranges
- ECOSYSTEM: < 4.18.0-553.158.1.el8_10
Update to 4.18.0-553.158.1.el8_10
kernel-debug-modules AlmaLinux:8
- Affected ranges
- ECOSYSTEM: < 4.18.0-553.158.1.el8_10
Update to 4.18.0-553.158.1.el8_10
kernel-debug-modules-extra AlmaLinux:8
- Affected ranges
- ECOSYSTEM: < 4.18.0-553.158.1.el8_10
Update to 4.18.0-553.158.1.el8_10
kernel-devel AlmaLinux:8
- Affected ranges
- ECOSYSTEM: < 4.18.0-553.158.1.el8_10
Update to 4.18.0-553.158.1.el8_10
kernel-doc AlmaLinux:8
- Affected ranges
- ECOSYSTEM: < 4.18.0-553.158.1.el8_10
Update to 4.18.0-553.158.1.el8_10
kernel-headers AlmaLinux:8
- Affected ranges
- ECOSYSTEM: < 4.18.0-553.158.1.el8_10
Update to 4.18.0-553.158.1.el8_10
kernel-modules AlmaLinux:8
- Affected ranges
- ECOSYSTEM: < 4.18.0-553.158.1.el8_10
Update to 4.18.0-553.158.1.el8_10
kernel-modules-extra AlmaLinux:8
- Affected ranges
- ECOSYSTEM: < 4.18.0-553.158.1.el8_10
Update to 4.18.0-553.158.1.el8_10
kernel-tools AlmaLinux:8
- Affected ranges
- ECOSYSTEM: < 4.18.0-553.158.1.el8_10
Update to 4.18.0-553.158.1.el8_10
kernel-tools-libs AlmaLinux:8
- Affected ranges
- ECOSYSTEM: < 4.18.0-553.158.1.el8_10
Update to 4.18.0-553.158.1.el8_10
kernel-tools-libs-devel AlmaLinux:8
- Affected ranges
- ECOSYSTEM: < 4.18.0-553.158.1.el8_10
Update to 4.18.0-553.158.1.el8_10
kernel-zfcpdump AlmaLinux:8
- Affected ranges
- ECOSYSTEM: < 4.18.0-553.158.1.el8_10
Update to 4.18.0-553.158.1.el8_10
kernel-zfcpdump-core AlmaLinux:8
- Affected ranges
- ECOSYSTEM: < 4.18.0-553.158.1.el8_10
Update to 4.18.0-553.158.1.el8_10
kernel-zfcpdump-devel AlmaLinux:8
- Affected ranges
- ECOSYSTEM: < 4.18.0-553.158.1.el8_10
Update to 4.18.0-553.158.1.el8_10
kernel-zfcpdump-modules AlmaLinux:8
- Affected ranges
- ECOSYSTEM: < 4.18.0-553.158.1.el8_10
Update to 4.18.0-553.158.1.el8_10
kernel-zfcpdump-modules-extra AlmaLinux:8
- Affected ranges
- ECOSYSTEM: < 4.18.0-553.158.1.el8_10
Update to 4.18.0-553.158.1.el8_10
perf AlmaLinux:8
- Affected ranges
- ECOSYSTEM: < 4.18.0-553.158.1.el8_10
Update to 4.18.0-553.158.1.el8_10
python3-perf AlmaLinux:8
- Affected ranges
- ECOSYSTEM: < 4.18.0-553.158.1.el8_10
Update to 4.18.0-553.158.1.el8_10
Original sources
- https://access.redhat.com/errata/RHSA-2026:59821
- https://access.redhat.com/security/cve/CVE-2026-52924
- https://access.redhat.com/security/cve/CVE-2026-63886
- https://access.redhat.com/security/cve/CVE-2026-63913
- https://access.redhat.com/security/cve/CVE-2026-64189
- https://access.redhat.com/security/cve/CVE-2026-64191
- https://access.redhat.com/security/cve/CVE-2026-64276
- https://access.redhat.com/security/cve/CVE-2026-64277
- https://access.redhat.com/security/cve/CVE-2026-64320
- https://bugzilla.redhat.com/2492095
- https://bugzilla.redhat.com/2502329
- https://bugzilla.redhat.com/2502438
- https://bugzilla.redhat.com/2502872
- https://bugzilla.redhat.com/2502889
- https://bugzilla.redhat.com/2507061
- https://bugzilla.redhat.com/2507290
- https://bugzilla.redhat.com/2507301
- https://errata.almalinux.org/8/ALSA-2026-59821.html
- https://osv.dev/vulnerability/ALSA-2026:59821