ALSA-2026:85774
ALSA-2026:85774 · Important: kernel-rt security, bug fix, and enhancement update
This page contains facts from public vulnerability sources. Check the original advisory before updating.
The kernel-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high determinism requirements. Security Fix(es): * kernel: xfrm: espintcp: do not reuse an in-progress partial send (CVE-2026-52935) * kernel: USB: serial: io_ti: fix heap overflow in get_manuf_info() (CVE-2026-53196) * kernel: sctp: keep chunk->transport in step with the list it is queued on (CVE-2026-74588) * kernel: sctp: validate cookie AUTH state before use (CVE-2026-74752) * kernel: smb: client: reject a tree connect response whose byte count is too small (CVE-2026-89631) * kernel: sctp: stop processing a packet once its association is deleted (CVE-2026-89479) * kernel: perf: Fix addr_filter_ranges lifetime (CVE-2026-93817) * kernel: netfilter: nfnetlink_log: wait for rcu grace period before freeing pernet state (CVE-2026-93288) * kernel: kernel: strparser: use-after-free via msg_timer_work rearm after strp_done() cancellation () * kernel: netfilter: flowtable: hold reference on ct until flow is released (CVE-2026-98320) Bug Fix(es) and Enhancement(s): * gfs2 filesystem withdrawal rework [AlmaLinux-8] (JIRA:AlmaLinux-129363) * Batch: z-stream xfrm - almalinux-8.10.z (NST-Core-26W38) (JIRA:AlmaLinux-256684) 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
kernel-rt AlmaLinux:8
- Affected ranges
- ECOSYSTEM: < 4.18.0-553.176.1.rt7.517.el8_10
Update to 4.18.0-553.176.1.rt7.517.el8_10
kernel-rt-core AlmaLinux:8
- Affected ranges
- ECOSYSTEM: < 4.18.0-553.176.1.rt7.517.el8_10
Update to 4.18.0-553.176.1.rt7.517.el8_10
kernel-rt-debug AlmaLinux:8
- Affected ranges
- ECOSYSTEM: < 4.18.0-553.176.1.rt7.517.el8_10
Update to 4.18.0-553.176.1.rt7.517.el8_10
kernel-rt-debug-core AlmaLinux:8
- Affected ranges
- ECOSYSTEM: < 4.18.0-553.176.1.rt7.517.el8_10
Update to 4.18.0-553.176.1.rt7.517.el8_10
kernel-rt-debug-devel AlmaLinux:8
- Affected ranges
- ECOSYSTEM: < 4.18.0-553.176.1.rt7.517.el8_10
Update to 4.18.0-553.176.1.rt7.517.el8_10
kernel-rt-debug-modules AlmaLinux:8
- Affected ranges
- ECOSYSTEM: < 4.18.0-553.176.1.rt7.517.el8_10
Update to 4.18.0-553.176.1.rt7.517.el8_10
kernel-rt-debug-modules-extra AlmaLinux:8
- Affected ranges
- ECOSYSTEM: < 4.18.0-553.176.1.rt7.517.el8_10
Update to 4.18.0-553.176.1.rt7.517.el8_10
kernel-rt-devel AlmaLinux:8
- Affected ranges
- ECOSYSTEM: < 4.18.0-553.176.1.rt7.517.el8_10
Update to 4.18.0-553.176.1.rt7.517.el8_10
kernel-rt-modules AlmaLinux:8
- Affected ranges
- ECOSYSTEM: < 4.18.0-553.176.1.rt7.517.el8_10
Update to 4.18.0-553.176.1.rt7.517.el8_10
kernel-rt-modules-extra AlmaLinux:8
- Affected ranges
- ECOSYSTEM: < 4.18.0-553.176.1.rt7.517.el8_10
Update to 4.18.0-553.176.1.rt7.517.el8_10
Original sources
- https://access.redhat.com/errata/RHSA-2026:85774
- https://access.redhat.com/security/cve/CVE-2026-52935
- https://access.redhat.com/security/cve/CVE-2026-53196
- https://access.redhat.com/security/cve/CVE-2026-74588
- https://access.redhat.com/security/cve/CVE-2026-74752
- https://access.redhat.com/security/cve/CVE-2026-89479
- https://access.redhat.com/security/cve/CVE-2026-89631
- https://access.redhat.com/security/cve/CVE-2026-93288
- https://access.redhat.com/security/cve/CVE-2026-93817
- https://access.redhat.com/security/cve/CVE-2026-98320
- https://bugzilla.redhat.com/2492098
- https://bugzilla.redhat.com/2492750
- https://bugzilla.redhat.com/2521384
- https://bugzilla.redhat.com/2524422
- https://bugzilla.redhat.com/2532089
- https://bugzilla.redhat.com/2532290
- https://bugzilla.redhat.com/2540391
- https://bugzilla.redhat.com/2540500
- https://bugzilla.redhat.com/2540872
- https://bugzilla.redhat.com/2546494
- https://errata.almalinux.org/8/ALSA-2026-85774.html
- https://osv.dev/vulnerability/ALSA-2026:85774