RLSA-2026:57254
RLSA-2026:57254 · 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: net: ieee802154: do not leave a dangling sk pointer in ieee802154_create() (CVE-2024-56602) * kernel: ip6_gre: Use cached t->net in ip6erspan_changelink() (CVE-2026-46120) * kernel: sched/psi: fix race between file release and pressure write (CVE-2026-52991) * kernel: mm/huge_memory: update file PMD counter before folio_put() (CVE-2026-53189) * kernel: scsi: target: iscsi: Fix CRC overread and double-free in iscsit_handle_text_cmd() (CVE-2026-63888) * kernel: scsi: target: iscsi: Bound iscsi_encode_text_output() appends to rsp_buf (CVE-2026-63887) * kernel: net/smc: reject CHID-0 ACCEPT that matches an empty ism_dev slot (CVE-2026-64048) * kernel: smb: client: mask server-provided mode to 07777 in modefromsid (CVE-2026-64379) * kernel: smb/client: handle overlapping allocated ranges in fallocate (CVE-2026-68388) Bug Fix(es) and Enhancement(s): * sfc: TX queue stalls and NIC resets caused by GFP_ATOMIC allocation failures after Rocky Linux 8.10 kernel update (JIRA:Rocky Linux-219767) 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.
CVSS 7.1 · High · Fix available
- Published
- Updated
Stack: system
Affected products and versions
kernel-rt Rocky Linux:8
- Affected ranges
- ECOSYSTEM: < 0:4.18.0-553.157.1.rt7.498.el8_10
Update to 0:4.18.0-553.157.1.rt7.498.el8_10
Original sources
- https://errata.rockylinux.org/RLSA-2026:57254
- https://bugzilla.redhat.com/show_bug.cgi?id=2334501
- https://bugzilla.redhat.com/show_bug.cgi?id=2482614
- https://bugzilla.redhat.com/show_bug.cgi?id=2492403
- https://bugzilla.redhat.com/show_bug.cgi?id=2492788
- https://bugzilla.redhat.com/show_bug.cgi?id=2502443
- https://bugzilla.redhat.com/show_bug.cgi?id=2502447
- https://bugzilla.redhat.com/show_bug.cgi?id=2502589
- https://bugzilla.redhat.com/show_bug.cgi?id=2507135
- https://bugzilla.redhat.com/show_bug.cgi?id=2513470
- https://access.redhat.com/errata/RHSA-2026:57254
- https://osv.dev/vulnerability/RLSA-2026:57254